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[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Rest endpoint listening at localhost:33103
[flink-runner-job-server] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint@1e95acea @ http://localhost:33103
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Starting job dispatcher(s) for JobManger
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - http://localhost:33103 was granted leadership with leaderSessionID=3894623e-24de-4dc3-9e0a-31e0fe1aab82
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader http://localhost:33103 , session=3894623e-24de-4dc3-9e0a-31e0fe1aab82
[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/dispatcher73c64c47-de46-47cc-9db4-d114d42aa34e .
[flink-runner-job-server] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.dispatcher.StandaloneDispatcher@56be0e6e @ akka://flink/user/dispatcher73c64c47-de46-47cc-9db4-d114d42aa34e
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Flink Mini Cluster started successfully
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Dispatcher akka://flink/user/dispatcher73c64c47-de46-47cc-9db4-d114d42aa34e was granted leadership with fencing token 93e31a5e-960e-4f07-83f9-bc331f183e09
[flink-akka.actor.default-dispatcher-2] 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/dispatcher73c64c47-de46-47cc-9db4-d114d42aa34e , session=93e31a5e-960e-4f07-83f9-bc331f183e09
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Submitting job c90a93085ebc2c8edcb18eb2c8225348 (test_windowing_1542197522.23).
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.jobmaster.JobMaster at akka://flink/user/jobmanager_39 .
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Initializing job test_windowing_1542197522.23 (c90a93085ebc2c8edcb18eb2c8225348).
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Using restart strategy NoRestartStrategy for test_windowing_1542197522.23 (c90a93085ebc2c8edcb18eb2c8225348).
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.jobmaster.slotpool.SlotPool at akka://flink/user/d2a1a7ac-fbdc-44bb-a9c7-8c464967653b .
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job recovers via failover strategy: full graph restart
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Running initialization on master for job test_windowing_1542197522.23 (c90a93085ebc2c8edcb18eb2c8225348).
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Successfully ran initialization on master in 0 ms.
[flink-akka.actor.default-dispatcher-4] 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-4] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.jobmaster.JobManagerRunner@6bfd2c83 @ akka://flink/user/jobmanager_39
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobManagerRunner - JobManager runner for job test_windowing_1542197522.23 (c90a93085ebc2c8edcb18eb2c8225348) was granted leadership with session id e700a5d5-025e-47c3-a108-3a9560bef159 at akka://flink/user/jobmanager_39.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Starting execution of job test_windowing_1542197522.23 (c90a93085ebc2c8edcb18eb2c8225348)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1542197522.23 (c90a93085ebc2c8edcb18eb2c8225348) switched from state CREATED to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (a81db54a55ae57541afb88ae8775fa24) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (89007bc703768375d84e985fb84465c0) switched from CREATED to SCHEDULED.
[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) (4a9bd2d2a31c2c2862efe1eeaf827c25) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (fba4127f06fe99e493943a07b875a2a3) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (808a7701411290762bd3702159041c00) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Cannot serve slot request, no ResourceManager connected. Adding as pending request [SlotRequestId{07c3e71755a566eb874124ee8ddd94aa}]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (dcd724916070c51db63d75c9a4e1008e) 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_39 , session=e700a5d5-025e-47c3-a108-3a9560bef159
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Connecting to ResourceManager akka://flink/user/resourcemanager_4e26436e-3c98-4ead-b8b6-334cb3695679(8c7388993b9c1f1a8b886e42d0614f89)
[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-3] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registering job manager a1083a9560bef159e700a5d5025e47c3@akka://flink/user/jobmanager_39 for job c90a93085ebc2c8edcb18eb2c8225348.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registered job manager a1083a9560bef159e700a5d5025e47c3@akka://flink/user/jobmanager_39 for job c90a93085ebc2c8edcb18eb2c8225348.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - JobManager successfully registered at ResourceManager, leader id: 8c7388993b9c1f1a8b886e42d0614f89.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Requesting new slot [SlotRequestId{07c3e71755a566eb874124ee8ddd94aa}] and profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} from resource manager.
