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[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader http://localhost:39665 , session=1cf813e1-038a-4154-bb02-2cec8a33c839
[flink-runner-job-server] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.dispatcher.StandaloneDispatcher at akka://flink/user/dispatcher9ff530d3-d2ff-408d-8c4f-8fa86c97be5a .
[flink-runner-job-server] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.dispatcher.StandaloneDispatcher@3f55283 @ akka://flink/user/dispatcher9ff530d3-d2ff-408d-8c4f-8fa86c97be5a
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Flink Mini Cluster started successfully
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Dispatcher akka://flink/user/dispatcher9ff530d3-d2ff-408d-8c4f-8fa86c97be5a was granted leadership with fencing token 8c45c506-6112-4c18-a3d7-177a0a183598
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Recovering all persisted jobs.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader akka://flink/user/dispatcher9ff530d3-d2ff-408d-8c4f-8fa86c97be5a , session=8c45c506-6112-4c18-a3d7-177a0a183598
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Submitting job 2e8e03fb18fb84390426289cf5ef48d5 (test_windowing_1542931892.46).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.jobmaster.JobMaster at akka://flink/user/jobmanager_41 .
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Initializing job test_windowing_1542931892.46 (2e8e03fb18fb84390426289cf5ef48d5).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Using restart strategy NoRestartStrategy for test_windowing_1542931892.46 (2e8e03fb18fb84390426289cf5ef48d5).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.jobmaster.slotpool.SlotPool at akka://flink/user/efa74a6a-0e0d-4089-ad80-e3da0e7d9b55 .
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job recovers via failover strategy: full graph restart
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Running initialization on master for job test_windowing_1542931892.46 (2e8e03fb18fb84390426289cf5ef48d5).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Successfully ran initialization on master in 0 ms.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.jobmaster.JobManagerRunner@77d2f387 @ akka://flink/user/jobmanager_41
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobManagerRunner - JobManager runner for job test_windowing_1542931892.46 (2e8e03fb18fb84390426289cf5ef48d5) was granted leadership with session id d34f631c-b2f4-4430-a5cb-92dd895bd2b8 at akka://flink/user/jobmanager_41.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Starting execution of job test_windowing_1542931892.46 (2e8e03fb18fb84390426289cf5ef48d5)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1542931892.46 (2e8e03fb18fb84390426289cf5ef48d5) switched from state CREATED to RUNNING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bc1c33579282d6297e379084af39fabd) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (979c90f5ade3604eb05209c70d2d203f) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (f12b2b04d15621789c121aac8eb1ede2) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (47c9a5fdd3bc73fa417cf4261b39a9cc) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Cannot serve slot request, no ResourceManager connected. Adding as pending request [SlotRequestId{c6937a60cbefb957df5526e6acec6ffc}]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (0037105ebe8d6ddbd2ec6ac326749ef3) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (dfb977ea35072a5ea07e7a86bc5cb7b3) switched from CREATED to SCHEDULED.
