See 
<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/190/display/redirect>

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INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
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INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for 
assert_that/Group/GroupByKey -> 
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(496230a9a5837aa7be3c00923e7b6d8c).
[assert_that/Group/GroupByKey -> 
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INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for 
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42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (14/16) 
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assert_that/Group/GroupByKey -> 
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assert_that/Group/GroupByKey -> 
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assert_that/Group/GroupByKey -> 
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INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
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assert_that/Group/GroupByKey -> 
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[assert_that/Group/GroupByKey -> 
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INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
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assert_that/Group/GroupByKey -> 
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INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
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assert_that/Group/GroupByKey -> 
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(64adbed25aa43c7ccdd39b935f047055) switched from RUNNING to FINISHED.
[grpc-default-executor-2] INFO sdk_worker.run - No more requests from control 
plane
[grpc-default-executor-2] INFO sdk_worker.run - SDK Harness waiting for 
in-flight requests to complete
[grpc-default-executor-2] INFO data_plane.close - Closing all cached grpc data 
channels.
[grpc-default-executor-0] WARN 
org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown 
endpoint.
[grpc-default-executor-0] INFO sdk_worker.close - Closing all cached gRPC state 
handlers.
[grpc-default-executor-0] INFO sdk_worker.run - Done consuming work.
[grpc-default-executor-0] INFO sdk_worker_main.main - Python sdk harness 
exiting.
[grpc-default-executor-0] INFO 
org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Logging client 
hanged up.
[assert_that/Group/GroupByKey -> 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (2/16)] 
ERROR 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory
 - Unable to close FlinkExecutableStageContext.
java.lang.IllegalStateException: call already closed
        at 
org.apache.beam.vendor.guava.v20.com.google.common.base.Preconditions.checkState(Preconditions.java:444)
        at 
org.apache.beam.vendor.grpc.v1.io.grpc.internal.ServerCallImpl.close(ServerCallImpl.java:172)
        at 
org.apache.beam.vendor.grpc.v1.io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:358)
        at 
org.apache.beam.runners.fnexecution.state.GrpcStateService.close(GrpcStateService.java:54)
        at 
org.apache.beam.runners.fnexecution.GrpcFnServer.close(GrpcFnServer.java:83)
        at 
org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory.close(DefaultJobBundleFactory.java:179)
        at 
org.apache.beam.runners.flink.translation.functions.FlinkDefaultExecutableStageContext.close(FlinkDefaultExecutableStageContext.java:62)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory$WrappedContext.closeActual(ReferenceCountingFlinkExecutableStageContextFactory.java:185)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory$WrappedContext.access$200(ReferenceCountingFlinkExecutableStageContextFactory.java:161)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory.release(ReferenceCountingFlinkExecutableStageContextFactory.java:149)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory.scheduleRelease(ReferenceCountingFlinkExecutableStageContextFactory.java:109)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory.access$300(ReferenceCountingFlinkExecutableStageContextFactory.java:40)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory$WrappedContext.close(ReferenceCountingFlinkExecutableStageContextFactory.java:181)
        at 
org.apache.beam.runners.flink.translation.wrappers.streaming.ExecutableStageDoFnOperator.$closeResource(ExecutableStageDoFnOperator.java:187)
        at 
org.apache.beam.runners.flink.translation.wrappers.streaming.ExecutableStageDoFnOperator.close(ExecutableStageDoFnOperator.java:202)
        at 
org.apache.flink.streaming.runtime.tasks.StreamTask.closeAllOperators(StreamTask.java:438)
        at 
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:323)
        at org.apache.flink.runtime.taskmanager.Task.run(Task.java:712)
        at java.lang.Thread.run(Thread.java:748)
[assert_that/Group/GroupByKey -> 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (2/16)] 
INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
-> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 
(2/16) (c40fe000afee2ebd6b2d4af307c6fae2) switched from RUNNING to FINISHED.
[assert_that/Group/GroupByKey -> 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (2/16)] 
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 (2/16) 
(c40fe000afee2ebd6b2d4af307c6fae2).
[assert_that/Group/GroupByKey -> 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (2/16)] 
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 (2/16) 
(c40fe000afee2ebd6b2d4af307c6fae2) [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 
assert_that/Group/GroupByKey -> 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 
c40fe000afee2ebd6b2d4af307c6fae2.
[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 (2/16) 
(c40fe000afee2ebd6b2d4af307c6fae2) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Job 
test_windowing_1538417496.58 (e94d5b9194ed218c075406e8713ca2f2) switched from 
state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint 
coordinator for job e94d5b9194ed218c075406e8713ca2f2.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - 