[flink-akka.actor.default-dispatcher-3] 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 c90a93085ebc2c8edcb18eb2c8225348 with allocation id AllocationID{28e86b3a3825df3faf9106414f669080}.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Receive slot request AllocationID{28e86b3a3825df3faf9106414f669080} for job c90a93085ebc2c8edcb18eb2c8225348 from resource manager with leader id 8c7388993b9c1f1a8b886e42d0614f89.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Allocated slot for AllocationID{28e86b3a3825df3faf9106414f669080}.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Add job c90a93085ebc2c8edcb18eb2c8225348 for job leader monitoring.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Try to register at job manager akka://flink/user/jobmanager_39 with leader id e700a5d5-025e-47c3-a108-3a9560bef159.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Resolved JobManager address, beginning registration
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Registration at JobManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Successful registration at job manager akka://flink/user/jobmanager_39 for job c90a93085ebc2c8edcb18eb2c8225348.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Establish JobManager connection for job c90a93085ebc2c8edcb18eb2c8225348.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Offer reserved slots to the leader of job c90a93085ebc2c8edcb18eb2c8225348.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Activate slot AllocationID{28e86b3a3825df3faf9106414f669080}.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (89007bc703768375d84e985fb84465c0) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] 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-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (a81db54a55ae57541afb88ae8775fa24) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] 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-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) (4a9bd2d2a31c2c2862efe1eeaf827c25) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] 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-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (fba4127f06fe99e493943a07b875a2a3) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] 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) (89007bc703768375d84e985fb84465c0) 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) (89007bc703768375d84e985fb84465c0) [DEPLOYING]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (808a7701411290762bd3702159041c00) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] 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) (89007bc703768375d84e985fb84465c0) [DEPLOYING].
[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).
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (dcd724916070c51db63d75c9a4e1008e) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] 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 -> 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) (89007bc703768375d84e985fb84465c0) [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) (a81db54a55ae57541afb88ae8775fa24) 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) (a81db54a55ae57541afb88ae8775fa24) [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) (a81db54a55ae57541afb88ae8775fa24) [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) (a81db54a55ae57541afb88ae8775fa24) [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) (4a9bd2d2a31c2c2862efe1eeaf827c25) 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) (4a9bd2d2a31c2c2862efe1eeaf827c25) [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) (4a9bd2d2a31c2c2862efe1eeaf827c25) [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) (4a9bd2d2a31c2c2862efe1eeaf827c25) [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) (fba4127f06fe99e493943a07b875a2a3) 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) (fba4127f06fe99e493943a07b875a2a3) [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) (fba4127f06fe99e493943a07b875a2a3) [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) (fba4127f06fe99e493943a07b875a2a3) [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) (808a7701411290762bd3702159041c00) 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) (808a7701411290762bd3702159041c00) [DEPLOYING]
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task ToKeyedWorkItem (1/1) (808a7701411290762bd3702159041c00) [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) (a81db54a55ae57541afb88ae8775fa24) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: ToKeyedWorkItem (1/1) (808a7701411290762bd3702159041c00) [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-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (a81db54a55ae57541afb88ae8775fa24) 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) (89007bc703768375d84e985fb84465c0) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (89007bc703768375d84e985fb84465c0) 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)
[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) (fba4127f06fe99e493943a07b875a2a3) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (fba4127f06fe99e493943a07b875a2a3) 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)
