Build failed in Jenkins: beam_PostCommit_Python_VR_Flink #499

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/499/display/redirect?page=changes>

Changes:

[lcwik] Use Collections isEmpty() instead of size() == 0 (#6720)

[lcwik] [BEAM-5855] Remove duplicated code files from the Dataflow worker

------------------------------------------
[...truncated 4.35 MB...]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Starting execution of job test_windowing_1540432725.36 (be6de2d763f2be5046f2ec5cc2978b06)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1540432725.36 (be6de2d763f2be5046f2ec5cc2978b06) 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) (15ced1fd22b67e609f1b5fbd32375f1a) 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) (c0b081ea6b79be536a1dd10b36431795) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Cannot serve slot request, no ResourceManager connected. Adding as pending request [SlotRequestId{c509110f5454c5107796910db89601c3}]
[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) (cb0c54fdb24403944b32123f4d2963e3) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a4d5f1504393bff297202f4917650939) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (be688c4c9c34e3ffa843458f65ad7330) 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) (d79da1d331debe37acda9eff2dab9209) 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=a0103fe2-a0a9-42b9-90a2-c08de799e470
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Connecting to ResourceManager akka://flink/user/resourcemanager_0907d595-cd46-4bb5-9b8d-b1bb94e4d960(a8806cd114b41fdfcd08a5119fc84a03)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Resolved ResourceManager address, beginning registration
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Registration at ResourceManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registering job manager 90a2c08de799e470a0103fe2a0a942b9@akka://flink/user/jobmanager_41 for job be6de2d763f2be5046f2ec5cc2978b06.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registered job manager 90a2c08de799e470a0103fe2a0a942b9@akka://flink/user/jobmanager_41 for job be6de2d763f2be5046f2ec5cc2978b06.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - JobManager successfully registered at ResourceManager, leader id: a8806cd114b41fdfcd08a5119fc84a03.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Requesting new slot [SlotRequestId{c509110f5454c5107796910db89601c3}] 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 be6de2d763f2be5046f2ec5cc2978b06 with allocation id AllocationID{4515130fe4799061955778275db87c99}.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Receive slot request AllocationID{4515130fe4799061955778275db87c99} for job be6de2d763f2be5046f2ec5cc2978b06 from resource manager with leader id a8806cd114b41fdfcd08a5119fc84a03.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Allocated slot for AllocationID{4515130fe4799061955778275db87c99}.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Add job be6de2d763f2be5046f2ec5cc2978b06 for job leader monitoring.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Try to register at job manager akka://flink/user/jobmanager_41 with leader id a0103fe2-a0a9-42b9-90a2-c08de799e470.
[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-2] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Successful registration at job manager akka://flink/user/jobmanager_41 for job be6de2d763f2be5046f2ec5cc2978b06.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Establish JobManager connection for job be6de2d763f2be5046f2ec5cc2978b06.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Offer reserved slots to the leader of job be6de2d763f2be5046f2ec5cc2978b06.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Activate slot AllocationID{4515130fe4799061955778275db87c99}.
[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) (c0b081ea6b79be536a1dd10b36431795) 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) (15ced1fd22b67e609f1b5fbd32375f1a) 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) (cb0c54fdb24403944b32123f4d2963e3) 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-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a4d5f1504393bff297202f4917650939) 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
[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).
[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) (c0b081ea6b79be536a1dd10b36431795) switched from CREATED to DEPLOYING.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (be688c4c9c34e3ffa843458f65ad7330) switched from SCHEDULED to DEPLOYING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (c0b081ea6b79be536a1dd10b36431795) [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-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) (d79da1d331debe37acda9eff2dab9209) 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 -> 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) (c0b081ea6b79be536a1dd10b36431795) [DEPLOYING].
[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 - Registering task at network: Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (c0b081ea6b79be536a1dd10b36431795) [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) (15ced1fd22b67e609f1b5fbd32375f1a) 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) (15ced1fd22b67e609f1b5fbd32375f1a) [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) (15ced1fd22b67e609f1b5fbd32375f1a) [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) (15ced1fd22b67e609f1b5fbd32375f1a) [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) (cb0c54fdb24403944b32123f4d2963e3) 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) (cb0c54fdb24403944b32123f4d2963e3) [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) (cb0c54fdb24403944b32123f4d2963e3) [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) (cb0c54fdb24403944b32123f4d2963e3) [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) (a4d5f1504393bff297202f4917650939) 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) (a4d5f1504393bff297202f4917650939) [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) (a4d5f1504393bff297202f4917650939) [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) (a4d5f1504393bff297202f4917650939) [DEPLOYING].
