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[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - http://localhost:36465 was granted leadership with leaderSessionID=f5dc0239-a150-462a-8e93-f7bdd782a0b3
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader http://localhost:36465 , session=f5dc0239-a150-462a-8e93-f7bdd782a0b3
[flink-runner-job-server] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.dispatcher.StandaloneDispatcher@478b187b @ akka://flink/user/dispatcher4272881f-aae9-48f9-927e-a85bbe8ad14a
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Flink Mini Cluster started successfully
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Dispatcher akka://flink/user/dispatcher4272881f-aae9-48f9-927e-a85bbe8ad14a was granted leadership with fencing token 4f786a43-d232-4598-a949-f384077f6e0c
[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/dispatcher4272881f-aae9-48f9-927e-a85bbe8ad14a , session=4f786a43-d232-4598-a949-f384077f6e0c
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Submitting job 3058a86afbd710b2cf31cfc98947e983 (test_windowing_1541247076.17).
[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_1541247076.17 (3058a86afbd710b2cf31cfc98947e983).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Using restart strategy NoRestartStrategy for test_windowing_1541247076.17 (3058a86afbd710b2cf31cfc98947e983).
[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/26479b01-6ac3-454a-b570-4ed20ab78045 .
[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_1541247076.17 (3058a86afbd710b2cf31cfc98947e983).
[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@6148a62f @ akka://flink/user/jobmanager_41
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobManagerRunner - JobManager runner for job test_windowing_1541247076.17 (3058a86afbd710b2cf31cfc98947e983) was granted leadership with session id a0dd655a-3c88-4656-920e-11557308c906 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_1541247076.17 (3058a86afbd710b2cf31cfc98947e983)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1541247076.17 (3058a86afbd710b2cf31cfc98947e983) 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) (e353f8beb557902ad4570959e326ab95) 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) (42a7050692af5fb34d1f8708325cd65f) 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) (556147521b869e97cbce215cce349d27) 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{8ae5f0cae48e02c57861195e7e208e23}]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (73385ad72498c3b267abb8d1a3425976) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (508c8d446e937945607ce7756ff360d9) 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) (066eb7e572bf94e0c6135ab7b9b82f26) 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=a0dd655a-3c88-4656-920e-11557308c906
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Connecting to ResourceManager akka://flink/user/resourcemanager_b24bba9c-bef0-4215-a6e5-c1f5c03b5cc4(a5a141aee52ea53c168687533fec4809)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Resolved ResourceManager address, beginning registration
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Registration at ResourceManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registering job manager 920e11557308c906a0dd655a3c884656@akka://flink/user/jobmanager_41 for job 3058a86afbd710b2cf31cfc98947e983.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registered job manager 920e11557308c906a0dd655a3c884656@akka://flink/user/jobmanager_41 for job 3058a86afbd710b2cf31cfc98947e983.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - JobManager successfully registered at ResourceManager, leader id: a5a141aee52ea53c168687533fec4809.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Requesting new slot [SlotRequestId{8ae5f0cae48e02c57861195e7e208e23}] and profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} from resource manager.
[flink-akka.actor.default-dispatcher-2] 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 3058a86afbd710b2cf31cfc98947e983 with allocation id AllocationID{8e91cda889c29bc0631815d7e29d24a7}.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Receive slot request AllocationID{8e91cda889c29bc0631815d7e29d24a7} for job 3058a86afbd710b2cf31cfc98947e983 from resource manager with leader id a5a141aee52ea53c168687533fec4809.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Allocated slot for AllocationID{8e91cda889c29bc0631815d7e29d24a7}.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Add job 3058a86afbd710b2cf31cfc98947e983 for job leader monitoring.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Try to register at job manager akka://flink/user/jobmanager_41 with leader id a0dd655a-3c88-4656-920e-11557308c906.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Resolved JobManager address, beginning registration
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Registration at JobManager attempt 1 (timeout=100ms)
[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 3058a86afbd710b2cf31cfc98947e983.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Establish JobManager connection for job 3058a86afbd710b2cf31cfc98947e983.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Offer reserved slots to the leader of job 3058a86afbd710b2cf31cfc98947e983.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Activate slot AllocationID{8e91cda889c29bc0631815d7e29d24a7}.
[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) (42a7050692af5fb34d1f8708325cd65f) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-2] 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-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (e353f8beb557902ad4570959e326ab95) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-2] 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-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) (556147521b869e97cbce215cce349d27) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-2] 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-4] 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-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (73385ad72498c3b267abb8d1a3425976) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-2] 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) (42a7050692af5fb34d1f8708325cd65f) 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) (42a7050692af5fb34d1f8708325cd65f) [DEPLOYING]
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (508c8d446e937945607ce7756ff360d9) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-4] 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) (42a7050692af5fb34d1f8708325cd65f) [DEPLOYING].