[jobmanager-future-thread-1] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader akka://flink/user/jobmanager_41 , session=d34f631c-b2f4-4430-a5cb-92dd895bd2b8
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Connecting to ResourceManager akka://flink/user/resourcemanager_c4afb509-f985-49e7-b75e-1b1608a794ba(b0b26aaaf62fe6416fb7c235f1824efd)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Resolved ResourceManager address, beginning registration
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Registration at ResourceManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registering job manager a5cb92dd895bd2b8d34f631cb2f44430@akka://flink/user/jobmanager_41 for job 2e8e03fb18fb84390426289cf5ef48d5.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registered job manager a5cb92dd895bd2b8d34f631cb2f44430@akka://flink/user/jobmanager_41 for job 2e8e03fb18fb84390426289cf5ef48d5.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - JobManager successfully registered at ResourceManager, leader id: b0b26aaaf62fe6416fb7c235f1824efd.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Requesting new slot [SlotRequestId{c6937a60cbefb957df5526e6acec6ffc}] and profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} from resource manager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Request slot with profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} for job 2e8e03fb18fb84390426289cf5ef48d5 with allocation id AllocationID{ad5f397a88484df165a47f1e2449dc6d}.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Receive slot request AllocationID{ad5f397a88484df165a47f1e2449dc6d} for job 2e8e03fb18fb84390426289cf5ef48d5 from resource manager with leader id b0b26aaaf62fe6416fb7c235f1824efd.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Allocated slot for AllocationID{ad5f397a88484df165a47f1e2449dc6d}.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Add job 2e8e03fb18fb84390426289cf5ef48d5 for job leader monitoring.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Try to register at job manager akka://flink/user/jobmanager_41 with leader id d34f631c-b2f4-4430-a5cb-92dd895bd2b8.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Resolved JobManager address, beginning registration
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Registration at JobManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Successful registration at job manager akka://flink/user/jobmanager_41 for job 2e8e03fb18fb84390426289cf5ef48d5.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Establish JobManager connection for job 2e8e03fb18fb84390426289cf5ef48d5.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Offer reserved slots to the leader of job 2e8e03fb18fb84390426289cf5ef48d5.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Activate slot AllocationID{ad5f397a88484df165a47f1e2449dc6d}.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (979c90f5ade3604eb05209c70d2d203f) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bc1c33579282d6297e379084af39fabd) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (f12b2b04d15621789c121aac8eb1ede2) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (47c9a5fdd3bc73fa417cf4261b39a9cc) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (979c90f5ade3604eb05209c70d2d203f) switched from CREATED to DEPLOYING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (979c90f5ade3604eb05209c70d2d203f) [DEPLOYING]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (0037105ebe8d6ddbd2ec6ac326749ef3) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (dfb977ea35072a5ea07e7a86bc5cb7b3) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (979c90f5ade3604eb05209c70d2d203f) [DEPLOYING].
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bc1c33579282d6297e379084af39fabd) switched from CREATED to DEPLOYING.
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bc1c33579282d6297e379084af39fabd) [DEPLOYING]
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bc1c33579282d6297e379084af39fabd) [DEPLOYING].
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bc1c33579282d6297e379084af39fabd) [DEPLOYING].
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (979c90f5ade3604eb05209c70d2d203f) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1).
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (f12b2b04d15621789c121aac8eb1ede2) switched from CREATED to DEPLOYING.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (f12b2b04d15621789c121aac8eb1ede2) [DEPLOYING]
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (f12b2b04d15621789c121aac8eb1ede2) [DEPLOYING].
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (f12b2b04d15621789c121aac8eb1ede2) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1).
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (47c9a5fdd3bc73fa417cf4261b39a9cc) switched from CREATED to DEPLOYING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (47c9a5fdd3bc73fa417cf4261b39a9cc) [DEPLOYING]
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (47c9a5fdd3bc73fa417cf4261b39a9cc) [DEPLOYING].
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (47c9a5fdd3bc73fa417cf4261b39a9cc) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task ToKeyedWorkItem (1/1).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (0037105ebe8d6ddbd2ec6ac326749ef3) switched from CREATED to DEPLOYING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task ToKeyedWorkItem (1/1) (0037105ebe8d6ddbd2ec6ac326749ef3) [DEPLOYING]
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task ToKeyedWorkItem (1/1) (0037105ebe8d6ddbd2ec6ac326749ef3) [DEPLOYING].
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: ToKeyedWorkItem (1/1) (0037105ebe8d6ddbd2ec6ac326749ef3) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (979c90f5ade3604eb05209c70d2d203f) switched from DEPLOYING to RUNNING.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (f12b2b04d15621789c121aac8eb1ede2) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (979c90f5ade3604eb05209c70d2d203f) switched from DEPLOYING to RUNNING.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (0037105ebe8d6ddbd2ec6ac326749ef3) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (f12b2b04d15621789c121aac8eb1ede2) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (0037105ebe8d6ddbd2ec6ac326749ef3) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (47c9a5fdd3bc73fa417cf4261b39a9cc) switched from DEPLOYING to RUNNING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (47c9a5fdd3bc73fa417cf4261b39a9cc) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (dfb977ea35072a5ea07e7a86bc5cb7b3) switched from CREATED to DEPLOYING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (dfb977ea35072a5ea07e7a86bc5cb7b3) [DEPLOYING]
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bc1c33579282d6297e379084af39fabd) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (dfb977ea35072a5ea07e7a86bc5cb7b3) [DEPLOYING].