[flink-akka.actor.default-dispatcher-4] 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) (be688c4c9c34e3ffa843458f65ad7330) 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) (be688c4c9c34e3ffa843458f65ad7330) [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) (c0b081ea6b79be536a1dd10b36431795) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task ToKeyedWorkItem (1/1) (be688c4c9c34e3ffa843458f65ad7330) [DEPLOYING].
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: ToKeyedWorkItem (1/1) (be688c4c9c34e3ffa843458f65ad7330) [DEPLOYING].
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (c0b081ea6b79be536a1dd10b36431795) switched from DEPLOYING to RUNNING.
[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) (15ced1fd22b67e609f1b5fbd32375f1a) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (15ced1fd22b67e609f1b5fbd32375f1a) 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)
[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) (a4d5f1504393bff297202f4917650939) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a4d5f1504393bff297202f4917650939) 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) (cb0c54fdb24403944b32123f4d2963e3) switched from DEPLOYING to RUNNING.
[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).
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (cb0c54fdb24403944b32123f4d2963e3) 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)
[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) (d79da1d331debe37acda9eff2dab9209) switched from CREATED to DEPLOYING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (be688c4c9c34e3ffa843458f65ad7330) 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 - 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) (d79da1d331debe37acda9eff2dab9209) [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) (d79da1d331debe37acda9eff2dab9209) [DEPLOYING].
[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 - ToKeyedWorkItem (1/1) (be688c4c9c34e3ffa843458f65ad7330) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d79da1d331debe37acda9eff2dab9209) [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) (d79da1d331debe37acda9eff2dab9209) 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-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) (d79da1d331debe37acda9eff2dab9209) 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)] WARN org.apache.flink.metrics.MetricGroup - The operator name 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 exceeded the 80 characters length limit and was truncated.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[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.
[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.
[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/flinktestTPbVur/job_ae68f775-1c8d-4338-8ba6-35b3ec4fbc62/MANIFEST
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Loading manifest for retrieval token /tmp/flinktestTPbVur/job_ae68f775-1c8d-4338-8ba6-35b3ec4fbc62/MANIFEST
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/flinktestTPbVur/job_ae68f775-1c8d-4338-8ba6-35b3ec4fbc62/MANIFEST has 0 artifact locations
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestTPbVur/job_ae68f775-1c8d-4338-8ba6-35b3ec4fbc62/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:43445
[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'--options_id=21', u'--direct_runner_use_stacked_bundle', u'--pipeline_type_check', u'--sdk_worker_parallelism=pipeline']
[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'pipeline', 'job_name': u'test_windowing_1540432725.36', 'options_id': u'21', 'pipeline_type_check': None, 'parallelism': 1, 'job_endpoint': u'localhost:45745'}
[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:40927
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:0:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_4:0 
[grpc-default-executor-0] INFO data_plane.create_data_channel - Creating channel for localhost:46351
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.data.GrpcDataService - Beam Fn Data client connected.
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_1:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_17:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_12:0 
[Source: Custom Source -> 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) (15ced1fd22b67e609f1b5fbd32375f1a) 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) (15ced1fd22b67e609f1b5fbd32375f1a).
[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) (15ced1fd22b67e609f1b5fbd32375f1a) [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 15ced1fd22b67e609f1b5fbd32375f1a.
[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) (15ced1fd22b67e609f1b5fbd32375f1a) switched from RUNNING to FINISHED.
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_7:0 
[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) (c0b081ea6b79be536a1dd10b36431795) 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) (c0b081ea6b79be536a1dd10b36431795).
[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) (c0b081ea6b79be536a1dd10b36431795) [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 c0b081ea6b79be536a1dd10b36431795.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (c0b081ea6b79be536a1dd10b36431795) switched from RUNNING to FINISHED.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (cb0c54fdb24403944b32123f4d2963e3) 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) (cb0c54fdb24403944b32123f4d2963e3).
[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) (cb0c54fdb24403944b32123f4d2963e3) [FINISHED]
