Build failed in Jenkins: beam_PostCommit_Python_Verify #8534

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[CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (2/2) (94a9d21eb792890d9718a6e4bf00743c) [FINISHED]
[CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (1/2) (b419b2aa486b63510b3556acb72a60f2) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) 94a9d21eb792890d9718a6e4bf00743c.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) b419b2aa486b63510b3556acb72a60f2.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (2/2) (94a9d21eb792890d9718a6e4bf00743c) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (1/2) (b419b2aa486b63510b3556acb72a60f2) switched from RUNNING to FINISHED.
[jobmanager-future-thread-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (ed0d3331b37f8654617c08a190e91dde) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (ed0d3331b37f8654617c08a190e91dde) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2).
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (ed0d3331b37f8654617c08a190e91dde) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (ed0d3331b37f8654617c08a190e91dde) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (ed0d3331b37f8654617c08a190e91dde) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (ed0d3331b37f8654617c08a190e91dde) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (ed0d3331b37f8654617c08a190e91dde) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (ed0d3331b37f8654617c08a190e91dde) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) exceeded the 80 characters length limit and was truncated.
[jobmanager-future-thread-10] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (19a42361c6b07ae5d25bc65159e4cda0) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (19a42361c6b07ae5d25bc65159e4cda0) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2).
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (19a42361c6b07ae5d25bc65159e4cda0) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (19a42361c6b07ae5d25bc65159e4cda0) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (19a42361c6b07ae5d25bc65159e4cda0) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (19a42361c6b07ae5d25bc65159e4cda0) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (19a42361c6b07ae5d25bc65159e4cda0) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (19a42361c6b07ae5d25bc65159e4cda0) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) exceeded the 80 characters length limit and was truncated.
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (dc4ca2f994d564eb9a151749e33a7000) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (dc4ca2f994d564eb9a151749e33a7000).
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (63c8857dfac8c24008f6c2a49b0d0833) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (dc4ca2f994d564eb9a151749e33a7000) [FINISHED]
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (63c8857dfac8c24008f6c2a49b0d0833).
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (63c8857dfac8c24008f6c2a49b0d0833) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) dc4ca2f994d564eb9a151749e33a7000.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) 63c8857dfac8c24008f6c2a49b0d0833.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (dc4ca2f994d564eb9a151749e33a7000) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (63c8857dfac8c24008f6c2a49b0d0833) switched from RUNNING to FINISHED.
[jobmanager-future-thread-9] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (0418ff9d09dae8a1ebaa1ea5f2c7ce2a) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (0418ff9d09dae8a1ebaa1ea5f2c7ce2a) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (0418ff9d09dae8a1ebaa1ea5f2c7ce2a) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (0418ff9d09dae8a1ebaa1ea5f2c7ce2a) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (0418ff9d09dae8a1ebaa1ea5f2c7ce2a) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (0418ff9d09dae8a1ebaa1ea5f2c7ce2a) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (0418ff9d09dae8a1ebaa1ea5f2c7ce2a) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (ed0d3331b37f8654617c08a190e91dde) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (ed0d3331b37f8654617c08a190e91dde).
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (0418ff9d09dae8a1ebaa1ea5f2c7ce2a) switched from DEPLOYING to RUNNING.
[jobmanager-future-thread-14] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (3d4c2835457401af6eddd2f7b5d51ec0) switched from CREATED to SCHEDULED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) exceeded the 80 characters length limit and was truncated.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (ed0d3331b37f8654617c08a190e91dde) [FINISHED]
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) ed0d3331b37f8654617c08a190e91dde.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (3d4c2835457401af6eddd2f7b5d51ec0) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (ed0d3331b37f8654617c08a190e91dde) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (3d4c2835457401af6eddd2f7b5d51ec0) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (3d4c2835457401af6eddd2f7b5d51ec0) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (3d4c2835457401af6eddd2f7b5d51ec0) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (3d4c2835457401af6eddd2f7b5d51ec0) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (3d4c2835457401af6eddd2f7b5d51ec0) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (3d4c2835457401af6eddd2f7b5d51ec0) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) exceeded the 80 characters length limit and was truncated.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (19a42361c6b07ae5d25bc65159e4cda0) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (19a42361c6b07ae5d25bc65159e4cda0).
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (19a42361c6b07ae5d25bc65159e4cda0) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) 19a42361c6b07ae5d25bc65159e4cda0.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (19a42361c6b07ae5d25bc65159e4cda0) switched from RUNNING to FINISHED.
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:0:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:0:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_14:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_14:0 
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (3d4c2835457401af6eddd2f7b5d51ec0) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (3d4c2835457401af6eddd2f7b5d51ec0).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (3d4c2835457401af6eddd2f7b5d51ec0) [FINISHED]
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 3d4c2835457401af6eddd2f7b5d51ec0.
[jobmanager-future-thread-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (ae9be8a1c26a44708cb029df8b44a47a) switched from CREATED to SCHEDULED.
[jobmanager-future-thread-9] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (e0f5b41d8b16bac6035fd74268514978) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (ae9be8a1c26a44708cb029df8b44a47a) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (e0f5b41d8b16bac6035fd74268514978) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (3d4c2835457401af6eddd2f7b5d51ec0) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2).
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (ae9be8a1c26a44708cb029df8b44a47a) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (ae9be8a1c26a44708cb029df8b44a47a) [DEPLOYING]
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (ae9be8a1c26a44708cb029df8b44a47a) [DEPLOYING].
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (ae9be8a1c26a44708cb029df8b44a47a) [DEPLOYING].
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2).
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (ae9be8a1c26a44708cb029df8b44a47a) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (e0f5b41d8b16bac6035fd74268514978) switched from CREATED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (ae9be8a1c26a44708cb029df8b44a47a) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (e0f5b41d8b16bac6035fd74268514978) [DEPLOYING]
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (e0f5b41d8b16bac6035fd74268514978) [DEPLOYING].
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (e0f5b41d8b16bac6035fd74268514978) [DEPLOYING].
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (e0f5b41d8b16bac6035fd74268514978) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (e0f5b41d8b16bac6035fd74268514978) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (0418ff9d09dae8a1ebaa1ea5f2c7ce2a) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (0418ff9d09dae8a1ebaa1ea5f2c7ce2a).
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (962e858a52b578cbe46f9abfe174cb4f) switched from RUNNING to FINISHED.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (962e858a52b578cbe46f9abfe174cb4f).
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (07bc836b092c707a7bcbefb2bafa3aba) switched from RUNNING to FINISHED.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (07bc836b092c707a7bcbefb2bafa3aba).
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (07bc836b092c707a7bcbefb2bafa3aba) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) 07bc836b092c707a7bcbefb2bafa3aba.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (07bc836b092c707a7bcbefb2bafa3aba) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (0418ff9d09dae8a1ebaa1ea5f2c7ce2a) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 0418ff9d09dae8a1ebaa1ea5f2c7ce2a.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (0418ff9d09dae8a1ebaa1ea5f2c7ce2a) switched from RUNNING to FINISHED.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (962e858a52b578cbe46f9abfe174cb4f) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) 962e858a52b578cbe46f9abfe174cb4f.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (962e858a52b578cbe46f9abfe174cb4f) switched from RUNNING to FINISHED.
[jobmanager-future-thread-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (615615c4f11f0e3cc5e63f8429c638c7) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (615615c4f11f0e3cc5e63f8429c638c7) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (615615c4f11f0e3cc5e63f8429c638c7) switched from CREATED to DEPLOYING.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (615615c4f11f0e3cc5e63f8429c638c7) [DEPLOYING]
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (615615c4f11f0e3cc5e63f8429c638c7) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (615615c4f11f0e3cc5e63f8429c638c7) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (615615c4f11f0e3cc5e63f8429c638c7) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (615615c4f11f0e3cc5e63f8429c638c7) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (e0f5b41d8b16bac6035fd74268514978) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (e0f5b41d8b16bac6035fd74268514978).
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_27:0 
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (e0f5b41d8b16bac6035fd74268514978) [FINISHED]
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (ae9be8a1c26a44708cb029df8b44a47a) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (ae9be8a1c26a44708cb029df8b44a47a).
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) e0f5b41d8b16bac6035fd74268514978.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (ae9be8a1c26a44708cb029df8b44a47a) [FINISHED]