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bc1c33579282d6297e379084af39fabd) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (dfb977ea35072a5ea07e7a86bc5cb7b3) [DEPLOYING].
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (dfb977ea35072a5ea07e7a86bc5cb7b3) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (dfb977ea35072a5ea07e7a86bc5cb7b3) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] WARN org.apache.flink.metrics.MetricGroup - The operator name 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 exceeded the 80 characters length limit and was truncated.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] WARN org.apache.beam.runners.fnexecution.environment.DockerCommand - Unable to pull docker image jenkins-docker-apache.bintray.io/beam/python:latest, cause: Received exit code 1 for command 'docker pull jenkins-docker-apache.bintray.io/beam/python:latest'. stderr: Error response from daemon: unknown: Repo 'apache' was not found
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestvZgKs6/job_9603b91c-6979-4c68-8a7c-8caf7f9d3cb2/MANIFEST
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Loading manifest for retrieval token /tmp/flinktestvZgKs6/job_9603b91c-6979-4c68-8a7c-8caf7f9d3cb2/MANIFEST
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/flinktestvZgKs6/job_9603b91c-6979-4c68-8a7c-8caf7f9d3cb2/MANIFEST has 0 artifact locations
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestvZgKs6/job_9603b91c-6979-4c68-8a7c-8caf7f9d3cb2/MANIFEST -> 0 artifacts
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Beam Fn Logging client connected.
[grpc-default-executor-1] INFO sdk_worker_main.main - Logging handler created.
[grpc-default-executor-1] INFO sdk_worker_main.start - Status HTTP server running at localhost:41287
[grpc-default-executor-1] INFO sdk_worker_main.main - semi_persistent_directory: /tmp
[grpc-default-executor-1] WARN sdk_worker_main._load_main_session - No session file found: /tmp/staged/pickled_main_session. Functions defined in __main__ (interactive session) may fail. 
[grpc-default-executor-1] INFO pipeline_options.get_all_options - Parsing unknown args: [u'--direct_runner_use_stacked_bundle', u'--options_id=21', u'--pipeline_type_check', u'--sdk_worker_parallelism=1']
[grpc-default-executor-1] INFO sdk_worker_main.main - Python sdk harness started with pipeline_options: {'runner': u'None', 'streaming': True, 'experiments': [u'beam_fn_api'], 'sdk_location': u'container', 'flink_master': '[auto]', 'direct_runner_use_stacked_bundle': None, 'sdk_worker_parallelism': u'1', 'job_name': u'test_windowing_1542931892.46', 'options_id': u'21', 'pipeline_type_check': None, 'parallelism': 1, 'job_endpoint': u'localhost:53691'}
[grpc-default-executor-1] INFO sdk_worker.__init__ - Creating insecure control channel.
[grpc-default-executor-1] INFO sdk_worker.__init__ - Control channel established.
[grpc-default-executor-1] INFO sdk_worker.__init__ - Initializing SDKHarness with 12 workers.
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.control.FnApiControlClientPoolService - Beam Fn Control client connected with id 1
[grpc-default-executor-1] INFO sdk_worker.create_state_handler - Creating channel for localhost:44615
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_4:0 
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:0:0 
[grpc-default-executor-1] INFO data_plane.create_data_channel - Creating channel for localhost:36101
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.data.GrpcDataService - Beam Fn Data client connected.
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_17:0 
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_1:0 
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_12:0 
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (979c90f5ade3604eb05209c70d2d203f) switched from RUNNING to FINISHED.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (979c90f5ade3604eb05209c70d2d203f).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (979c90f5ade3604eb05209c70d2d203f) [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 Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 979c90f5ade3604eb05209c70d2d203f.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (979c90f5ade3604eb05209c70d2d203f) 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_7:0 
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bc1c33579282d6297e379084af39fabd) switched from RUNNING to FINISHED.