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem cb0c54fdb24403944b32123f4d2963e3.
[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) (cb0c54fdb24403944b32123f4d2963e3) switched from RUNNING to FINISHED.
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/write/ref_PCollection_PCollection_24:1:0 
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_15:0 
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a4d5f1504393bff297202f4917650939) 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) (a4d5f1504393bff297202f4917650939).
[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) (a4d5f1504393bff297202f4917650939) [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 a4d5f1504393bff297202f4917650939.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (be688c4c9c34e3ffa843458f65ad7330) switched from RUNNING to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for ToKeyedWorkItem (1/1) (be688c4c9c34e3ffa843458f65ad7330).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) (be688c4c9c34e3ffa843458f65ad7330) [FINISHED]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task ToKeyedWorkItem be688c4c9c34e3ffa843458f65ad7330.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a4d5f1504393bff297202f4917650939) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (be688c4c9c34e3ffa843458f65ad7330) switched from RUNNING to FINISHED.
[grpc-default-executor-0] WARN bundle_processor.create_operation - No unique name set for transform fn/read/ref_PCollection_PCollection_27:0 
[grpc-default-executor-0] INFO sdk_worker.run - No more requests from control plane
[grpc-default-executor-0] INFO sdk_worker.run - SDK Harness waiting for in-flight requests to complete
[grpc-default-executor-0] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[grpc-default-executor-1] INFO data_plane.close - Closing all cached grpc data channels.
[grpc-default-executor-1] INFO sdk_worker.close - Closing all cached gRPC state handlers.
[grpc-default-executor-1] INFO sdk_worker.run - Done consuming work.
[grpc-default-executor-1] INFO sdk_worker_main.main - Python sdk harness exiting.
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Logging client hanged up.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (d79da1d331debe37acda9eff2dab9209) 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) (d79da1d331debe37acda9eff2dab9209).
[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) (d79da1d331debe37acda9eff2dab9209) [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 d79da1d331debe37acda9eff2dab9209.
[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) (d79da1d331debe37acda9eff2dab9209) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1540432725.36 (be6de2d763f2be5046f2ec5cc2978b06) switched from state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint coordinator for job be6de2d763f2be5046f2ec5cc2978b06.
[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 be6de2d763f2be5046f2ec5cc2978b06 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_1540432725.36(be6de2d763f2be5046f2ec5cc2978b06).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job be6de2d763f2be5046f2ec5cc2978b06.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection f184b8dd2ac3b5f95f7565541efe51c5: JobManager is shutting down..
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Shutting down Flink Mini Cluster
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shutting down rest endpoint.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher akka://flink/user/dispatcher608c6f01-6f07-4958-b0bd-5fe7b09da7f3.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all currently running jobs of dispatcher akka://flink/user/dispatcher608c6f01-6f07-4958-b0bd-5fe7b09da7f3.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect job manager 90a2c08de799e470a0103fe2a0a942b9@akka://flink/user/jobmanager_41 for job be6de2d763f2be5046f2ec5cc2978b06 from the resource manager.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - JobManager for job be6de2d763f2be5046f2ec5cc2978b06 with leader id 90a2c08de799e470a0103fe2a0a942b9 lost leadership.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing the SlotManager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending the SlotManager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Unregister TaskManager a2f280dabad80c932eb3fdcb0c572a52 from the SlotManager.
[flink-akka.actor.default-dispatcher-3] 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{4515130fe4799061955778275db87c99}, jobId: be6de2d763f2be5046f2ec5cc2978b06).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Remove job be6de2d763f2be5046f2ec5cc2978b06 from job leader monitoring.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job be6de2d763f2be5046f2ec5cc2978b06.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor akka://flink/user/taskmanager_40.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed spill file directory /tmp/flink-io-adc4be32-8957-4c45-97d7-1dcd971128d8
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the network environment and its components.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.rest.handler.legacy.backpressure.StackTraceSampleCoordinator - Shutting down stack trace sample coordinator.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher akka://flink/user/dispatcher608c6f01-6f07-4958-b0bd-5fe7b09da7f3.
[ForkJoinPool.commonPool-worker-2] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache directory /tmp/flink-web-ui
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader service.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor akka://flink/user/taskmanager_40.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:37965
[flink-akka.actor.default-dispatcher-4] 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 2083 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@7ef19f20
.
----------------------------------------------------------------------
Ran 26 tests in 81.076s