[jobmanager-future-thread-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (0a4505add579561e9090a6fc2e3e0b9a) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) ae9be8a1c26a44708cb029df8b44a47a.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (e0f5b41d8b16bac6035fd74268514978) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (0a4505add579561e9090a6fc2e3e0b9a) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (ae9be8a1c26a44708cb029df8b44a47a) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (0a4505add579561e9090a6fc2e3e0b9a) switched from CREATED to DEPLOYING.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (0a4505add579561e9090a6fc2e3e0b9a) [DEPLOYING]
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (0a4505add579561e9090a6fc2e3e0b9a) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (0a4505add579561e9090a6fc2e3e0b9a) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (0a4505add579561e9090a6fc2e3e0b9a) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (0a4505add579561e9090a6fc2e3e0b9a) switched from DEPLOYING to RUNNING.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (615615c4f11f0e3cc5e63f8429c638c7) switched from RUNNING to FINISHED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (615615c4f11f0e3cc5e63f8429c638c7).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (615615c4f11f0e3cc5e63f8429c638c7) [FINISHED]
[jobmanager-future-thread-10] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (770f4c199be212d8b91a5238750099f9) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) 615615c4f11f0e3cc5e63f8429c638c7.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (770f4c199be212d8b91a5238750099f9) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying DataSink (DiscardingOutput) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (615615c4f11f0e3cc5e63f8429c638c7) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task DataSink (DiscardingOutput) (2/2).
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) (770f4c199be212d8b91a5238750099f9) switched from CREATED to DEPLOYING.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task DataSink (DiscardingOutput) (2/2) (770f4c199be212d8b91a5238750099f9) [DEPLOYING]
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task DataSink (DiscardingOutput) (2/2) (770f4c199be212d8b91a5238750099f9) [DEPLOYING].
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: DataSink (DiscardingOutput) (2/2) (770f4c199be212d8b91a5238750099f9) [DEPLOYING].
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) (770f4c199be212d8b91a5238750099f9) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (770f4c199be212d8b91a5238750099f9) switched from DEPLOYING to RUNNING.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) (770f4c199be212d8b91a5238750099f9) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for DataSink (DiscardingOutput) (2/2) (770f4c199be212d8b91a5238750099f9).
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task DataSink (DiscardingOutput) (2/2) (770f4c199be212d8b91a5238750099f9) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task DataSink (DiscardingOutput) 770f4c199be212d8b91a5238750099f9.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (770f4c199be212d8b91a5238750099f9) switched from RUNNING to FINISHED.
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_27:0 
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (0a4505add579561e9090a6fc2e3e0b9a) switched from RUNNING to FINISHED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (0a4505add579561e9090a6fc2e3e0b9a).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (0a4505add579561e9090a6fc2e3e0b9a) [FINISHED]
[jobmanager-future-thread-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (284bc2302ef9dc322c261706c54320e8) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) 0a4505add579561e9090a6fc2e3e0b9a.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (284bc2302ef9dc322c261706c54320e8) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying DataSink (DiscardingOutput) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task DataSink (DiscardingOutput) (1/2).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (0a4505add579561e9090a6fc2e3e0b9a) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) (284bc2302ef9dc322c261706c54320e8) switched from CREATED to DEPLOYING.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task DataSink (DiscardingOutput) (1/2) (284bc2302ef9dc322c261706c54320e8) [DEPLOYING]
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task DataSink (DiscardingOutput) (1/2) (284bc2302ef9dc322c261706c54320e8) [DEPLOYING].
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: DataSink (DiscardingOutput) (1/2) (284bc2302ef9dc322c261706c54320e8) [DEPLOYING].
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) (284bc2302ef9dc322c261706c54320e8) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (284bc2302ef9dc322c261706c54320e8) switched from DEPLOYING to RUNNING.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) (284bc2302ef9dc322c261706c54320e8) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for DataSink (DiscardingOutput) (1/2) (284bc2302ef9dc322c261706c54320e8).
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task DataSink (DiscardingOutput) (1/2) (284bc2302ef9dc322c261706c54320e8) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task DataSink (DiscardingOutput) 284bc2302ef9dc322c261706c54320e8.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (284bc2302ef9dc322c261706c54320e8) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job BeamApp-root-0618131439-41f11698 (e1582382ef7bf239370f39c6312f2c03) switched from state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job e1582382ef7bf239370f39c6312f2c03 reached globally terminal state FINISHED.
[flink-runner-job-invoker] INFO org.apache.flink.runtime.minicluster.MiniCluster - Shutting down Flink Mini Cluster
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job BeamApp-root-0618131439-41f11698(e1582382ef7bf239370f39c6312f2c03).
[flink-runner-job-invoker] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shutting down rest endpoint.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor akka://flink/user/taskmanager_0.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection 93a9ca7512dc6cfedd17bfbdc4cbab65: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher akka://flink/user/dispatcherb5d5835a-b57d-4067-a20e-dd57f2be71e5.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all currently running jobs of dispatcher akka://flink/user/dispatcherb5d5835a-b57d-4067-a20e-dd57f2be71e5.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect job manager 97d6d4729483bebca82a9db737814fad@akka://flink/user/jobmanager_1 for job e1582382ef7bf239370f39c6312f2c03 from the resource manager.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed spill file directory /tmp/flink-io-ae200e6f-7fd4-4854-bad1-f9788d9f4bb0
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the network environment and its components.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - JobManager for job e1582382ef7bf239370f39c6312f2c03 with leader id 97d6d4729483bebca82a9db737814fad lost leadership.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.rest.handler.legacy.backpressure.StackTraceSampleCoordinator - Shutting down stack trace sample coordinator.
[flink-akka.actor.default-dispatcher-10] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher akka://flink/user/dispatcherb5d5835a-b57d-4067-a20e-dd57f2be71e5.
[ForkJoinPool.commonPool-worker-11] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache directory /tmp/flink-web-ui
[flink-runner-job-invoker] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shut down complete.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing the SlotManager.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending the SlotManager.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader service.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor akka://flink/user/taskmanager_0.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:40747
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopped Akka RPC service.
[flink-runner-job-invoker] INFO org.apache.beam.runners.flink.FlinkRunner - Execution finished in 18337 msecs
[flink-runner-job-invoker] INFO org.apache.beam.runners.flink.FlinkRunner - Final accumulator values:
[flink-runner-job-invoker] INFO org.apache.beam.runners.flink.FlinkRunner - __metricscontainers : MetricQueryResults(Counters(ref_PCollection_PCollection_14:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Group/Flatten_34}: 0, ref_PCollection_PCollection_27:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=fn/read/ref_PCollection_PCollection_27:0}: 0, ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:finish_bundle_msecs:v1 {PTRANSFORM=ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Precombine}: 0, ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:finish_bundle_msecs:v1 {PTRANSFORM=fn/read/ref_PCollection_PCollection_9:0}: 0, ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=fn/read/ref_PCollection_PCollection_9:0}: 0, ref_PCollection_PCollection_27:beam:metric:pardo_execution_time:finish_bundle_msecs:v1 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ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:finish_bundle_msecs:v1 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=fn/read/ref_PCollection_PCollection_17:0}: 0, ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_Create/Map(decode)_16}: 0, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=fn/write/ref_PCollection_PCollection_24:1:0}: 0)Distributions(ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 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{PCOLLECTION=ref_PCollection_PCollection_18}: DistributionResult{sum=16, count=1, min=16, max=16}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_24:0}: DistributionResult{sum=72, count=3, min=24, max=24}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_19}: DistributionResult{sum=15, count=1, min=15, max=15}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_9}: DistributionResult{sum=192, count=12, min=16, max=16}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_22}: DistributionResult{sum=17, count=1, min=17, max=17}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_10}: DistributionResult{sum=168, count=12, min=14, max=14}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_12}: DistributionResult{sum=168, count=12, min=14, max=14}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_11}: DistributionResult{sum=168, count=12, min=14, max=14}, ref_PCollection_PCollection_1:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_1}: DistributionResult{sum=13, count=1, min=13, max=13}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_27}: DistributionResult{sum=58, count=1, min=58, max=58}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_28}: DistributionResult{sum=41, count=1, min=41, max=41}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_23}: DistributionResult{sum=63, count=3, min=21, max=21}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_29}: DistributionResult{sum=33, count=1, min=33, max=33}, ref_PCollection_PCollection_1:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_2}: DistributionResult{sum=180, count=12, min=15, max=15}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_21}: DistributionResult{sum=57, count=3, min=19, max=19}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_20}: DistributionResult{sum=54, count=3, min=18, max=18}))
[flink-runner-job-invoker] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/beam-artifact-staging/job_73deba40-1f5c-4944-b844-cffcd2a623db/MANIFEST has 0 artifact locations
[flink-runner-job-invoker] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactStagingService - Removed dir /tmp/beam-artifact-staging/job_73deba40-1f5c-4944-b844-cffcd2a623db/