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bc1c33579282d6297e379084af39fabd).
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bc1c33579282d6297e379084af39fabd) [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 Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem bc1c33579282d6297e379084af39fabd.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bc1c33579282d6297e379084af39fabd) switched from RUNNING to FINISHED.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (f12b2b04d15621789c121aac8eb1ede2) switched from RUNNING to FINISHED.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (f12b2b04d15621789c121aac8eb1ede2).
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (f12b2b04d15621789c121aac8eb1ede2) [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 Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem f12b2b04d15621789c121aac8eb1ede2.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (f12b2b04d15621789c121aac8eb1ede2) 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/read/ref_PCollection_PCollection_15:0 
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (47c9a5fdd3bc73fa417cf4261b39a9cc) switched from RUNNING to FINISHED.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (47c9a5fdd3bc73fa417cf4261b39a9cc).
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (47c9a5fdd3bc73fa417cf4261b39a9cc) [FINISHED]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 47c9a5fdd3bc73fa417cf4261b39a9cc.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (0037105ebe8d6ddbd2ec6ac326749ef3) switched from RUNNING to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for ToKeyedWorkItem (1/1) (0037105ebe8d6ddbd2ec6ac326749ef3).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) (0037105ebe8d6ddbd2ec6ac326749ef3) [FINISHED]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task ToKeyedWorkItem 0037105ebe8d6ddbd2ec6ac326749ef3.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (47c9a5fdd3bc73fa417cf4261b39a9cc) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (0037105ebe8d6ddbd2ec6ac326749ef3) 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 
[grpc-default-executor-1] INFO sdk_worker.run - No more requests from control plane
[grpc-default-executor-1] INFO sdk_worker.run - SDK Harness waiting for in-flight requests to complete
[grpc-default-executor-1] INFO data_plane.close - Closing all cached grpc data channels.
[grpc-default-executor-1] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[grpc-default-executor-0] INFO sdk_worker.close - Closing all cached gRPC state handlers.
[grpc-default-executor-0] INFO sdk_worker.run - Done consuming work.
[grpc-default-executor-0] INFO sdk_worker_main.main - Python sdk harness exiting.
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Logging client hanged up.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (dfb977ea35072a5ea07e7a86bc5cb7b3) switched from RUNNING to FINISHED.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (dfb977ea35072a5ea07e7a86bc5cb7b3).
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (dfb977ea35072a5ea07e7a86bc5cb7b3) [FINISHED]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 dfb977ea35072a5ea07e7a86bc5cb7b3.
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[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - Execution finished in 2077 msecs
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - Final accumulator values:
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - __metricscontainers : org.apache.beam.runners.core.metrics.MetricsContainerStepMap@90372863
INFO:root:Job state changed to DONE
.
----------------------------------------------------------------------
Ran 26 tests in 74.588s

OK (skipped=7)
:beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER (Thread[Task worker for ':' Thread 7,5,main]) completed. Took 1 mins 18.084 secs.

FAILURE: Build failed with an exception.

* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/ws/src/sdks/python/build.gradle'> line: 390

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

* Try:
Run with --stacktrace option to get the stack trace. Run with --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 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/4.10.2/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 11m 28s
59 actionable tasks: 54 executed, 4 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/jymkjjwk3sei2

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

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[flink-runner-job-server] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.dispatcher.StandaloneDispatcher@36209055 @ akka://flink/user/dispatcher0694e560-421d-4c2d-be80-30b6e0f34ae5
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[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Dispatcher akka://flink/user/dispatcher0694e560-421d-4c2d-be80-30b6e0f34ae5 was granted leadership with fencing token 954a2e10-dd86-4d7f-bafb-1d9bf7088bd5
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[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.jobmaster.slotpool.SlotPool at akka://flink/user/e174bd93-2c51-4dec-a059-fa030d2b3cff .