OK (skipped=7)
Segmentation fault (core dumped)

> Task :beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER FAILED
:beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER (Thread[Task worker for ':' Thread 7,5,main]) completed. Took 1 mins 23.305 secs.

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.
-----------
* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/ws/src/sdks/python/build.gradle'> line: 368

* What went wrong:
Execution failed for task ':beam-sdks-python:flinkCompatibilityMatrixBatchDOCKER'.
> Process 'command 'sh'' finished with non-zero exit value 139

* 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.
==============================================================================

2: Task failed with an exception.
-----------
* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/ws/src/sdks/python/build.gradle'> line: 368

* What went wrong:
Execution failed for task ':beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER'.
> Process 'command 'sh'' finished with non-zero exit value 139

* 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 3s
60 actionable tasks: 55 executed, 4 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/a3goemj4gxpai

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

Jenkins build is back to normal : beam_PostCommit_Python_VR_Flink #501

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/501/display/redirect?page=changes>

Build failed in Jenkins: beam_PostCommit_Python_VR_Flink #500

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/500/display/redirect?page=changes>

Changes:

[lcwik] [BEAM-5496] Fixes bug of MqttIO fails to deserialize checkpoint (#6701)

------------------------------------------
[...truncated 4.39 MB...]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Starting execution of job test_windowing_1540433380.9 (4f9c1d2c8caa5ce100213939f819b1fa)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1540433380.9 (4f9c1d2c8caa5ce100213939f819b1fa) 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) (35e1f822be0322ac303bd813bb38abb8) 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) (5648baa078c03b4d460f23f9b4f9792b) 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) (188749c7eddfba038e356550a878d76f) 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) (edecc97ebe3a288ade5752bb96c498ba) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (b71b684f93c2f07141176822492ea532) switched from CREATED to SCHEDULED.
[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) (0767a85266bd56af480463244e06787f) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Cannot serve slot request, no ResourceManager connected. Adding as pending request [SlotRequestId{28a35ae2c4d875f0d38a2cbd6e87b513}]
[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=01db02c1-17aa-4795-9258-7a8f87888944
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Connecting to ResourceManager akka://flink/user/resourcemanager_ca7d4406-a4eb-4ef0-9261-09eacf8d6205(9bdc25c47e5449a87141fc15f0d548a2)
[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 92587a8f8788894401db02c117aa4795@akka://flink/user/jobmanager_41 for job 4f9c1d2c8caa5ce100213939f819b1fa.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registered job manager 92587a8f8788894401db02c117aa4795@akka://flink/user/jobmanager_41 for job 4f9c1d2c8caa5ce100213939f819b1fa.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - JobManager successfully registered at ResourceManager, leader id: 9bdc25c47e5449a87141fc15f0d548a2.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Requesting new slot [SlotRequestId{28a35ae2c4d875f0d38a2cbd6e87b513}] 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 4f9c1d2c8caa5ce100213939f819b1fa with allocation id AllocationID{57b7f74ee3dfbc85af35702f5c10a7cc}.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Receive slot request AllocationID{57b7f74ee3dfbc85af35702f5c10a7cc} for job 4f9c1d2c8caa5ce100213939f819b1fa from resource manager with leader id 9bdc25c47e5449a87141fc15f0d548a2.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Allocated slot for AllocationID{57b7f74ee3dfbc85af35702f5c10a7cc}.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Add job 4f9c1d2c8caa5ce100213939f819b1fa for job leader monitoring.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Try to register at job manager akka://flink/user/jobmanager_41 with leader id 01db02c1-17aa-4795-9258-7a8f87888944.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Resolved JobManager address, beginning registration
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Registration at JobManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Successful registration at job manager akka://flink/user/jobmanager_41 for job 4f9c1d2c8caa5ce100213939f819b1fa.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Establish JobManager connection for job 4f9c1d2c8caa5ce100213939f819b1fa.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Offer reserved slots to the leader of job 4f9c1d2c8caa5ce100213939f819b1fa.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Activate slot AllocationID{57b7f74ee3dfbc85af35702f5c10a7cc}.