> Task :sdks:python:crossLanguageTests

FAILURE: Build failed with an exception.

* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_Verify/ws/src/sdks/python/build.gradle'> line: 114

* What went wrong:
Execution failed for task ':sdks:python:directRunnerIT'.
> Process 'command 'sh'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/5.2.1/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 1h 14m 42s
104 actionable tasks: 81 executed, 20 from cache, 3 up-to-date

Publishing build scan...
https://gradle.com/s/3wumdj4vjw2c4

Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure

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Build failed in Jenkins: beam_PostCommit_Python_Verify #8537

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[CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (2/2) (bf977ca8605ab430ee60fcfdec00d7e3).
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) b751e8a15378a09a8366e2f118472727.
[CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (2/2) (bf977ca8605ab430ee60fcfdec00d7e3) [FINISHED]
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) bf977ca8605ab430ee60fcfdec00d7e3.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (1/2) (b751e8a15378a09a8366e2f118472727) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (2/2) (bf977ca8605ab430ee60fcfdec00d7e3) switched from RUNNING to FINISHED.
[jobmanager-future-thread-11] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (4365d17ba70049cd9c81262777fa44a1) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (4365d17ba70049cd9c81262777fa44a1) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2).
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (4365d17ba70049cd9c81262777fa44a1) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (4365d17ba70049cd9c81262777fa44a1) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (4365d17ba70049cd9c81262777fa44a1) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (4365d17ba70049cd9c81262777fa44a1) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (4365d17ba70049cd9c81262777fa44a1) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (4365d17ba70049cd9c81262777fa44a1) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) exceeded the 80 characters length limit and was truncated.
[jobmanager-future-thread-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (9270f00191634ead67c2538909cab2ed) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (9270f00191634ead67c2538909cab2ed) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2).
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (9270f00191634ead67c2538909cab2ed) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (9270f00191634ead67c2538909cab2ed) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (9270f00191634ead67c2538909cab2ed) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (9270f00191634ead67c2538909cab2ed) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (9270f00191634ead67c2538909cab2ed) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (9270f00191634ead67c2538909cab2ed) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) exceeded the 80 characters length limit and was truncated.
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (5c3ccfc13b69a0ea353edad90aedec12) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (5c3ccfc13b69a0ea353edad90aedec12).
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (5c3ccfc13b69a0ea353edad90aedec12) [FINISHED]
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (e53255844d1afcf144507ad8818064a6) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (e53255844d1afcf144507ad8818064a6).
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (e53255844d1afcf144507ad8818064a6) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) 5c3ccfc13b69a0ea353edad90aedec12.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) e53255844d1afcf144507ad8818064a6.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (5c3ccfc13b69a0ea353edad90aedec12) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (e53255844d1afcf144507ad8818064a6) switched from RUNNING to FINISHED.
[jobmanager-future-thread-1] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (65f57cd4e87eda92d1eeb2aee2ad0a71) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (65f57cd4e87eda92d1eeb2aee2ad0a71) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (65f57cd4e87eda92d1eeb2aee2ad0a71) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (65f57cd4e87eda92d1eeb2aee2ad0a71) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (65f57cd4e87eda92d1eeb2aee2ad0a71) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (65f57cd4e87eda92d1eeb2aee2ad0a71) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (65f57cd4e87eda92d1eeb2aee2ad0a71) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (65f57cd4e87eda92d1eeb2aee2ad0a71) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) exceeded the 80 characters length limit and was truncated.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (4365d17ba70049cd9c81262777fa44a1) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (4365d17ba70049cd9c81262777fa44a1).
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (4365d17ba70049cd9c81262777fa44a1) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) 4365d17ba70049cd9c81262777fa44a1.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (4365d17ba70049cd9c81262777fa44a1) switched from RUNNING to FINISHED.
[jobmanager-future-thread-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (b49c647868a887653edcc126ef9f23bc) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (b49c647868a887653edcc126ef9f23bc) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (b49c647868a887653edcc126ef9f23bc) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (b49c647868a887653edcc126ef9f23bc) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (b49c647868a887653edcc126ef9f23bc) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (b49c647868a887653edcc126ef9f23bc) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (b49c647868a887653edcc126ef9f23bc) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (b49c647868a887653edcc126ef9f23bc) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) exceeded the 80 characters length limit and was truncated.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (9270f00191634ead67c2538909cab2ed) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (9270f00191634ead67c2538909cab2ed).
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (9270f00191634ead67c2538909cab2ed) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) 9270f00191634ead67c2538909cab2ed.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (9270f00191634ead67c2538909cab2ed) switched from RUNNING to FINISHED.
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:1:0 
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:1:0 
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_14:0 
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (b49c647868a887653edcc126ef9f23bc) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (b49c647868a887653edcc126ef9f23bc).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (b49c647868a887653edcc126ef9f23bc) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) b49c647868a887653edcc126ef9f23bc.
[jobmanager-future-thread-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (3a70bc0adf5c5739114e91c7b6a188ab) switched from CREATED to SCHEDULED.
[jobmanager-future-thread-16] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (14b60136f4b2b52502da3e0913798df5) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (3a70bc0adf5c5739114e91c7b6a188ab) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (14b60136f4b2b52502da3e0913798df5) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (b49c647868a887653edcc126ef9f23bc) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2).
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (3a70bc0adf5c5739114e91c7b6a188ab) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (3a70bc0adf5c5739114e91c7b6a188ab) [DEPLOYING]
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (3a70bc0adf5c5739114e91c7b6a188ab) [DEPLOYING].
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (3a70bc0adf5c5739114e91c7b6a188ab) [DEPLOYING].
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2).
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (3a70bc0adf5c5739114e91c7b6a188ab) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (14b60136f4b2b52502da3e0913798df5) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (14b60136f4b2b52502da3e0913798df5) [DEPLOYING]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (3a70bc0adf5c5739114e91c7b6a188ab) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (14b60136f4b2b52502da3e0913798df5) [DEPLOYING].
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (14b60136f4b2b52502da3e0913798df5) [DEPLOYING].
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (14b60136f4b2b52502da3e0913798df5) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (14b60136f4b2b52502da3e0913798df5) switched from DEPLOYING to RUNNING.
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_14:0 
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (805272ff235dfd73180e9c022cf77f3a) switched from RUNNING to FINISHED.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (805272ff235dfd73180e9c022cf77f3a).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (65f57cd4e87eda92d1eeb2aee2ad0a71) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (65f57cd4e87eda92d1eeb2aee2ad0a71).
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (18312a94831cd3e5c79e96b9a665749b) switched from RUNNING to FINISHED.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (18312a94831cd3e5c79e96b9a665749b).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (65f57cd4e87eda92d1eeb2aee2ad0a71) [FINISHED]
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (805272ff235dfd73180e9c022cf77f3a) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 65f57cd4e87eda92d1eeb2aee2ad0a71.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (18312a94831cd3e5c79e96b9a665749b) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) 805272ff235dfd73180e9c022cf77f3a.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) 18312a94831cd3e5c79e96b9a665749b.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (65f57cd4e87eda92d1eeb2aee2ad0a71) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (805272ff235dfd73180e9c022cf77f3a) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (18312a94831cd3e5c79e96b9a665749b) switched from RUNNING to FINISHED.
[jobmanager-future-thread-9] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (3210c9eb4a9a8faa3b3a662461e31e95) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (3210c9eb4a9a8faa3b3a662461e31e95) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (3210c9eb4a9a8faa3b3a662461e31e95) switched from CREATED to DEPLOYING.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (3210c9eb4a9a8faa3b3a662461e31e95) [DEPLOYING]
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (3210c9eb4a9a8faa3b3a662461e31e95) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (3210c9eb4a9a8faa3b3a662461e31e95) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (3210c9eb4a9a8faa3b3a662461e31e95) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (3210c9eb4a9a8faa3b3a662461e31e95) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (14b60136f4b2b52502da3e0913798df5) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (14b60136f4b2b52502da3e0913798df5).
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_27:0 
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (14b60136f4b2b52502da3e0913798df5) [FINISHED]
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (3a70bc0adf5c5739114e91c7b6a188ab) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (3a70bc0adf5c5739114e91c7b6a188ab).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) 14b60136f4b2b52502da3e0913798df5.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (3a70bc0adf5c5739114e91c7b6a188ab) [FINISHED]