[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) (066eb7e572bf94e0c6135ab7b9b82f26) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-2] 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
[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) (e353f8beb557902ad4570959e326ab95) 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 - Registering task at network: Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (42a7050692af5fb34d1f8708325cd65f) [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) (e353f8beb557902ad4570959e326ab95) [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) (e353f8beb557902ad4570959e326ab95) [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) (e353f8beb557902ad4570959e326ab95) [DEPLOYING].
[flink-akka.actor.default-dispatcher-4] 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) (556147521b869e97cbce215cce349d27) 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) (556147521b869e97cbce215cce349d27) [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) (556147521b869e97cbce215cce349d27) [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) (556147521b869e97cbce215cce349d27) [DEPLOYING].
[flink-akka.actor.default-dispatcher-4] 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) (73385ad72498c3b267abb8d1a3425976) 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) (73385ad72498c3b267abb8d1a3425976) [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) (73385ad72498c3b267abb8d1a3425976) [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) (73385ad72498c3b267abb8d1a3425976) [DEPLOYING].
[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) (73385ad72498c3b267abb8d1a3425976) 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) (556147521b869e97cbce215cce349d27) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (73385ad72498c3b267abb8d1a3425976) 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-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) (556147521b869e97cbce215cce349d27) 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)
[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) (42a7050692af5fb34d1f8708325cd65f) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task ToKeyedWorkItem (1/1).
[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) (42a7050692af5fb34d1f8708325cd65f) 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) (e353f8beb557902ad4570959e326ab95) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (508c8d446e937945607ce7756ff360d9) 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) (508c8d446e937945607ce7756ff360d9) [DEPLOYING]
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task ToKeyedWorkItem (1/1) (508c8d446e937945607ce7756ff360d9) [DEPLOYING].
[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) (e353f8beb557902ad4570959e326ab95) 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)
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: ToKeyedWorkItem (1/1) (508c8d446e937945607ce7756ff360d9) [DEPLOYING].
[flink-akka.actor.default-dispatcher-4] 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).
[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) (066eb7e572bf94e0c6135ab7b9b82f26) 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) (066eb7e572bf94e0c6135ab7b9b82f26) [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) (066eb7e572bf94e0c6135ab7b9b82f26) [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) (066eb7e572bf94e0c6135ab7b9b82f26) [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) (066eb7e572bf94e0c6135ab7b9b82f26) switched from DEPLOYING to RUNNING.
[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) (066eb7e572bf94e0c6135ab7b9b82f26) 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.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (508c8d446e937945607ce7756ff360d9) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (508c8d446e937945607ce7756ff360d9) 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)
[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.
[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.
[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.
[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-2] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestz73osT/job_d80d9c0f-8478-4501-8e8a-8ced3709dc3d/MANIFEST
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Loading manifest for retrieval token /tmp/flinktestz73osT/job_d80d9c0f-8478-4501-8e8a-8ced3709dc3d/MANIFEST
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/flinktestz73osT/job_d80d9c0f-8478-4501-8e8a-8ced3709dc3d/MANIFEST has 0 artifact locations
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestz73osT/job_d80d9c0f-8478-4501-8e8a-8ced3709dc3d/MANIFEST -> 0 artifacts
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Beam Fn Logging client connected.
[grpc-default-executor-2] INFO sdk_worker_main.main - Logging handler created.
[grpc-default-executor-2] INFO sdk_worker_main.start - Status HTTP server running at localhost:40925
[grpc-default-executor-2] INFO sdk_worker_main.main - semi_persistent_directory: /tmp
[grpc-default-executor-2] 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-2] 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-2] 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_1541247076.17', 'options_id': u'21', 'pipeline_type_check': None, 'parallelism': 1, 'job_endpoint': u'localhost:36205'}
[grpc-default-executor-2] INFO sdk_worker.__init__ - Creating insecure control channel.
[grpc-default-executor-2] INFO sdk_worker.__init__ - Control channel established.
[grpc-default-executor-2] INFO sdk_worker.__init__ - Initializing SDKHarness with 12 workers.
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.control.FnApiControlClientPoolService - Beam Fn Control client connected with id 1
[grpc-default-executor-2] INFO sdk_worker.create_state_handler - Creating channel for localhost:40493
[grpc-default-executor-2] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_4:0 
[grpc-default-executor-2] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:1:0 
[grpc-default-executor-2] INFO data_plane.create_data_channel - Creating channel for localhost:41625
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.data.GrpcDataService - Beam Fn Data client connected.
[grpc-default-executor-2] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_17:0 
[grpc-default-executor-2] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_1:0 
[grpc-default-executor-2] 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) (42a7050692af5fb34d1f8708325cd65f) 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) (42a7050692af5fb34d1f8708325cd65f).
[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) (42a7050692af5fb34d1f8708325cd65f) [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 -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 42a7050692af5fb34d1f8708325cd65f.
[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) (42a7050692af5fb34d1f8708325cd65f) 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) (e353f8beb557902ad4570959e326ab95) 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) (e353f8beb557902ad4570959e326ab95).
[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) (e353f8beb557902ad4570959e326ab95) [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 e353f8beb557902ad4570959e326ab95.