[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) (5648baa078c03b4d460f23f9b4f9792b) 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) (35e1f822be0322ac303bd813bb38abb8) 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) (188749c7eddfba038e356550a878d76f) 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-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (edecc97ebe3a288ade5752bb96c498ba) 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
[flink-akka.actor.default-dispatcher-3] 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 - ToKeyedWorkItem (1/1) (b71b684f93c2f07141176822492ea532) 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 - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (5648baa078c03b4d460f23f9b4f9792b) switched from CREATED to DEPLOYING.
[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) (0767a85266bd56af480463244e06787f) 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 - Creating FileSystem stream leak safety net for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (5648baa078c03b4d460f23f9b4f9792b) [DEPLOYING]
[flink-akka.actor.default-dispatcher-3] 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) (5648baa078c03b4d460f23f9b4f9792b) [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) (35e1f822be0322ac303bd813bb38abb8) 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) (35e1f822be0322ac303bd813bb38abb8) [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) (5648baa078c03b4d460f23f9b4f9792b) [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) (35e1f822be0322ac303bd813bb38abb8) [DEPLOYING].
[flink-akka.actor.default-dispatcher-3] 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).
[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) (35e1f822be0322ac303bd813bb38abb8) [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) (188749c7eddfba038e356550a878d76f) 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) (188749c7eddfba038e356550a878d76f) [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) (188749c7eddfba038e356550a878d76f) [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) (188749c7eddfba038e356550a878d76f) [DEPLOYING].
[flink-akka.actor.default-dispatcher-3] 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) (edecc97ebe3a288ade5752bb96c498ba) 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) (edecc97ebe3a288ade5752bb96c498ba) [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) (edecc97ebe3a288ade5752bb96c498ba) [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) (edecc97ebe3a288ade5752bb96c498ba) [DEPLOYING].
[flink-akka.actor.default-dispatcher-3] 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) (b71b684f93c2f07141176822492ea532) 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) (b71b684f93c2f07141176822492ea532) [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) (edecc97ebe3a288ade5752bb96c498ba) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task ToKeyedWorkItem (1/1) (b71b684f93c2f07141176822492ea532) [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) (188749c7eddfba038e356550a878d76f) 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) (edecc97ebe3a288ade5752bb96c498ba) switched from DEPLOYING to RUNNING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (188749c7eddfba038e356550a878d76f) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: ToKeyedWorkItem (1/1) (b71b684f93c2f07141176822492ea532) [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.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) (35e1f822be0322ac303bd813bb38abb8) 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)
[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) (35e1f822be0322ac303bd813bb38abb8) 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) (5648baa078c03b4d460f23f9b4f9792b) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (5648baa078c03b4d460f23f9b4f9792b) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-3] 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) (0767a85266bd56af480463244e06787f) 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) (0767a85266bd56af480463244e06787f) [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) (0767a85266bd56af480463244e06787f) [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) (0767a85266bd56af480463244e06787f) [DEPLOYING].