[jobmanager-future-thread-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (16ccdd0272ecf0e1c9dacd903a101228) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) 3a70bc0adf5c5739114e91c7b6a188ab.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (14b60136f4b2b52502da3e0913798df5) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (16ccdd0272ecf0e1c9dacd903a101228) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (3a70bc0adf5c5739114e91c7b6a188ab) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (16ccdd0272ecf0e1c9dacd903a101228) switched from CREATED to DEPLOYING.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (16ccdd0272ecf0e1c9dacd903a101228) [DEPLOYING]
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (16ccdd0272ecf0e1c9dacd903a101228) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (16ccdd0272ecf0e1c9dacd903a101228) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (16ccdd0272ecf0e1c9dacd903a101228) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (16ccdd0272ecf0e1c9dacd903a101228) switched from DEPLOYING to RUNNING.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (3210c9eb4a9a8faa3b3a662461e31e95) switched from RUNNING to FINISHED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (3210c9eb4a9a8faa3b3a662461e31e95).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (3210c9eb4a9a8faa3b3a662461e31e95) [FINISHED]
[jobmanager-future-thread-13] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (0ee8b881dab2554309b363bf54ba88b3) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) 3210c9eb4a9a8faa3b3a662461e31e95.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (0ee8b881dab2554309b363bf54ba88b3) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying DataSink (DiscardingOutput) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task DataSink (DiscardingOutput) (2/2).
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (3210c9eb4a9a8faa3b3a662461e31e95) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) (0ee8b881dab2554309b363bf54ba88b3) switched from CREATED to DEPLOYING.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task DataSink (DiscardingOutput) (2/2) (0ee8b881dab2554309b363bf54ba88b3) [DEPLOYING]
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task DataSink (DiscardingOutput) (2/2) (0ee8b881dab2554309b363bf54ba88b3) [DEPLOYING].
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: DataSink (DiscardingOutput) (2/2) (0ee8b881dab2554309b363bf54ba88b3) [DEPLOYING].
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) (0ee8b881dab2554309b363bf54ba88b3) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (0ee8b881dab2554309b363bf54ba88b3) switched from DEPLOYING to RUNNING.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) (0ee8b881dab2554309b363bf54ba88b3) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for DataSink (DiscardingOutput) (2/2) (0ee8b881dab2554309b363bf54ba88b3).
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task DataSink (DiscardingOutput) (2/2) (0ee8b881dab2554309b363bf54ba88b3) [FINISHED]
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task DataSink (DiscardingOutput) 0ee8b881dab2554309b363bf54ba88b3.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (0ee8b881dab2554309b363bf54ba88b3) switched from RUNNING to FINISHED.
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_27:0 
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (16ccdd0272ecf0e1c9dacd903a101228) switched from RUNNING to FINISHED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (16ccdd0272ecf0e1c9dacd903a101228).
[jobmanager-future-thread-16] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (294c9b20dba8837433a335dd0f8525f6) switched from CREATED to SCHEDULED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (16ccdd0272ecf0e1c9dacd903a101228) [FINISHED]
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) 16ccdd0272ecf0e1c9dacd903a101228.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (294c9b20dba8837433a335dd0f8525f6) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying DataSink (DiscardingOutput) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task DataSink (DiscardingOutput) (1/2).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (16ccdd0272ecf0e1c9dacd903a101228) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) (294c9b20dba8837433a335dd0f8525f6) switched from CREATED to DEPLOYING.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task DataSink (DiscardingOutput) (1/2) (294c9b20dba8837433a335dd0f8525f6) [DEPLOYING]
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task DataSink (DiscardingOutput) (1/2) (294c9b20dba8837433a335dd0f8525f6) [DEPLOYING].
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: DataSink (DiscardingOutput) (1/2) (294c9b20dba8837433a335dd0f8525f6) [DEPLOYING].
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) (294c9b20dba8837433a335dd0f8525f6) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (294c9b20dba8837433a335dd0f8525f6) switched from DEPLOYING to RUNNING.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) (294c9b20dba8837433a335dd0f8525f6) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for DataSink (DiscardingOutput) (1/2) (294c9b20dba8837433a335dd0f8525f6).
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task DataSink (DiscardingOutput) (1/2) (294c9b20dba8837433a335dd0f8525f6) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task DataSink (DiscardingOutput) 294c9b20dba8837433a335dd0f8525f6.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (294c9b20dba8837433a335dd0f8525f6) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job BeamApp-root-0619011008-4ec8ff76 (1c7e8d825b8657af04690804a0b3084d) switched from state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 1c7e8d825b8657af04690804a0b3084d reached globally terminal state FINISHED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job BeamApp-root-0619011008-4ec8ff76(1c7e8d825b8657af04690804a0b3084d).
[flink-runner-job-invoker] INFO org.apache.flink.runtime.minicluster.MiniCluster - Shutting down Flink Mini Cluster
[flink-runner-job-invoker] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shutting down rest endpoint.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor akka://flink/user/taskmanager_0.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher akka://flink/user/dispatcherbaeded52-b3d9-49ec-a28d-c3df5404a6fb.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all currently running jobs of dispatcher akka://flink/user/dispatcherbaeded52-b3d9-49ec-a28d-c3df5404a6fb.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection ca628a222a50d6dfbdaa00f1c299bed9: JobManager is shutting down..
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ref_PCollection_PCollection_1:beam:metric:pardo_execution_time:finish_bundle_msecs:v1 {PTRANSFORM=fn/write/ref_PCollection_PCollection_2:0}: 0, ref_PCollection_PCollection_9:beam:metric:ptransform_execution_time:total_msecs:v1 {PTRANSFORM=fn/write/ref_PCollection_PCollection_12:0}: 0, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:finish_bundle_msecs:v1 {PTRANSFORM=fn/read/ref_PCollection_PCollection_17:0}: 0, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:finish_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Create/Map(decode)_28}: 0, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Group/pair_with_0_32}: 2, ref_PCollection_PCollection_14:beam:metric:element_count:v1 {PCOLLECTION=ref_PCollection_PCollection_23}: 3, ref_PCollection_PCollection_27:beam:metric:ptransform_execution_time:total_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Match_41}: 0, ref_PCollection_PCollection_14:beam:metric:element_count:v1 {PCOLLECTION=ref_PCollection_PCollection_20}: 3, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Create/FlatMap(<lambda at core.py:2254>)_26}: 0, pcollection_1:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=fn/write/ref_PCollection_PCollection_14:0}: 0, ref_PCollection_PCollection_14:beam:metric:element_count:v1 {PCOLLECTION=ref_PCollection_PCollection_21}: 3, ref_PCollection_PCollection_9:beam:metric:element_count:v1 {PCOLLECTION=ref_PCollection_PCollection_11}: 12, ref_PCollection_PCollection_9:beam:metric:element_count:v1 {PCOLLECTION=ref_PCollection_PCollection_12}: 12, ref_PCollection_PCollection_9:beam:metric:element_count:v1 {PCOLLECTION=ref_PCollection_PCollection_10}: 12, ref_PCollection_PCollection_27:beam:metric:ptransform_execution_time:total_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Group/Map(_merge_tagged_vals_under_key)_39}: 0, ref_PCollection_PCollection_1:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=fn/write/ref_PCollection_PCollection_2:0}: 0, ref_PCollection_PCollection_14:beam:metric:ptransform_execution_time:total_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/WindowInto(WindowIntoFn)_29}: 0, ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:finish_bundle_msecs:v1 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=fn/read/ref_PCollection_PCollection_17:0}: 0, ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_Create/Map(decode)_16}: 0)Distributions(ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_16}: DistributionResult{sum=54, count=3, min=18, max=18}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_15}: DistributionResult{sum=51, count=3, min=17, max=17}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_14}: DistributionResult{sum=45, count=3, min=15, max=15}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_30}: DistributionResult{sum=14, count=1, min=14, max=14}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_24:0}: DistributionResult{sum=19, count=1, min=19, max=19}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_17}: DistributionResult{sum=13, count=1, min=13, max=13}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_24:1}: DistributionResult{sum=72, count=3, min=24, max=24}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_18}: DistributionResult{sum=16, count=1, min=16, max=16}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_19}: DistributionResult{sum=15, count=1, min=15, max=15}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_9}: DistributionResult{sum=192, count=12, min=16, max=16}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_22}: DistributionResult{sum=17, count=1, min=17, max=17}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_10}: DistributionResult{sum=168, count=12, min=14, max=14}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_12}: DistributionResult{sum=168, count=12, min=14, max=14}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_11}: DistributionResult{sum=168, count=12, min=14, max=14}, ref_PCollection_PCollection_1:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_1}: DistributionResult{sum=13, count=1, min=13, max=13}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_27}: DistributionResult{sum=58, count=1, min=58, max=58}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_28}: DistributionResult{sum=41, count=1, min=41, max=41}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_23}: DistributionResult{sum=63, count=3, min=21, max=21}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_29}: DistributionResult{sum=33, count=1, min=33, max=33}, ref_PCollection_PCollection_1:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_2}: DistributionResult{sum=180, count=12, min=15, max=15}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_21}: DistributionResult{sum=57, count=3, min=19, max=19}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_20}: DistributionResult{sum=54, count=3, min=18, max=18}))
[flink-runner-job-invoker] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/beam-artifact-staging/job_9a45f9a3-9f22-43cf-b9ba-5bb69861739c/MANIFEST has 0 artifact locations
[flink-runner-job-invoker] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactStagingService - Removed dir /tmp/beam-artifact-staging/job_9a45f9a3-9f22-43cf-b9ba-5bb69861739c/