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job recovers via failover strategy: full graph restart
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Running initialization on master for job test_windowing_1542953493.79 (620f7acd0ccc482941b618223fde0635).
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[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.jobmaster.JobManagerRunner@3f7165d8 @ akka://flink/user/jobmanager_41
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobManagerRunner - JobManager runner for job test_windowing_1542953493.79 (620f7acd0ccc482941b618223fde0635) was granted leadership with session id f870760f-b1f4-45d3-b7f4-9b47dac5b0d9 at akka://flink/user/jobmanager_41.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Starting execution of job test_windowing_1542953493.79 (620f7acd0ccc482941b618223fde0635)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1542953493.79 (620f7acd0ccc482941b618223fde0635) switched from state CREATED to RUNNING.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (00c1e059474fc57bb9326febe93e81db) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (53b4f17be2ba60caaf2c72f1155f989b) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bae3126971852ccc8859af76b03a00f6) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d029f8ddc3ee68fd855f18835b3ca87d) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (27c6f8ab3f609b5fabc63f4fe34090e7) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Cannot serve slot request, no ResourceManager connected. Adding as pending request [SlotRequestId{1b2310fa91f9364da6b3611e39a362ef}]
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (63516d4bb7b62d8ace3da8ce44d10dc8) switched from CREATED to SCHEDULED.
[jobmanager-future-thread-1] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader akka://flink/user/jobmanager_41 , session=f870760f-b1f4-45d3-b7f4-9b47dac5b0d9
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Connecting to ResourceManager akka://flink/user/resourcemanager_ddad43fd-d4a6-4f0f-8afe-50356d6edb47(a49d2f632ee3a1c0950e3efaaf644204)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - Resolved ResourceManager address, beginning registration
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - Registration at ResourceManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registering job manager b7f49b47dac5b0d9f870760fb1f445d3@akka://flink/user/jobmanager_41 for job 620f7acd0ccc482941b618223fde0635.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registered job manager b7f49b47dac5b0d9f870760fb1f445d3@akka://flink/user/jobmanager_41 for job 620f7acd0ccc482941b618223fde0635.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - JobManager successfully registered at ResourceManager, leader id: a49d2f632ee3a1c0950e3efaaf644204.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Requesting new slot [SlotRequestId{1b2310fa91f9364da6b3611e39a362ef}] and profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} from resource manager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Request slot with profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} for job 620f7acd0ccc482941b618223fde0635 with allocation id AllocationID{95c49576a0926ee012c6316889c9bd88}.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Receive slot request AllocationID{95c49576a0926ee012c6316889c9bd88} for job 620f7acd0ccc482941b618223fde0635 from resource manager with leader id a49d2f632ee3a1c0950e3efaaf644204.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Allocated slot for AllocationID{95c49576a0926ee012c6316889c9bd88}.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Add job 620f7acd0ccc482941b618223fde0635 for job leader monitoring.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Try to register at job manager akka://flink/user/jobmanager_41 with leader id f870760f-b1f4-45d3-b7f4-9b47dac5b0d9.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Resolved JobManager address, beginning registration
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[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Successful registration at job manager akka://flink/user/jobmanager_41 for job 620f7acd0ccc482941b618223fde0635.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Establish JobManager connection for job 620f7acd0ccc482941b618223fde0635.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Offer reserved slots to the leader of job 620f7acd0ccc482941b618223fde0635.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Activate slot AllocationID{95c49576a0926ee012c6316889c9bd88}.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (53b4f17be2ba60caaf2c72f1155f989b) switched from SCHEDULED to DEPLOYING.
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[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bae3126971852ccc8859af76b03a00f6) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d029f8ddc3ee68fd855f18835b3ca87d) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (53b4f17be2ba60caaf2c72f1155f989b) switched from CREATED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (27c6f8ab3f609b5fabc63f4fe34090e7) switched from SCHEDULED to DEPLOYING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (53b4f17be2ba60caaf2c72f1155f989b) [DEPLOYING]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying ToKeyedWorkItem (1/1) (attempt #0) to localhost
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (53b4f17be2ba60caaf2c72f1155f989b) [DEPLOYING].