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (b71b684f93c2f07141176822492ea532) 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) (0767a85266bd56af480463244e06787f) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (b71b684f93c2f07141176822492ea532) 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-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) (0767a85266bd56af480463244e06787f) 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.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] WARN org.apache.flink.metrics.MetricGroup - The operator name 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 exceeded the 80 characters length limit and was truncated.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] WARN org.apache.beam.runners.fnexecution.environment.DockerCommand - Unable to pull docker image jenkins-docker-apache.bintray.io/beam/python:latest, cause: Received exit code 1 for command 'docker pull jenkins-docker-apache.bintray.io/beam/python:latest'. stderr: Error response from daemon: unknown: Repo 'apache' was not found
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestbI7eM5/job_050a8b87-2189-4428-94e5-6e823bb4b336/MANIFEST
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Loading manifest for retrieval token /tmp/flinktestbI7eM5/job_050a8b87-2189-4428-94e5-6e823bb4b336/MANIFEST
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/flinktestbI7eM5/job_050a8b87-2189-4428-94e5-6e823bb4b336/MANIFEST has 0 artifact locations
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestbI7eM5/job_050a8b87-2189-4428-94e5-6e823bb4b336/MANIFEST -> 0 artifacts
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Beam Fn Logging client connected.
[grpc-default-executor-1] INFO sdk_worker_main.main - Logging handler created.
[grpc-default-executor-1] INFO sdk_worker_main.start - Status HTTP server running at localhost:37935
[grpc-default-executor-1] INFO sdk_worker_main.main - semi_persistent_directory: /tmp
[grpc-default-executor-1] WARN sdk_worker_main._load_main_session - No session file found: /tmp/staged/pickled_main_session. Functions defined in __main__ (interactive session) may fail. 
[grpc-default-executor-1] INFO pipeline_options.get_all_options - Parsing unknown args: [u'--options_id=21', u'--direct_runner_use_stacked_bundle', u'--pipeline_type_check', u'--sdk_worker_parallelism=pipeline']
[grpc-default-executor-1] INFO sdk_worker_main.main - Python sdk harness started with pipeline_options: {'runner': u'None', 'streaming': True, 'experiments': [u'beam_fn_api'], 'sdk_location': u'container', 'flink_master': '[auto]', 'direct_runner_use_stacked_bundle': None, 'sdk_worker_parallelism': u'pipeline', 'job_name': u'test_windowing_1540433380.9', 'options_id': u'21', 'pipeline_type_check': None, 'parallelism': 1, 'job_endpoint': u'localhost:52055'}
[grpc-default-executor-1] INFO sdk_worker.__init__ - Creating insecure control channel.
[grpc-default-executor-1] INFO sdk_worker.__init__ - Control channel established.
[grpc-default-executor-1] INFO sdk_worker.__init__ - Initializing SDKHarness with 12 workers.
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.control.FnApiControlClientPoolService - Beam Fn Control client connected with id 1
[grpc-default-executor-1] INFO sdk_worker.create_state_handler - Creating channel for localhost:42805
[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:34261
[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_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) (5648baa078c03b4d460f23f9b4f9792b) 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) (5648baa078c03b4d460f23f9b4f9792b).
[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) (5648baa078c03b4d460f23f9b4f9792b) [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 5648baa078c03b4d460f23f9b4f9792b.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (5648baa078c03b4d460f23f9b4f9792b) 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) (35e1f822be0322ac303bd813bb38abb8) 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) (35e1f822be0322ac303bd813bb38abb8).
[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) (35e1f822be0322ac303bd813bb38abb8) [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 35e1f822be0322ac303bd813bb38abb8.
[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) (35e1f822be0322ac303bd813bb38abb8) 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) (188749c7eddfba038e356550a878d76f) 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) (188749c7eddfba038e356550a878d76f).
[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) (188749c7eddfba038e356550a878d76f) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 188749c7eddfba038e356550a878d76f.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (188749c7eddfba038e356550a878d76f) 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) (edecc97ebe3a288ade5752bb96c498ba) 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) (edecc97ebe3a288ade5752bb96c498ba).