> Task :sdks:python:crossLanguageTests

FAILURE: Build failed with an exception.

* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_Verify/ws/src/sdks/python/build.gradle'> line: 133

* What went wrong:
Execution failed for task ':sdks:python:directRunnerIT'.
> Process 'command 'sh'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/5.2.1/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 1h 8m 13s
104 actionable tasks: 80 executed, 21 from cache, 3 up-to-date

Publishing build scan...
https://gradle.com/s/hdmi2jlspnevo

Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure

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Build failed in Jenkins: beam_PostCommit_Python_Verify #8536

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Changes:

[zyichi] [BEAM-5148] Add MongoDB IO to python sdk

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[...truncated 847.49 KB...]
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) 4cece45960d37a623a31581612a6c190.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) 191f692e31ee45820614e53dbfbd78cf.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (2/2) (4cece45960d37a623a31581612a6c190) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [3]{ExternalTransform(pytest:beam:transforms:filter_less_than), ExternalTransform(pytest:beam:transforms:count)}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) -> Map (Key Extractor) (1/2) (191f692e31ee45820614e53dbfbd78cf) switched from RUNNING to FINISHED.
[jobmanager-future-thread-12] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (e97dac2b545e5a80d2967fcd163b8cab) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (e97dac2b545e5a80d2967fcd163b8cab) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2).
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (e97dac2b545e5a80d2967fcd163b8cab) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (e97dac2b545e5a80d2967fcd163b8cab) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (e97dac2b545e5a80d2967fcd163b8cab) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (e97dac2b545e5a80d2967fcd163b8cab) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (e97dac2b545e5a80d2967fcd163b8cab) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (e97dac2b545e5a80d2967fcd163b8cab) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) exceeded the 80 characters length limit and was truncated.
[jobmanager-future-thread-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1de91fbd9d20a8db31bd64d01e3895bb) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1de91fbd9d20a8db31bd64d01e3895bb) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2).
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1de91fbd9d20a8db31bd64d01e3895bb) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1de91fbd9d20a8db31bd64d01e3895bb) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1de91fbd9d20a8db31bd64d01e3895bb) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1de91fbd9d20a8db31bd64d01e3895bb) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1de91fbd9d20a8db31bd64d01e3895bb) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1de91fbd9d20a8db31bd64d01e3895bb) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) exceeded the 80 characters length limit and was truncated.
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (4dd02d9ab4b020c1841518e3e143e890) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (4dd02d9ab4b020c1841518e3e143e890).
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (0beb39e90250cc87917b2e3e1ed0a946) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (4dd02d9ab4b020c1841518e3e143e890) [FINISHED]
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (0beb39e90250cc87917b2e3e1ed0a946).
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (0beb39e90250cc87917b2e3e1ed0a946) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) 4dd02d9ab4b020c1841518e3e143e890.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) 0beb39e90250cc87917b2e3e1ed0a946.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (4dd02d9ab4b020c1841518e3e143e890) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (0beb39e90250cc87917b2e3e1ed0a946) switched from RUNNING to FINISHED.
[jobmanager-future-thread-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (680442f2bbafdfae66888297d74cfdf8) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (680442f2bbafdfae66888297d74cfdf8) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (680442f2bbafdfae66888297d74cfdf8) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (680442f2bbafdfae66888297d74cfdf8) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (680442f2bbafdfae66888297d74cfdf8) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (680442f2bbafdfae66888297d74cfdf8) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (680442f2bbafdfae66888297d74cfdf8) switched from DEPLOYING to RUNNING.
[jobmanager-future-thread-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (fcc6c18dbdd6496f817efb0a33e601e7) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (680442f2bbafdfae66888297d74cfdf8) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) exceeded the 80 characters length limit and was truncated.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (fcc6c18dbdd6496f817efb0a33e601e7) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (attempt #0) to localhost
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (e97dac2b545e5a80d2967fcd163b8cab) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (e97dac2b545e5a80d2967fcd163b8cab).
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (e97dac2b545e5a80d2967fcd163b8cab) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (fcc6c18dbdd6496f817efb0a33e601e7) switched from CREATED to DEPLOYING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) e97dac2b545e5a80d2967fcd163b8cab.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (fcc6c18dbdd6496f817efb0a33e601e7) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (fcc6c18dbdd6496f817efb0a33e601e7) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (fcc6c18dbdd6496f817efb0a33e601e7) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (fcc6c18dbdd6496f817efb0a33e601e7) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (fcc6c18dbdd6496f817efb0a33e601e7) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) exceeded the 80 characters length limit and was truncated.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (e97dac2b545e5a80d2967fcd163b8cab) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1de91fbd9d20a8db31bd64d01e3895bb) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1de91fbd9d20a8db31bd64d01e3895bb).
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1de91fbd9d20a8db31bd64d01e3895bb) [FINISHED]
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) 1de91fbd9d20a8db31bd64d01e3895bb.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1de91fbd9d20a8db31bd64d01e3895bb) switched from RUNNING to FINISHED.
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:0:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:0:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_14:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_14:0 
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (fcc6c18dbdd6496f817efb0a33e601e7) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (fcc6c18dbdd6496f817efb0a33e601e7).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (fcc6c18dbdd6496f817efb0a33e601e7) [FINISHED]
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) fcc6c18dbdd6496f817efb0a33e601e7.
[jobmanager-future-thread-11] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (620eedbe418a275c3f23b4837485c4cd) switched from CREATED to SCHEDULED.
[jobmanager-future-thread-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (77e5ec2eaa070edcacac81a757074686) switched from CREATED to SCHEDULED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (680442f2bbafdfae66888297d74cfdf8) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (680442f2bbafdfae66888297d74cfdf8).
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (77e5ec2eaa070edcacac81a757074686) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (620eedbe418a275c3f23b4837485c4cd) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2).
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (77e5ec2eaa070edcacac81a757074686) switched from CREATED to DEPLOYING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (fcc6c18dbdd6496f817efb0a33e601e7) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (77e5ec2eaa070edcacac81a757074686) [DEPLOYING]
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (77e5ec2eaa070edcacac81a757074686) [DEPLOYING].
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (77e5ec2eaa070edcacac81a757074686) [DEPLOYING].
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2).
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (77e5ec2eaa070edcacac81a757074686) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (620eedbe418a275c3f23b4837485c4cd) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (620eedbe418a275c3f23b4837485c4cd) [DEPLOYING]
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (620eedbe418a275c3f23b4837485c4cd) [DEPLOYING].
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (620eedbe418a275c3f23b4837485c4cd) [DEPLOYING].
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (77e5ec2eaa070edcacac81a757074686) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (620eedbe418a275c3f23b4837485c4cd) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (620eedbe418a275c3f23b4837485c4cd) switched from DEPLOYING to RUNNING.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (08caa24bebfb8e941ea939686c891902) switched from RUNNING to FINISHED.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (08caa24bebfb8e941ea939686c891902).
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (7697ff476e24bb7c16a9eb1fbaccbd90) switched from RUNNING to FINISHED.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (7697ff476e24bb7c16a9eb1fbaccbd90).
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (08caa24bebfb8e941ea939686c891902) [FINISHED]
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (680442f2bbafdfae66888297d74cfdf8) [FINISHED]
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (7697ff476e24bb7c16a9eb1fbaccbd90) [FINISHED]