[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) (4a9bd2d2a31c2c2862efe1eeaf827c25) 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-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) (4a9bd2d2a31c2c2862efe1eeaf827c25) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (808a7701411290762bd3702159041c00) 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.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 - ToKeyedWorkItem (1/1) (808a7701411290762bd3702159041c00) 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) (dcd724916070c51db63d75c9a4e1008e) 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) (dcd724916070c51db63d75c9a4e1008e) [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) (dcd724916070c51db63d75c9a4e1008e) [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) (dcd724916070c51db63d75c9a4e1008e) [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) (dcd724916070c51db63d75c9a4e1008e) 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) (dcd724916070c51db63d75c9a4e1008e) 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)
[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.
[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.
[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-2] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestOjsvbh/job_155350f0-2254-4bf4-9d1d-a1756e6c7e07/MANIFEST
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Loading manifest for retrieval token /tmp/flinktestOjsvbh/job_155350f0-2254-4bf4-9d1d-a1756e6c7e07/MANIFEST
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/flinktestOjsvbh/job_155350f0-2254-4bf4-9d1d-a1756e6c7e07/MANIFEST has 0 artifact locations
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestOjsvbh/job_155350f0-2254-4bf4-9d1d-a1756e6c7e07/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:39393
[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=20', 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_1542197522.23', 'options_id': u'20', 'pipeline_type_check': None, 'parallelism': 1, 'job_endpoint': u'localhost:39337'}
[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-1] INFO sdk_worker.create_state_handler - Creating channel for localhost:46451
[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] INFO data_plane.create_data_channel - Creating channel for localhost:40791
[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 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_1:0 
[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/write/ref_PCollection_PCollection_12:0 
[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) (a81db54a55ae57541afb88ae8775fa24) 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) (a81db54a55ae57541afb88ae8775fa24).
[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) (a81db54a55ae57541afb88ae8775fa24) [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 Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem a81db54a55ae57541afb88ae8775fa24.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (a81db54a55ae57541afb88ae8775fa24) 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 - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (89007bc703768375d84e985fb84465c0) 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) (89007bc703768375d84e985fb84465c0).
[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) (89007bc703768375d84e985fb84465c0) [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 89007bc703768375d84e985fb84465c0.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (89007bc703768375d84e985fb84465c0) 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 
[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) (4a9bd2d2a31c2c2862efe1eeaf827c25) 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) (4a9bd2d2a31c2c2862efe1eeaf827c25).
[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) (4a9bd2d2a31c2c2862efe1eeaf827c25) [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 Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 4a9bd2d2a31c2c2862efe1eeaf827c25.
[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) (4a9bd2d2a31c2c2862efe1eeaf827c25) 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) (fba4127f06fe99e493943a07b875a2a3) switched from RUNNING to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (808a7701411290762bd3702159041c00) switched from RUNNING to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for ToKeyedWorkItem (1/1) (808a7701411290762bd3702159041c00).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) (808a7701411290762bd3702159041c00) [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 ToKeyedWorkItem 808a7701411290762bd3702159041c00.
[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) (fba4127f06fe99e493943a07b875a2a3).
[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) (fba4127f06fe99e493943a07b875a2a3) [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 fba4127f06fe99e493943a07b875a2a3.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (808a7701411290762bd3702159041c00) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (fba4127f06fe99e493943a07b875a2a3) 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] 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) (dcd724916070c51db63d75c9a4e1008e) 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) (dcd724916070c51db63d75c9a4e1008e).
[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) (dcd724916070c51db63d75c9a4e1008e) [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 assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 dcd724916070c51db63d75c9a4e1008e.
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[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - Execution finished in 2138 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@64a76019
INFO:root:Job state changed to DONE
.
----------------------------------------------------------------------
Ran 26 tests in 78.968s