Shutting down
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 
e94d5b9194ed218c075406e8713ca2f2 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_1538417496.58(e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager 
connection for job e94d5b9194ed218c075406e8713ca2f2.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection 
c4aec2c4f7d9247bbe5d89c7aa6b3491: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster 
- Shutting down Flink Mini Cluster
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect 
job manager 8b030d935a83e742d8f7dd62758d4677@akka://flink/user/jobmanager_39 
for job e94d5b9194ed218c075406e8713ca2f2 from the resource manager.
[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/dispatcher4ea58c07-d48a-424c-a00d-51db5d326e6e.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all 
currently running jobs of dispatcher 
akka://flink/user/dispatcher4ea58c07-d48a-424c-a00d-51db5d326e6e.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing the 
SlotManager.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending 
the SlotManager.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - JobManager for job 
e94d5b9194ed218c075406e8713ca2f2 with leader id 
8b030d935a83e742d8f7dd62758d4677 lost leadership.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Unregister 
TaskManager 66d2ecbd6e859736453f648d4ae31575 from the SlotManager.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:4, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{f44bba9da136fabbe697553454e67049}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:1, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{b62f1d6c10523eb41cf110b96ffcdc97}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:14, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{49ac30ad34b6fce2a5b1d5dafeb5e7f8}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:5, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{0158c01143b3ed121b8b6188dacd3d17}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:10, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{a45891ea4073ada43e6e9060515ded58}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:6, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{92e9e4768e08c113230ceb5fd3e0b64c}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:7, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{07fdba405a9d8db0915bf8f3af47322c}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:0, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{9601a1bc47adf1b52ce48a937cee34a9}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:3, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{525a04c4d9ea7acaf2d4cc6daf8f842f}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:11, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{f7e0d9b1ffe9d921ae8eb63b77e3f593}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[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-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:13, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{ad04190492be365e1d052f4200d92262}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:2, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{78df1123a07d5154f15279c2f44d592e}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher 
akka://flink/user/dispatcher4ea58c07-d48a-424c-a00d-51db5d326e6e.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:15, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{319d1c5ab09fa3c8de1689edfc758d59}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:9, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{501d41e43319999cbcb881ddff96113e}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:12, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{1dd8cb0ff8c422136a1b903a33d61b8b}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:8, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{6e2e865f0665d71b61e5b4c3b313633d}, jobId: 
e94d5b9194ed218c075406e8713ca2f2).
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Remove job 
e94d5b9194ed218c075406e8713ca2f2 from job leader monitoring.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager 
connection for job e94d5b9194ed218c075406e8713ca2f2.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor 
akka://flink/user/taskmanager_38.
[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-bff13669-3b9c-45df-96c9-9c81755dc44a
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the 
network environment and its components.
[ForkJoinPool.commonPool-worker-4] INFO 
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache 
directory /tmp/flink-web-ui
[flink-akka.actor.default-dispatcher-3] INFO 
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service.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor 
akka://flink/user/taskmanager_38.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:36465
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopped Akka RPC service.
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - 
Execution finished in 1959 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@9b54bed2
.
----------------------------------------------------------------------
Ran 24 tests in 76.410s

OK (skipped=6)
:beam-sdks-python:flinkCompatibilityMatrixStreaming (Thread[Task worker for ':' 
Thread 4,5,main]) completed. Took 1 mins 18.598 secs.

FAILURE: Build failed with an exception.

* Where:
Build file 
'<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/ws/src/sdks/python/build.gradle'>
 line: 338

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

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

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

Deprecated Gradle features were used in this build, making it incompatible with 
Gradle 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See 
https://docs.gradle.org/4.10.2/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 11m 32s
59 actionable tasks: 54 executed, 4 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/jqwskbaiq273i

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

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