[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) (e353f8beb557902ad4570959e326ab95) switched from RUNNING to FINISHED.
[grpc-default-executor-2] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_7:0 
[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) (556147521b869e97cbce215cce349d27) 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) (556147521b869e97cbce215cce349d27).
[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) (556147521b869e97cbce215cce349d27) [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 Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 556147521b869e97cbce215cce349d27.
[flink-akka.actor.default-dispatcher-4] 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) (556147521b869e97cbce215cce349d27) switched from RUNNING to FINISHED.
[grpc-default-executor-2] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:0:0 
[grpc-default-executor-2] 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) (73385ad72498c3b267abb8d1a3425976) 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) (73385ad72498c3b267abb8d1a3425976).
[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) (73385ad72498c3b267abb8d1a3425976) [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 GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 73385ad72498c3b267abb8d1a3425976.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (508c8d446e937945607ce7756ff360d9) switched from RUNNING to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for ToKeyedWorkItem (1/1) (508c8d446e937945607ce7756ff360d9).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) (508c8d446e937945607ce7756ff360d9) [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 ToKeyedWorkItem 508c8d446e937945607ce7756ff360d9.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (73385ad72498c3b267abb8d1a3425976) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (508c8d446e937945607ce7756ff360d9) switched from RUNNING to FINISHED.
[grpc-default-executor-2] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_27:0 
[grpc-default-executor-2] INFO sdk_worker.run - No more requests from control plane
[grpc-default-executor-2] INFO sdk_worker.run - SDK Harness waiting for in-flight requests to complete
[grpc-default-executor-2] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[grpc-default-executor-2] INFO data_plane.close - Closing all cached grpc data channels.
[grpc-default-executor-2] INFO sdk_worker.close - Closing all cached gRPC state handlers.
[grpc-default-executor-2] INFO sdk_worker.run - Done consuming work.
[grpc-default-executor-2] INFO sdk_worker_main.main - Python sdk harness exiting.
[grpc-default-executor-2] 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) (066eb7e572bf94e0c6135ab7b9b82f26) 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) (066eb7e572bf94e0c6135ab7b9b82f26).
[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) (066eb7e572bf94e0c6135ab7b9b82f26) [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 066eb7e572bf94e0c6135ab7b9b82f26.
[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) (066eb7e572bf94e0c6135ab7b9b82f26) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1541247076.17 (3058a86afbd710b2cf31cfc98947e983) switched from state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint coordinator for job 3058a86afbd710b2cf31cfc98947e983.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - Shutting down
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 3058a86afbd710b2cf31cfc98947e983 reached globally terminal state FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job test_windowing_1541247076.17(3058a86afbd710b2cf31cfc98947e983).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection 23f62296290e21ad55effaeda2e434e9: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-3] 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-3] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect job manager 920e11557308c906a0dd655a3c884656@akka://flink/user/jobmanager_41 for job 3058a86afbd710b2cf31cfc98947e983 from the resource manager.
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shutting down rest endpoint.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job 3058a86afbd710b2cf31cfc98947e983.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher akka://flink/user/dispatcher4272881f-aae9-48f9-927e-a85bbe8ad14a.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all currently running jobs of dispatcher akka://flink/user/dispatcher4272881f-aae9-48f9-927e-a85bbe8ad14a.
[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.resourcemanager.slotmanager.SlotManager - Closing the SlotManager.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending the SlotManager.
[flink-akka.actor.default-dispatcher-4] 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{8e91cda889c29bc0631815d7e29d24a7}, jobId: 3058a86afbd710b2cf31cfc98947e983).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Unregister TaskManager 658b7ff35a3792a81395ffc00253a19d from the SlotManager.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - JobManager for job 3058a86afbd710b2cf31cfc98947e983 with leader id 920e11557308c906a0dd655a3c884656 lost leadership.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Remove job 3058a86afbd710b2cf31cfc98947e983 from job leader monitoring.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job 3058a86afbd710b2cf31cfc98947e983.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor akka://flink/user/taskmanager_40.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed spill file directory /tmp/flink-io-67901300-7a4b-4bca-9115-3309727e381a
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the network environment and its components.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader service.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.rest.handler.legacy.backpressure.StackTraceSampleCoordinator - Shutting down stack trace sample coordinator.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor akka://flink/user/taskmanager_40.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher akka://flink/user/dispatcher4272881f-aae9-48f9-927e-a85bbe8ad14a.
[ForkJoinPool.commonPool-worker-9] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache directory /tmp/flink-web-ui
[ForkJoinPool.commonPool-worker-9] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:40317
[flink-akka.actor.default-dispatcher-5] 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 1946 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@ca336d98
.
----------------------------------------------------------------------
Ran 26 tests in 77.546s

OK (skipped=7)
:beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER (Thread[Task worker for ':' Thread 7,5,main]) completed. Took 1 mins 19.558 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: 418

* 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 8s
60 actionable tasks: 55 executed, 4 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/gt36xpxshrbew

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

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