OK (skipped=8)
:beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER (Thread[Task worker for ':',5,main]) completed. Took 1 mins 23.638 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 50s
60 actionable tasks: 51 executed, 8 from cache, 1 up-to-date

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

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

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Build failed in Jenkins: beam_PostCommit_Python_VR_Flink #748

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Changes:

[echauchot] [BEAM-5813] wait for the refresh of ES indices in all test utils that do

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[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (3b451cb57656a95b9c5981ab885ee0c0) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (c0d20c813c60fad70d154e21bb6283f6) switched from CREATED to SCHEDULED.
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[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (99a506e417e3b22c7fadfe27d79e6583) switched from CREATED to SCHEDULED.
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[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (b01b01082798c53a332f4add28f55968) switched from CREATED to SCHEDULED.
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[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Connecting to ResourceManager akka://flink/user/resourcemanager_fee8fea5-bd5e-41cf-8451-07a8083fe019(9ada1a47dbe8c64df4d61d2da10e494d)
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[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registered job manager a67111c9a5c5bc8157a2b8d3c05a4e22@akka://flink/user/jobmanager_39 for job 51f5cc3fcda3966434bec749d130d078.
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[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).
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[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) (c0d20c813c60fad70d154e21bb6283f6) 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) (c0d20c813c60fad70d154e21bb6283f6) [DEPLOYING]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (81a83f3f5b98193aa4c43ce2f4773731) switched from SCHEDULED to DEPLOYING.
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[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) (c0d20c813c60fad70d154e21bb6283f6) [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) (b01b01082798c53a332f4add28f55968) 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
[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) (3b451cb57656a95b9c5981ab885ee0c0) 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) (3b451cb57656a95b9c5981ab885ee0c0) [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) (3b451cb57656a95b9c5981ab885ee0c0) [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) (c0d20c813c60fad70d154e21bb6283f6) [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) (3b451cb57656a95b9c5981ab885ee0c0) [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) (572f03bb33df1d7c79c2dd29ed3f6f6c) 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) (572f03bb33df1d7c79c2dd29ed3f6f6c) [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) (572f03bb33df1d7c79c2dd29ed3f6f6c) [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) (572f03bb33df1d7c79c2dd29ed3f6f6c) [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) (99a506e417e3b22c7fadfe27d79e6583) 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) (99a506e417e3b22c7fadfe27d79e6583) [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) (99a506e417e3b22c7fadfe27d79e6583) [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) (99a506e417e3b22c7fadfe27d79e6583) [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) (81a83f3f5b98193aa4c43ce2f4773731) 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) (81a83f3f5b98193aa4c43ce2f4773731) [DEPLOYING]
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task ToKeyedWorkItem (1/1) (81a83f3f5b98193aa4c43ce2f4773731) [DEPLOYING].
[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) (c0d20c813c60fad70d154e21bb6283f6) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: ToKeyedWorkItem (1/1) (81a83f3f5b98193aa4c43ce2f4773731) [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) (572f03bb33df1d7c79c2dd29ed3f6f6c) 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) (c0d20c813c60fad70d154e21bb6283f6) 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) (3b451cb57656a95b9c5981ab885ee0c0) switched from DEPLOYING to RUNNING.
[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) (572f03bb33df1d7c79c2dd29ed3f6f6c) 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 -> 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-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (3b451cb57656a95b9c5981ab885ee0c0) 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).
[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) (99a506e417e3b22c7fadfe27d79e6583) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (99a506e417e3b22c7fadfe27d79e6583) 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)
[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) (b01b01082798c53a332f4add28f55968) 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) (b01b01082798c53a332f4add28f55968) [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) (b01b01082798c53a332f4add28f55968) [DEPLOYING].
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (81a83f3f5b98193aa4c43ce2f4773731) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (81a83f3f5b98193aa4c43ce2f4773731) 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)
[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) (b01b01082798c53a332f4add28f55968) [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) (b01b01082798c53a332f4add28f55968) 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)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (b01b01082798c53a332f4add28f55968) 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.
[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.
[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-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestEnaiSf/job_3dfee536-edf4-4953-b542-5ac92ca60be4/MANIFEST
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Loading manifest for retrieval token /tmp/flinktestEnaiSf/job_3dfee536-edf4-4953-b542-5ac92ca60be4/MANIFEST
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/flinktestEnaiSf/job_3dfee536-edf4-4953-b542-5ac92ca60be4/MANIFEST has 0 artifact locations
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestEnaiSf/job_3dfee536-edf4-4953-b542-5ac92ca60be4/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:38301
[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=20', 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_1542212500.06', 'options_id': u'20', 'pipeline_type_check': None, 'parallelism': 1, 'job_endpoint': u'localhost:45925'}