[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) (edecc97ebe3a288ade5752bb96c498ba) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 edecc97ebe3a288ade5752bb96c498ba.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (b71b684f93c2f07141176822492ea532) switched from RUNNING to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for ToKeyedWorkItem (1/1) (b71b684f93c2f07141176822492ea532).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) (b71b684f93c2f07141176822492ea532) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task ToKeyedWorkItem b71b684f93c2f07141176822492ea532.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (edecc97ebe3a288ade5752bb96c498ba) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (b71b684f93c2f07141176822492ea532) 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) (0767a85266bd56af480463244e06787f) 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) (0767a85266bd56af480463244e06787f).
[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) (0767a85266bd56af480463244e06787f) [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 0767a85266bd56af480463244e06787f.
[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) (0767a85266bd56af480463244e06787f) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1540433380.9 (4f9c1d2c8caa5ce100213939f819b1fa) switched from state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint coordinator for job 4f9c1d2c8caa5ce100213939f819b1fa.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - Shutting down
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 4f9c1d2c8caa5ce100213939f819b1fa 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_1540433380.9(4f9c1d2c8caa5ce100213939f819b1fa).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job 4f9c1d2c8caa5ce100213939f819b1fa.
[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 af6e4bc2289ca4de6ea93562950fd935: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-2] 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-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher akka://flink/user/dispatcher7d5c9466-7a75-4b0d-a0c8-edbcef8ea6e5.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all currently running jobs of dispatcher akka://flink/user/dispatcher7d5c9466-7a75-4b0d-a0c8-edbcef8ea6e5.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect job manager 92587a8f8788894401db02c117aa4795@akka://flink/user/jobmanager_41 for job 4f9c1d2c8caa5ce100213939f819b1fa from the resource manager.
[flink-akka.actor.default-dispatcher-3] 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{57b7f74ee3dfbc85af35702f5c10a7cc}, jobId: 4f9c1d2c8caa5ce100213939f819b1fa).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Remove job 4f9c1d2c8caa5ce100213939f819b1fa from job leader monitoring.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job 4f9c1d2c8caa5ce100213939f819b1fa.
[flink-akka.actor.default-dispatcher-2] 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-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor akka://flink/user/taskmanager_40.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing the SlotManager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending the SlotManager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Unregister TaskManager d8fb224fb355b2ce3f28427dbc90cad5 from the SlotManager.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed spill file directory /tmp/flink-io-2388ea12-dab4-4947-98ee-f09fac73ebc4
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the network environment and its components.
[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-5] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher akka://flink/user/dispatcher7d5c9466-7a75-4b0d-a0c8-edbcef8ea6e5.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader service.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor akka://flink/user/taskmanager_40.
[ForkJoinPool.commonPool-worker-11] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache directory /tmp/flink-web-ui
[ForkJoinPool.commonPool-worker-11] 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 0.0.0.0:40461
[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 2049 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@3e8eeb07
.
----------------------------------------------------------------------
Ran 26 tests in 81.263s

OK (skipped=7)
Segmentation fault (core dumped)

> Task :beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER FAILED
:beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER (Thread[Task worker for ':' Thread 3,5,main]) completed. Took 1 mins 23.458 secs.

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.
-----------
* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/ws/src/sdks/python/build.gradle'> line: 368

* 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.
==============================================================================

2: Task failed with an exception.
-----------
* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/ws/src/sdks/python/build.gradle'> line: 368

* What went wrong:
Execution failed for task ':beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER'.
> Process 'command 'sh'' finished with non-zero exit value 139

* 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 10m 45s
60 actionable tasks: 55 executed, 4 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/oehc2xil6poo2

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