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) 08caa24bebfb8e941ea939686c891902.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 680442f2bbafdfae66888297d74cfdf8.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (08caa24bebfb8e941ea939686c891902) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) 7697ff476e24bb7c16a9eb1fbaccbd90.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (680442f2bbafdfae66888297d74cfdf8) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (7697ff476e24bb7c16a9eb1fbaccbd90) switched from RUNNING to FINISHED.
[jobmanager-future-thread-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (deacc0aa9ef62716b5791ec5194bc62b) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (deacc0aa9ef62716b5791ec5194bc62b) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (deacc0aa9ef62716b5791ec5194bc62b) switched from CREATED to DEPLOYING.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (deacc0aa9ef62716b5791ec5194bc62b) [DEPLOYING]
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (deacc0aa9ef62716b5791ec5194bc62b) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (deacc0aa9ef62716b5791ec5194bc62b) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (deacc0aa9ef62716b5791ec5194bc62b) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (deacc0aa9ef62716b5791ec5194bc62b) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (77e5ec2eaa070edcacac81a757074686) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (77e5ec2eaa070edcacac81a757074686).
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (77e5ec2eaa070edcacac81a757074686) [FINISHED]
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (620eedbe418a275c3f23b4837485c4cd) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (620eedbe418a275c3f23b4837485c4cd).
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) 77e5ec2eaa070edcacac81a757074686.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (620eedbe418a275c3f23b4837485c4cd) [FINISHED]
[jobmanager-future-thread-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (ec5f6a2980a29aff4177db1d9d481546) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) 620eedbe418a275c3f23b4837485c4cd.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (77e5ec2eaa070edcacac81a757074686) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (ec5f6a2980a29aff4177db1d9d481546) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (620eedbe418a275c3f23b4837485c4cd) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (ec5f6a2980a29aff4177db1d9d481546) switched from CREATED to DEPLOYING.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (ec5f6a2980a29aff4177db1d9d481546) [DEPLOYING]
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (ec5f6a2980a29aff4177db1d9d481546) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (ec5f6a2980a29aff4177db1d9d481546) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (ec5f6a2980a29aff4177db1d9d481546) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (ec5f6a2980a29aff4177db1d9d481546) switched from DEPLOYING to RUNNING.
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_27:0 
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (deacc0aa9ef62716b5791ec5194bc62b) switched from RUNNING to FINISHED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (deacc0aa9ef62716b5791ec5194bc62b).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (deacc0aa9ef62716b5791ec5194bc62b) [FINISHED]
[jobmanager-future-thread-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (be526fa347f1dc561dc42c8dbb3b48d6) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) deacc0aa9ef62716b5791ec5194bc62b.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (be526fa347f1dc561dc42c8dbb3b48d6) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying DataSink (DiscardingOutput) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task DataSink (DiscardingOutput) (2/2).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (deacc0aa9ef62716b5791ec5194bc62b) switched from RUNNING to FINISHED.
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_27:0 
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) (be526fa347f1dc561dc42c8dbb3b48d6) switched from CREATED to DEPLOYING.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task DataSink (DiscardingOutput) (2/2) (be526fa347f1dc561dc42c8dbb3b48d6) [DEPLOYING]
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task DataSink (DiscardingOutput) (2/2) (be526fa347f1dc561dc42c8dbb3b48d6) [DEPLOYING].
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: DataSink (DiscardingOutput) (2/2) (be526fa347f1dc561dc42c8dbb3b48d6) [DEPLOYING].
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) (be526fa347f1dc561dc42c8dbb3b48d6) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (be526fa347f1dc561dc42c8dbb3b48d6) switched from DEPLOYING to RUNNING.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) (be526fa347f1dc561dc42c8dbb3b48d6) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for DataSink (DiscardingOutput) (2/2) (be526fa347f1dc561dc42c8dbb3b48d6).
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task DataSink (DiscardingOutput) (2/2) (be526fa347f1dc561dc42c8dbb3b48d6) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task DataSink (DiscardingOutput) be526fa347f1dc561dc42c8dbb3b48d6.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (be526fa347f1dc561dc42c8dbb3b48d6) switched from RUNNING to FINISHED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (ec5f6a2980a29aff4177db1d9d481546) switched from RUNNING to FINISHED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (ec5f6a2980a29aff4177db1d9d481546).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (ec5f6a2980a29aff4177db1d9d481546) [FINISHED]
[jobmanager-future-thread-1] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (defb02d59bc32a434c0662985afe02c9) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) ec5f6a2980a29aff4177db1d9d481546.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (defb02d59bc32a434c0662985afe02c9) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying DataSink (DiscardingOutput) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task DataSink (DiscardingOutput) (1/2).
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (ec5f6a2980a29aff4177db1d9d481546) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) (defb02d59bc32a434c0662985afe02c9) switched from CREATED to DEPLOYING.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task DataSink (DiscardingOutput) (1/2) (defb02d59bc32a434c0662985afe02c9) [DEPLOYING]
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task DataSink (DiscardingOutput) (1/2) (defb02d59bc32a434c0662985afe02c9) [DEPLOYING].
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: DataSink (DiscardingOutput) (1/2) (defb02d59bc32a434c0662985afe02c9) [DEPLOYING].
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) (defb02d59bc32a434c0662985afe02c9) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (defb02d59bc32a434c0662985afe02c9) switched from DEPLOYING to RUNNING.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) (defb02d59bc32a434c0662985afe02c9) switched from RUNNING to FINISHED.
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ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:finish_bundle_msecs:v1 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=fn/read/ref_PCollection_PCollection_17:0}: 0, ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_Create/Map(decode)_16}: 0, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=fn/write/ref_PCollection_PCollection_24:1:0}: 0)Distributions(ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_16}: DistributionResult{sum=54, count=3, min=18, max=18}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_15}: DistributionResult{sum=51, count=3, min=17, max=17}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_14}: DistributionResult{sum=45, count=3, min=15, max=15}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_30}: DistributionResult{sum=14, count=1, min=14, max=14}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_24:1}: DistributionResult{sum=19, count=1, min=19, max=19}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_17}: DistributionResult{sum=13, count=1, min=13, max=13}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_18}: DistributionResult{sum=16, count=1, min=16, max=16}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_24:0}: DistributionResult{sum=72, count=3, min=24, max=24}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_19}: DistributionResult{sum=15, count=1, min=15, max=15}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_9}: DistributionResult{sum=192, count=12, min=16, max=16}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_22}: DistributionResult{sum=17, count=1, min=17, max=17}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_10}: DistributionResult{sum=168, count=12, min=14, max=14}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_12}: DistributionResult{sum=168, count=12, min=14, max=14}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_11}: DistributionResult{sum=168, count=12, min=14, max=14}, ref_PCollection_PCollection_1:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_1}: DistributionResult{sum=13, count=1, min=13, max=13}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_27}: DistributionResult{sum=58, count=1, min=58, max=58}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_28}: DistributionResult{sum=41, count=1, min=41, max=41}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_23}: DistributionResult{sum=63, count=3, min=21, max=21}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_29}: DistributionResult{sum=33, count=1, min=33, max=33}, ref_PCollection_PCollection_1:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_2}: DistributionResult{sum=165, count=11, min=15, max=15}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_21}: DistributionResult{sum=57, count=3, min=19, max=19}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_20}: DistributionResult{sum=54, count=3, min=18, max=18}))
[flink-runner-job-invoker] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/beam-artifact-staging/job_55f618b3-8861-4145-a868-7669283fc7e3/MANIFEST has 0 artifact locations
[flink-runner-job-invoker] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactStagingService - Removed dir /tmp/beam-artifact-staging/job_55f618b3-8861-4145-a868-7669283fc7e3/