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (63516d4bb7b62d8ace3da8ce44d10dc8) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (53b4f17be2ba60caaf2c72f1155f989b) [DEPLOYING].
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (00c1e059474fc57bb9326febe93e81db) switched from CREATED to DEPLOYING.
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (00c1e059474fc57bb9326febe93e81db) [DEPLOYING]
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (00c1e059474fc57bb9326febe93e81db) [DEPLOYING].
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (00c1e059474fc57bb9326febe93e81db) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1).
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bae3126971852ccc8859af76b03a00f6) switched from CREATED to DEPLOYING.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bae3126971852ccc8859af76b03a00f6) [DEPLOYING]
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bae3126971852ccc8859af76b03a00f6) [DEPLOYING].
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bae3126971852ccc8859af76b03a00f6) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1).
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d029f8ddc3ee68fd855f18835b3ca87d) switched from CREATED to DEPLOYING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d029f8ddc3ee68fd855f18835b3ca87d) [DEPLOYING]
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d029f8ddc3ee68fd855f18835b3ca87d) [DEPLOYING].
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d029f8ddc3ee68fd855f18835b3ca87d) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task ToKeyedWorkItem (1/1).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (27c6f8ab3f609b5fabc63f4fe34090e7) switched from CREATED to DEPLOYING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task ToKeyedWorkItem (1/1) (27c6f8ab3f609b5fabc63f4fe34090e7) [DEPLOYING]
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task ToKeyedWorkItem (1/1) (27c6f8ab3f609b5fabc63f4fe34090e7) [DEPLOYING].
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: ToKeyedWorkItem (1/1) (27c6f8ab3f609b5fabc63f4fe34090e7) [DEPLOYING].
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bae3126971852ccc8859af76b03a00f6) switched from DEPLOYING to RUNNING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d029f8ddc3ee68fd855f18835b3ca87d) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bae3126971852ccc8859af76b03a00f6) switched from DEPLOYING to RUNNING.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d029f8ddc3ee68fd855f18835b3ca87d) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (53b4f17be2ba60caaf2c72f1155f989b) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (53b4f17be2ba60caaf2c72f1155f989b) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (00c1e059474fc57bb9326febe93e81db) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (00c1e059474fc57bb9326febe93e81db) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (63516d4bb7b62d8ace3da8ce44d10dc8) switched from CREATED to DEPLOYING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (63516d4bb7b62d8ace3da8ce44d10dc8) [DEPLOYING]
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (63516d4bb7b62d8ace3da8ce44d10dc8) [DEPLOYING].
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (63516d4bb7b62d8ace3da8ce44d10dc8) [DEPLOYING].
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (63516d4bb7b62d8ace3da8ce44d10dc8) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (27c6f8ab3f609b5fabc63f4fe34090e7) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (63516d4bb7b62d8ace3da8ce44d10dc8) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (27c6f8ab3f609b5fabc63f4fe34090e7) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] WARN org.apache.flink.metrics.MetricGroup - The operator name 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 exceeded the 80 characters length limit and was truncated.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] WARN org.apache.beam.runners.fnexecution.environment.DockerCommand - Unable to pull docker image jenkins-docker-apache.bintray.io/beam/python:latest, cause: Received exit code 1 for command 'docker pull jenkins-docker-apache.bintray.io/beam/python:latest'. stderr: Error response from daemon: unknown: Repo 'apache' was not found
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestN32uGf/job_8b17965a-4ac3-4ebf-9b1a-b26775df85f4/MANIFEST
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Loading manifest for retrieval token /tmp/flinktestN32uGf/job_8b17965a-4ac3-4ebf-9b1a-b26775df85f4/MANIFEST
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/flinktestN32uGf/job_8b17965a-4ac3-4ebf-9b1a-b26775df85f4/MANIFEST has 0 artifact locations
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestN32uGf/job_8b17965a-4ac3-4ebf-9b1a-b26775df85f4/MANIFEST -> 0 artifacts
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Beam Fn Logging client connected.