[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:40429
[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] INFO org.apache.beam.runners.fnexecution.data.GrpcDataService - Beam Fn Data client connected.
[grpc-default-executor-1] INFO data_plane.create_data_channel - Creating channel for localhost:42523
[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_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) (c0d20c813c60fad70d154e21bb6283f6) 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) (c0d20c813c60fad70d154e21bb6283f6).
[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) (c0d20c813c60fad70d154e21bb6283f6) [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 c0d20c813c60fad70d154e21bb6283f6.
[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) (c0d20c813c60fad70d154e21bb6283f6) 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) (3b451cb57656a95b9c5981ab885ee0c0) 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) (3b451cb57656a95b9c5981ab885ee0c0).
[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) (3b451cb57656a95b9c5981ab885ee0c0) [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 3b451cb57656a95b9c5981ab885ee0c0.
[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) (3b451cb57656a95b9c5981ab885ee0c0) 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 
[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) (572f03bb33df1d7c79c2dd29ed3f6f6c) 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) (572f03bb33df1d7c79c2dd29ed3f6f6c).
[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) (572f03bb33df1d7c79c2dd29ed3f6f6c) [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 Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 572f03bb33df1d7c79c2dd29ed3f6f6c.
[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) (572f03bb33df1d7c79c2dd29ed3f6f6c) 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_24:0:0 
[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) (99a506e417e3b22c7fadfe27d79e6583) 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) (99a506e417e3b22c7fadfe27d79e6583).
[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) (99a506e417e3b22c7fadfe27d79e6583) [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 GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 99a506e417e3b22c7fadfe27d79e6583.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (81a83f3f5b98193aa4c43ce2f4773731) switched from RUNNING to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for ToKeyedWorkItem (1/1) (81a83f3f5b98193aa4c43ce2f4773731).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) (81a83f3f5b98193aa4c43ce2f4773731) [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 81a83f3f5b98193aa4c43ce2f4773731.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (99a506e417e3b22c7fadfe27d79e6583) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (81a83f3f5b98193aa4c43ce2f4773731) 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-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) (b01b01082798c53a332f4add28f55968) 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) (b01b01082798c53a332f4add28f55968).
[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) (b01b01082798c53a332f4add28f55968) [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 assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 b01b01082798c53a332f4add28f55968.
[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) (b01b01082798c53a332f4add28f55968) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1542212500.06 (51f5cc3fcda3966434bec749d130d078) switched from state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint coordinator for job 51f5cc3fcda3966434bec749d130d078.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - Shutting down
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 51f5cc3fcda3966434bec749d130d078 reached globally terminal state FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job test_windowing_1542212500.06(51f5cc3fcda3966434bec749d130d078).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job 51f5cc3fcda3966434bec749d130d078.
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Shutting down Flink Mini Cluster
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection d3136e41698884a117d69dd5be466b71: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[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.resourcemanager.StandaloneResourceManager - Disconnect job manager a67111c9a5c5bc8157a2b8d3c05a4e22@akka://flink/user/jobmanager_39 for job 51f5cc3fcda3966434bec749d130d078 from the resource manager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher akka://flink/user/dispatcherab8030c6-3d71-4fd7-b794-3643b331679b.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all currently running jobs of dispatcher akka://flink/user/dispatcherab8030c6-3d71-4fd7-b794-3643b331679b.
[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-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.TaskExecutor - JobManager for job 51f5cc3fcda3966434bec749d130d078 with leader id a67111c9a5c5bc8157a2b8d3c05a4e22 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{4a3a5b8e5fa748eee57470d50fad2d3b}, jobId: 51f5cc3fcda3966434bec749d130d078).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Remove job 51f5cc3fcda3966434bec749d130d078 from job leader monitoring.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job 51f5cc3fcda3966434bec749d130d078.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor akka://flink/user/taskmanager_38.
[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.rest.handler.legacy.backpressure.StackTraceSampleCoordinator - Shutting down stack trace sample coordinator.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher akka://flink/user/dispatcherab8030c6-3d71-4fd7-b794-3643b331679b.
[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-17c2dc25-e96a-4e6b-9603-0599647dd800
[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-4] 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_38.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:33575
[flink-akka.actor.default-dispatcher-2] 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 2025 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@1e546a2c
INFO:root:Job state changed to DONE
.
----------------------------------------------------------------------
Ran 26 tests in 79.568s

OK (skipped=8)
:beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER (Thread[Task worker for ':' Thread 6,5,main]) completed. Took 1 mins 21.721 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 9s
60 actionable tasks: 51 executed, 8 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/odbidfzgnu5by

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

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