> Task :sdks:python:crossLanguageTests

FAILURE: Build failed with an exception.

* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_Verify/ws/src/sdks/python/build.gradle'> line: 181

* What went wrong:
Execution failed for task ':sdks:python:postCommitIT'.
> Process 'command 'sh'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/5.2.1/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 1h 15m 8s
104 actionable tasks: 80 executed, 21 from cache, 3 up-to-date

Publishing build scan...
https://gradle.com/s/khnpjfd24pqzs

Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure

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[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (373d71c0fdc9bb329329e5030d3dd32b) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (373d71c0fdc9bb329329e5030d3dd32b) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (373d71c0fdc9bb329329e5030d3dd32b) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (373d71c0fdc9bb329329e5030d3dd32b) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (373d71c0fdc9bb329329e5030d3dd32b) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) exceeded the 80 characters length limit and was truncated.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (373d71c0fdc9bb329329e5030d3dd32b) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (3fef4ad62809c1469351267769a4f71c) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (3fef4ad62809c1469351267769a4f71c).
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (85363f80fdb19abd3f0602eb8e96a652) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (3fef4ad62809c1469351267769a4f71c) [FINISHED]
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (85363f80fdb19abd3f0602eb8e96a652).
[GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (85363f80fdb19abd3f0602eb8e96a652) [FINISHED]
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) 3fef4ad62809c1469351267769a4f71c.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) 85363f80fdb19abd3f0602eb8e96a652.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (1/2) (3fef4ad62809c1469351267769a4f71c) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/Group) (2/2) (85363f80fdb19abd3f0602eb8e96a652) switched from RUNNING to FINISHED.
[jobmanager-future-thread-11] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (19f2d48a7cb2caeee1313792850d1fc0) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (19f2d48a7cb2caeee1313792850d1fc0) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (19f2d48a7cb2caeee1313792850d1fc0) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (19f2d48a7cb2caeee1313792850d1fc0) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (19f2d48a7cb2caeee1313792850d1fc0) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (19f2d48a7cb2caeee1313792850d1fc0) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (19f2d48a7cb2caeee1313792850d1fc0) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (79823e6cf70118c43eb9f933b19c580d) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (79823e6cf70118c43eb9f933b19c580d).
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (19f2d48a7cb2caeee1313792850d1fc0) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) exceeded the 80 characters length limit and was truncated.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (79823e6cf70118c43eb9f933b19c580d) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) 79823e6cf70118c43eb9f933b19c580d.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (79823e6cf70118c43eb9f933b19c580d) switched from RUNNING to FINISHED.
[jobmanager-future-thread-12] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1119eb37bdb9e8798c8da41fddf1f991) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1119eb37bdb9e8798c8da41fddf1f991) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1119eb37bdb9e8798c8da41fddf1f991) switched from CREATED to DEPLOYING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1119eb37bdb9e8798c8da41fddf1f991) [DEPLOYING]
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1119eb37bdb9e8798c8da41fddf1f991) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1119eb37bdb9e8798c8da41fddf1f991) [DEPLOYING].
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1119eb37bdb9e8798c8da41fddf1f991) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1119eb37bdb9e8798c8da41fddf1f991) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] WARN org.apache.flink.metrics.MetricGroup - The operator name MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) exceeded the 80 characters length limit and was truncated.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (373d71c0fdc9bb329329e5030d3dd32b) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (373d71c0fdc9bb329329e5030d3dd32b).
[grpc-default-executor-2] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:1:0 
[CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (373d71c0fdc9bb329329e5030d3dd32b) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) 373d71c0fdc9bb329329e5030d3dd32b.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [2]ExternalTransform(pytest:beam:transforms:count)/Combine.perKey(Count)/{Merge, ExtractOutputs}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (373d71c0fdc9bb329329e5030d3dd32b) switched from RUNNING to FINISHED.
[grpc-default-executor-2] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:1:0 
[grpc-default-executor-2] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_14:0 
[grpc-default-executor-2] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_14:0 
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1119eb37bdb9e8798c8da41fddf1f991) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1119eb37bdb9e8798c8da41fddf1f991).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (19f2d48a7cb2caeee1313792850d1fc0) switched from RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (19f2d48a7cb2caeee1313792850d1fc0).
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1119eb37bdb9e8798c8da41fddf1f991) [FINISHED]
[CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (19f2d48a7cb2caeee1313792850d1fc0) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 1119eb37bdb9e8798c8da41fddf1f991.
[jobmanager-future-thread-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (42f282b56b76f1d6f4b3de31388e4b97) switched from CREATED to SCHEDULED.
[jobmanager-future-thread-11] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (0c0e4ad31d8097de65dbb29319ed4680) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) 19f2d48a7cb2caeee1313792850d1fc0.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (0c0e4ad31d8097de65dbb29319ed4680) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (42f282b56b76f1d6f4b3de31388e4b97) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (2/2) (1119eb37bdb9e8798c8da41fddf1f991) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2).
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (42f282b56b76f1d6f4b3de31388e4b97) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (42f282b56b76f1d6f4b3de31388e4b97) [DEPLOYING]
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition (MapPartition at [6]{Map(<lambda at external_test.py:212>), Map(<lambda at external_test.py:213>), assert_that}) -> FlatMap (FlatMap at ExtractOutput[0]) (1/2) (19f2d48a7cb2caeee1313792850d1fc0) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (42f282b56b76f1d6f4b3de31388e4b97) [DEPLOYING].
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2).
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (42f282b56b76f1d6f4b3de31388e4b97) [DEPLOYING].
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (42f282b56b76f1d6f4b3de31388e4b97) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (0c0e4ad31d8097de65dbb29319ed4680) switched from CREATED to DEPLOYING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (42f282b56b76f1d6f4b3de31388e4b97) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (0c0e4ad31d8097de65dbb29319ed4680) [DEPLOYING]
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (0c0e4ad31d8097de65dbb29319ed4680) [DEPLOYING].
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (0c0e4ad31d8097de65dbb29319ed4680) [DEPLOYING].
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (0c0e4ad31d8097de65dbb29319ed4680) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (0c0e4ad31d8097de65dbb29319ed4680) switched from DEPLOYING to RUNNING.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (955e825cb8336afa7ce74ad7f43fd840) switched from RUNNING to FINISHED.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (955e825cb8336afa7ce74ad7f43fd840).
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (cdb40a5010fed7b21ee25d8e9ab86e57) switched from RUNNING to FINISHED.
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (955e825cb8336afa7ce74ad7f43fd840) [FINISHED]
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (cdb40a5010fed7b21ee25d8e9ab86e57).
[CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (cdb40a5010fed7b21ee25d8e9ab86e57) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) 955e825cb8336afa7ce74ad7f43fd840.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) cdb40a5010fed7b21ee25d8e9ab86e57.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (1/2) (955e825cb8336afa7ce74ad7f43fd840) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN Filter (UnionFixFilter) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: assert_that/Group/GroupByKey) -> Map (Key Extractor) (2/2) (cdb40a5010fed7b21ee25d8e9ab86e57) switched from RUNNING to FINISHED.
[jobmanager-future-thread-13] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (b947284f94920150cbc2ba01581acbca) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (b947284f94920150cbc2ba01581acbca) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (b947284f94920150cbc2ba01581acbca) switched from CREATED to DEPLOYING.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (b947284f94920150cbc2ba01581acbca) [DEPLOYING]
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (b947284f94920150cbc2ba01581acbca) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (b947284f94920150cbc2ba01581acbca) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (b947284f94920150cbc2ba01581acbca) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (b947284f94920150cbc2ba01581acbca) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (0c0e4ad31d8097de65dbb29319ed4680) switched from RUNNING to FINISHED.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (0c0e4ad31d8097de65dbb29319ed4680).
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (0c0e4ad31d8097de65dbb29319ed4680) [FINISHED]
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (42f282b56b76f1d6f4b3de31388e4b97) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) 0c0e4ad31d8097de65dbb29319ed4680.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (42f282b56b76f1d6f4b3de31388e4b97).
[jobmanager-future-thread-11] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (770216d69527a552d0437a0ef061cac4) switched from CREATED to SCHEDULED.
[GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (42f282b56b76f1d6f4b3de31388e4b97) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupReduce (GroupReduce at assert_that/Group/GroupByKey) 42f282b56b76f1d6f4b3de31388e4b97.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (2/2) (0c0e4ad31d8097de65dbb29319ed4680) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (770216d69527a552d0437a0ef061cac4) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce (GroupReduce at assert_that/Group/GroupByKey) (1/2) (42f282b56b76f1d6f4b3de31388e4b97) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (770216d69527a552d0437a0ef061cac4) switched from CREATED to DEPLOYING.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (770216d69527a552d0437a0ef061cac4) [DEPLOYING]
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (770216d69527a552d0437a0ef061cac4) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (770216d69527a552d0437a0ef061cac4) [DEPLOYING].
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (770216d69527a552d0437a0ef061cac4) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (770216d69527a552d0437a0ef061cac4) switched from DEPLOYING to RUNNING.
[grpc-default-executor-2] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_27:0 
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (b947284f94920150cbc2ba01581acbca) switched from RUNNING to FINISHED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (b947284f94920150cbc2ba01581acbca).
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (b947284f94920150cbc2ba01581acbca) [FINISHED]
[jobmanager-future-thread-12] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (04ec16b47ad5fd0ae44c1a4a8787872c) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) b947284f94920150cbc2ba01581acbca.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (04ec16b47ad5fd0ae44c1a4a8787872c) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying DataSink (DiscardingOutput) (2/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task DataSink (DiscardingOutput) (2/2).
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (2/2) (b947284f94920150cbc2ba01581acbca) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) (04ec16b47ad5fd0ae44c1a4a8787872c) switched from CREATED to DEPLOYING.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task DataSink (DiscardingOutput) (2/2) (04ec16b47ad5fd0ae44c1a4a8787872c) [DEPLOYING]