[grpc-default-executor-0] INFO sdk_worker_main.main - Logging handler created.
[grpc-default-executor-0] INFO sdk_worker_main.start - Status HTTP server running at localhost:43371
[grpc-default-executor-0] INFO sdk_worker_main.main - semi_persistent_directory: /tmp
[grpc-default-executor-0] WARN sdk_worker_main._load_main_session - No session file found: /tmp/staged/pickled_main_session. Functions defined in __main__ (interactive session) may fail. 
[grpc-default-executor-0] INFO pipeline_options.get_all_options - Parsing unknown args: [u'--direct_runner_use_stacked_bundle', u'--options_id=21', u'--pipeline_type_check', u'--sdk_worker_parallelism=1']
[grpc-default-executor-0] INFO sdk_worker_main.main - Python sdk harness started with pipeline_options: {'runner': u'None', 'streaming': True, 'experiments': [u'beam_fn_api'], 'sdk_location': u'container', 'flink_master': '[auto]', 'direct_runner_use_stacked_bundle': None, 'sdk_worker_parallelism': u'1', 'job_name': u'test_windowing_1542953493.79', 'options_id': u'21', 'pipeline_type_check': None, 'parallelism': 1, 'job_endpoint': u'localhost:60783'}
[grpc-default-executor-0] INFO sdk_worker.__init__ - Creating insecure control channel.
[grpc-default-executor-0] INFO sdk_worker.__init__ - Control channel established.
[grpc-default-executor-0] INFO sdk_worker.__init__ - Initializing SDKHarness with 12 workers.
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.control.FnApiControlClientPoolService - Beam Fn Control client connected with id 1
[grpc-default-executor-0] INFO sdk_worker.create_state_handler - Creating channel for localhost:34005
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:1:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_4:0 
[grpc-default-executor-0] INFO data_plane.create_data_channel - Creating channel for localhost:42201
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.data.GrpcDataService - Beam Fn Data client connected.
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_1:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_17:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_12:0 
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (53b4f17be2ba60caaf2c72f1155f989b) switched from RUNNING to FINISHED.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (53b4f17be2ba60caaf2c72f1155f989b).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (53b4f17be2ba60caaf2c72f1155f989b) [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 Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 53b4f17be2ba60caaf2c72f1155f989b.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (53b4f17be2ba60caaf2c72f1155f989b) switched from RUNNING to FINISHED.
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (00c1e059474fc57bb9326febe93e81db) switched from RUNNING to FINISHED.
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (00c1e059474fc57bb9326febe93e81db).
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (00c1e059474fc57bb9326febe93e81db) [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 Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 00c1e059474fc57bb9326febe93e81db.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (00c1e059474fc57bb9326febe93e81db) 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_7:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:0:0 
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bae3126971852ccc8859af76b03a00f6) switched from RUNNING to FINISHED.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bae3126971852ccc8859af76b03a00f6).
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bae3126971852ccc8859af76b03a00f6) [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 Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem bae3126971852ccc8859af76b03a00f6.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (bae3126971852ccc8859af76b03a00f6) 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_15:0 
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d029f8ddc3ee68fd855f18835b3ca87d) switched from RUNNING to FINISHED.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d029f8ddc3ee68fd855f18835b3ca87d).
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d029f8ddc3ee68fd855f18835b3ca87d) [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 GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 d029f8ddc3ee68fd855f18835b3ca87d.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (27c6f8ab3f609b5fabc63f4fe34090e7) switched from RUNNING to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for ToKeyedWorkItem (1/1) (27c6f8ab3f609b5fabc63f4fe34090e7).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) (27c6f8ab3f609b5fabc63f4fe34090e7) [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 ToKeyedWorkItem 27c6f8ab3f609b5fabc63f4fe34090e7.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d029f8ddc3ee68fd855f18835b3ca87d) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (27c6f8ab3f609b5fabc63f4fe34090e7) 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 
[grpc-default-executor-0] INFO sdk_worker.run - No more requests from control plane
[grpc-default-executor-0] INFO sdk_worker.run - SDK Harness waiting for in-flight requests to complete
[grpc-default-executor-0] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[grpc-default-executor-1] INFO data_plane.close - Closing all cached grpc data channels.