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task DataSink (DiscardingOutput) (2/2) (04ec16b47ad5fd0ae44c1a4a8787872c) [DEPLOYING].
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: DataSink (DiscardingOutput) (2/2) (04ec16b47ad5fd0ae44c1a4a8787872c) [DEPLOYING].
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) (04ec16b47ad5fd0ae44c1a4a8787872c) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (04ec16b47ad5fd0ae44c1a4a8787872c) switched from DEPLOYING to RUNNING.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (2/2) (04ec16b47ad5fd0ae44c1a4a8787872c) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for DataSink (DiscardingOutput) (2/2) (04ec16b47ad5fd0ae44c1a4a8787872c).
[DataSink (DiscardingOutput) (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task DataSink (DiscardingOutput) (2/2) (04ec16b47ad5fd0ae44c1a4a8787872c) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task DataSink (DiscardingOutput) 04ec16b47ad5fd0ae44c1a4a8787872c.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (2/2) (04ec16b47ad5fd0ae44c1a4a8787872c) switched from RUNNING to FINISHED.
[grpc-default-executor-2] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_27:0 
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (770216d69527a552d0437a0ef061cac4) switched from RUNNING to FINISHED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (770216d69527a552d0437a0ef061cac4).
[jobmanager-future-thread-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (f920326284704044598bc747ad1f875a) switched from CREATED to SCHEDULED.
[MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (770216d69527a552d0437a0ef061cac4) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) 770216d69527a552d0437a0ef061cac4.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (f920326284704044598bc747ad1f875a) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying DataSink (DiscardingOutput) (1/2) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task DataSink (DiscardingOutput) (1/2).
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - MapPartition (MapPartition at [3]assert_that/{Group, Unkey, Match}) (1/2) (770216d69527a552d0437a0ef061cac4) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) (f920326284704044598bc747ad1f875a) switched from CREATED to DEPLOYING.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task DataSink (DiscardingOutput) (1/2) (f920326284704044598bc747ad1f875a) [DEPLOYING]
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task DataSink (DiscardingOutput) (1/2) (f920326284704044598bc747ad1f875a) [DEPLOYING].
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: DataSink (DiscardingOutput) (1/2) (f920326284704044598bc747ad1f875a) [DEPLOYING].
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) (f920326284704044598bc747ad1f875a) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (f920326284704044598bc747ad1f875a) switched from DEPLOYING to RUNNING.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - DataSink (DiscardingOutput) (1/2) (f920326284704044598bc747ad1f875a) switched from RUNNING to FINISHED.
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for DataSink (DiscardingOutput) (1/2) (f920326284704044598bc747ad1f875a).
[DataSink (DiscardingOutput) (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task DataSink (DiscardingOutput) (1/2) (f920326284704044598bc747ad1f875a) [FINISHED]
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task DataSink (DiscardingOutput) f920326284704044598bc747ad1f875a.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - DataSink (DiscardingOutput) (1/2) (f920326284704044598bc747ad1f875a) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job BeamApp-root-0618191133-6d73f59 (6150ed16d178ea7badb7e803d91e180d) switched from state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 6150ed16d178ea7badb7e803d91e180d reached globally terminal state FINISHED.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job BeamApp-root-0618191133-6d73f59(6150ed16d178ea7badb7e803d91e180d).
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job 6150ed16d178ea7badb7e803d91e180d.
[flink-akka.actor.default-dispatcher-6] INFO org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection f08370524dc61d989ca9e46c8e584a9f: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-runner-job-invoker] INFO org.apache.flink.runtime.minicluster.MiniCluster - Shutting down Flink Mini Cluster
[flink-runner-job-invoker] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shutting down rest endpoint.
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect job manager a781c4f2723e357c01b7484ae91442f6@akka://flink/user/jobmanager_1 for job 6150ed16d178ea7badb7e803d91e180d from the resource manager.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot TaskSlot(index:1, state:ALLOCATED, resource profile: ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: AllocationID{e1ca832a91644b5dc94b9b0e10c5e159}, jobId: 6150ed16d178ea7badb7e803d91e180d).
[flink-akka.actor.default-dispatcher-7] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - JobManager for job 6150ed16d178ea7badb7e803d91e180d with leader id a781c4f2723e357c01b7484ae91442f6 lost leadership.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher akka://flink/user/dispatcher90188c5f-bb7e-4749-abd8-d3bc62352b0c.
[flink-akka.actor.default-dispatcher-8] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all currently running jobs of dispatcher akka://flink/user/dispatcher90188c5f-bb7e-4749-abd8-d3bc62352b0c.
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ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Create/Map(decode)_28}: 0, ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=fn/write/ref_PCollection_PCollection_12:0}: 0, ref_PCollection_PCollection_14:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Group/pair_with_1_33}: 0, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=fn/read/ref_PCollection_PCollection_17:0}: 0, ref_PCollection_PCollection_27:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Match_41}: 0, ref_PCollection_PCollection_9:beam:metric:ptransform_execution_time:total_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_Map(<lambda at external_test.py:208>)_18}: 7, ref_PCollection_PCollection_1:beam:metric:pardo_execution_time:finish_bundle_msecs:v1 {PTRANSFORM=fn/write/ref_PCollection_PCollection_2:0}: 0, ref_PCollection_PCollection_9:beam:metric:ptransform_execution_time:total_msecs:v1 {PTRANSFORM=fn/write/ref_PCollection_PCollection_12:0}: 0, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:finish_bundle_msecs:v1 {PTRANSFORM=fn/read/ref_PCollection_PCollection_17:0}: 0, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:finish_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Create/Map(decode)_28}: 0, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Group/pair_with_0_32}: 8, ref_PCollection_PCollection_14:beam:metric:element_count:v1 {PCOLLECTION=ref_PCollection_PCollection_23}: 3, ref_PCollection_PCollection_27:beam:metric:ptransform_execution_time:total_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Match_41}: 0, ref_PCollection_PCollection_14:beam:metric:element_count:v1 {PCOLLECTION=ref_PCollection_PCollection_20}: 3, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Create/FlatMap(<lambda at core.py:2254>)_26}: 0, pcollection_1:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=fn/write/ref_PCollection_PCollection_14:0}: 0, ref_PCollection_PCollection_14:beam:metric:element_count:v1 {PCOLLECTION=ref_PCollection_PCollection_21}: 3, ref_PCollection_PCollection_9:beam:metric:element_count:v1 {PCOLLECTION=ref_PCollection_PCollection_11}: 12, ref_PCollection_PCollection_9:beam:metric:element_count:v1 {PCOLLECTION=ref_PCollection_PCollection_12}: 12, ref_PCollection_PCollection_9:beam:metric:element_count:v1 {PCOLLECTION=ref_PCollection_PCollection_10}: 12, ref_PCollection_PCollection_27:beam:metric:ptransform_execution_time:total_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/Group/Map(_merge_tagged_vals_under_key)_39}: 0, ref_PCollection_PCollection_1:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=fn/write/ref_PCollection_PCollection_2:0}: 0, ref_PCollection_PCollection_14:beam:metric:ptransform_execution_time:total_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_assert_that/WindowInto(WindowIntoFn)_29}: 0, ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:finish_bundle_msecs:v1 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, ref_PCollection_PCollection_17:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=fn/read/ref_PCollection_PCollection_17:0}: 0, ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:process_bundle_msecs:v1 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, ref_PCollection_PCollection_12:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=external_1root/ParDo(Anonymous)/ParMultiDo(Anonymous)}: 0, ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:start_bundle_msecs:v1 {PTRANSFORM=ref_AppliedPTransform_Create/Map(decode)_16}: 0)Distributions(ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_16}: DistributionResult{sum=54, count=3, min=18, max=18}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_15}: DistributionResult{sum=51, count=3, min=17, max=17}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_14}: DistributionResult{sum=45, count=3, min=15, max=15}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_30}: DistributionResult{sum=14, count=1, min=14, max=14}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_24:0}: DistributionResult{sum=19, count=1, min=19, max=19}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_17}: DistributionResult{sum=13, count=1, min=13, max=13}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_24:1}: DistributionResult{sum=72, count=3, min=24, max=24}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_18}: DistributionResult{sum=16, count=1, min=16, max=16}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_19}: DistributionResult{sum=15, count=1, min=15, max=15}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_9}: DistributionResult{sum=192, count=12, min=16, max=16}, ref_PCollection_PCollection_17:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_22}: DistributionResult{sum=17, count=1, min=17, max=17}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_10}: DistributionResult{sum=168, count=12, min=14, max=14}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_12}: DistributionResult{sum=168, count=12, min=14, max=14}, ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_11}: DistributionResult{sum=168, count=12, min=14, max=14}, ref_PCollection_PCollection_1:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_1}: DistributionResult{sum=13, count=1, min=13, max=13}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_27}: DistributionResult{sum=58, count=1, min=58, max=58}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_28}: DistributionResult{sum=41, count=1, min=41, max=41}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_23}: DistributionResult{sum=63, count=3, min=21, max=21}, ref_PCollection_PCollection_27:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_29}: DistributionResult{sum=33, count=1, min=33, max=33}, ref_PCollection_PCollection_1:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_2}: DistributionResult{sum=180, count=12, min=15, max=15}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_21}: DistributionResult{sum=57, count=3, min=19, max=19}, ref_PCollection_PCollection_14:beam:metric:sampled_byte_size:v1 {PCOLLECTION=ref_PCollection_PCollection_20}: DistributionResult{sum=54, count=3, min=18, max=18}))
[flink-runner-job-invoker] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/beam-artifact-staging/job_2623f51f-b68e-4a61-bfeb-d845e3f399cc/MANIFEST has 0 artifact locations
[flink-runner-job-invoker] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactStagingService - Removed dir /tmp/beam-artifact-staging/job_2623f51f-b68e-4a61-bfeb-d845e3f399cc/

> Task :sdks:python:crossLanguageTests

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.
-----------
* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_Verify/ws/src/sdks/python/build.gradle'> line: 114

* What went wrong:
Execution failed for task ':sdks:python:directRunnerIT'.
> Process 'command 'sh'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
==============================================================================

2: Task failed with an exception.
-----------
* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_Verify/ws/src/sdks/python/build.gradle'> line: 181

* What went wrong:
Execution failed for task ':sdks:python:postCommitIT'.
> Process 'command 'sh'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
==============================================================================

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/5.2.1/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 1h 11m 31s
104 actionable tasks: 80 executed, 21 from cache, 3 up-to-date

Publishing build scan...
https://gradle.com/s/qd4ezehzvotio

Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure

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