[grpc-default-executor-1] INFO sdk_worker.close - Closing all cached gRPC state handlers.
[grpc-default-executor-1] INFO sdk_worker.run - Done consuming work.
[grpc-default-executor-1] INFO sdk_worker_main.main - Python sdk harness exiting.
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Logging client hanged up.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (63516d4bb7b62d8ace3da8ce44d10dc8) switched from RUNNING to FINISHED.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (63516d4bb7b62d8ace3da8ce44d10dc8).
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (63516d4bb7b62d8ace3da8ce44d10dc8) [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 assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 63516d4bb7b62d8ace3da8ce44d10dc8.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (63516d4bb7b62d8ace3da8ce44d10dc8) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1542953493.79 (620f7acd0ccc482941b618223fde0635) switched from state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint coordinator for job 620f7acd0ccc482941b618223fde0635.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - Shutting down
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 620f7acd0ccc482941b618223fde0635 reached globally terminal state FINISHED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job test_windowing_1542953493.79(620f7acd0ccc482941b618223fde0635).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job 620f7acd0ccc482941b618223fde0635.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection a35245dc35062893274da24a932aa494: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcActor - The rpc endpoint org.apache.flink.runtime.jobmaster.slotpool.SlotPool has not been started yet. Discarding message org.apache.flink.runtime.rpc.messages.LocalRpcInvocation until processing is started.
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Shutting down Flink Mini Cluster
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect job manager b7f49b47dac5b0d9f870760fb1f445d3@akka://flink/user/jobmanager_41 for job 620f7acd0ccc482941b618223fde0635 from the resource manager.
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shutting down rest endpoint.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher akka://flink/user/dispatcher0694e560-421d-4c2d-be80-30b6e0f34ae5.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all currently running jobs of dispatcher akka://flink/user/dispatcher0694e560-421d-4c2d-be80-30b6e0f34ae5.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing the SlotManager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending the SlotManager.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - JobManager for job 620f7acd0ccc482941b618223fde0635 with leader id b7f49b47dac5b0d9f870760fb1f445d3 lost leadership.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot TaskSlot(index:0, state:ALLOCATED, resource profile: ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: AllocationID{95c49576a0926ee012c6316889c9bd88}, jobId: 620f7acd0ccc482941b618223fde0635).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Remove job 620f7acd0ccc482941b618223fde0635 from job leader monitoring.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job 620f7acd0ccc482941b618223fde0635.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.rest.handler.legacy.backpressure.StackTraceSampleCoordinator - Shutting down stack trace sample coordinator.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor akka://flink/user/taskmanager_40.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher akka://flink/user/dispatcher0694e560-421d-4c2d-be80-30b6e0f34ae5.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed spill file directory /tmp/flink-io-ccb89477-4892-460a-9b9b-596e997b05c6
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the network environment and its components.
[ForkJoinPool.commonPool-worker-11] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache directory /tmp/flink-web-ui
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader service.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor akka://flink/user/taskmanager_40.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:41503
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopped Akka RPC service.
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - Execution finished in 2048 msecs
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - Final accumulator values:
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - __metricscontainers : org.apache.beam.runners.core.metrics.MetricsContainerStepMap@b8f9b8b2
INFO:root:Job state changed to DONE
.
----------------------------------------------------------------------
Ran 26 tests in 86.030s

OK (skipped=7)
:beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER (Thread[Task worker for ':' Thread 10,5,main]) completed. Took 1 mins 28.056 secs.

FAILURE: Build failed with an exception.

* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/ws/src/sdks/python/build.gradle'> line: 390

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

* Try:
Run with --stacktrace option to get the stack trace. Run with --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 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/4.10.2/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 11m 29s
59 actionable tasks: 54 executed, 4 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/vfiq2j4aa5tu6

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

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