See 
<https://builds.apache.org/job/beam_PostCommit_Python_PVR_Flink_Gradle/100/display/redirect?page=changes>

Changes:

[daniel.o.programmer] [BEAM-3711] Bug fix and improvements in Dataflow 
transform override.

[daniel.o.programmer] [BEAM-3711] Refactoring and testing new matchers.

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org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
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assert_that/Group/GroupByKey -> 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 
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org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
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42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 
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org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
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42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 
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assert_that/Group/GroupByKey -> 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 
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assert_that/Group/GroupByKey -> 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 
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[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - 
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42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (8/16) 
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42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/16) 
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[grpc-default-executor-3] INFO sdk_worker.run - No more requests from control 
plane
[grpc-default-executor-3] INFO sdk_worker.run - SDK Harness waiting for 
in-flight requests to complete
[grpc-default-executor-3] WARN 
org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown 
endpoint.
[grpc-default-executor-3] INFO data_plane.close - Closing all cached grpc data 
channels.
[grpc-default-executor-3] INFO sdk_worker.close - Closing all cached gRPC state 
handlers.
[grpc-default-executor-3] INFO sdk_worker.run - Done consuming work.
[grpc-default-executor-3] INFO sdk_worker_main.main - Python sdk harness 
exiting.
[grpc-default-executor-3] INFO 
org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Logging client 
hanged up.
[assert_that/Group/GroupByKey -> 
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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 (2/16)] 
WARN org.apache.beam.runners.fnexecution.control.JobBundleFactoryBase - Error 
cleaning up environment url: 
"jenkins-docker-apache.bintray.io/beam/python:latest"
urn: "beam:env:docker:v1"
payload: "\n3jenkins-docker-apache.bintray.io/beam/python:latest"

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$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:358)
        at 
org.apache.beam.runners.fnexecution.state.GrpcStateService.close(GrpcStateService.java:54)
        at 
org.apache.beam.runners.fnexecution.GrpcFnServer.close(GrpcFnServer.java:83)
        at 
org.apache.beam.runners.fnexecution.control.JobBundleFactoryBase$WrappedSdkHarnessClient.$closeResource(JobBundleFactoryBase.java:327)
        at 
org.apache.beam.runners.fnexecution.control.JobBundleFactoryBase$WrappedSdkHarnessClient.close(JobBundleFactoryBase.java:327)
        at 
org.apache.beam.runners.fnexecution.control.JobBundleFactoryBase.lambda$createEnvironmentCache$0(JobBundleFactoryBase.java:147)
        at 
org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.cache.LocalCache.processPendingNotifications(LocalCache.java:1963)
        at 
org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.cache.LocalCache$Segment.runUnlockedCleanup(LocalCache.java:3562)
        at 
org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.cache.LocalCache$Segment.postWriteCleanup(LocalCache.java:3538)
        at 
org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.cache.LocalCache$Segment.clear(LocalCache.java:3309)
        at 
org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.cache.LocalCache.clear(LocalCache.java:4322)
        at 
org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.cache.LocalCache$LocalManualCache.invalidateAll(LocalCache.java:4937)
        at 
org.apache.beam.runners.fnexecution.control.JobBundleFactoryBase.close(JobBundleFactoryBase.java:185)
        at 
org.apache.beam.runners.flink.translation.functions.FlinkDefaultExecutableStageContext.close(FlinkDefaultExecutableStageContext.java:46)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory$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) (f6a15e59541807c86542ce5323ebc358) 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) 
(f6a15e59541807c86542ce5323ebc358).
[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) 
(f6a15e59541807c86542ce5323ebc358) [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 
f6a15e59541807c86542ce5323ebc358.
[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) 
(f6a15e59541807c86542ce5323ebc358) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Job 
test_windowing_1537570753.34 (34927dfca832d95a1c1c1bb278ec553b) switched from 
state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint 
coordinator for job 34927dfca832d95a1c1c1bb278ec553b.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - 
Shutting down
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 
34927dfca832d95a1c1c1bb278ec553b 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_1537570753.34(34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection 
38affef9b1af2551c980ad4c183ddfda: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect 
job manager b4eac35deb7640b32d6d6417fcd14c5a@akka://flink/user/jobmanager_41 
for job 34927dfca832d95a1c1c1bb278ec553b from the resource manager.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager 
connection for job 34927dfca832d95a1c1c1bb278ec553b.
[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/dispatcherb6de654e-96c7-4c4b-9162-34b06578212a.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all 
currently running jobs of dispatcher 
akka://flink/user/dispatcherb6de654e-96c7-4c4b-9162-34b06578212a.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - JobManager for job 
34927dfca832d95a1c1c1bb278ec553b with leader id 
b4eac35deb7640b32d6d6417fcd14c5a lost leadership.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing the 
SlotManager.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending 
the SlotManager.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Unregister 
TaskManager 20cd0db126f7347143e250184533a7ab from the SlotManager.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:5, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{92a090cddc8c6f2448223ad49ced5edf}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:0, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{0e8709a82907c3ab42288b78502cbef7}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:9, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{2ef085fc241430e0b171a91b5f2a8811}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:6, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{fbbfa3bd38a4cef2e065f2c36fc37905}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:1, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{0652839124f1c232bf7bce2a43f11d70}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:11, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{c8a73a352a351314e5106affecd551d3}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[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{56f799b2b9ee338f5610ec8980811ca7}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:13, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{01ce0f2347dd5d3b16cc02ab187a1f62}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:3, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{aa9d8b16cfc343677a8844492117a919}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:2, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{80d6d632d22795864b30480c745ef5fe}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-4] 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{2c39a6b4ddea242b6b1d98f96cb5d26c}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:14, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{b7287baf7713818244d66922255a5013}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:7, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{3de59c6fa2462ed754e02ccf05e43a91}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-4] 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{7f5279534d63b7fcfcb1f105bb7a9c3f}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:4, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{1c9c942145a188a8c5684cbb6cf86e9c}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:15, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{770a289052874b9138720dab6ed203dc}, jobId: 
34927dfca832d95a1c1c1bb278ec553b).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Remove job 
34927dfca832d95a1c1c1bb278ec553b from job leader monitoring.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager 
connection for job 34927dfca832d95a1c1c1bb278ec553b.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor 
akka://flink/user/taskmanager_40.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting 
down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed 
spill file directory /tmp/flink-io-e243062d-0aa1-465b-a834-5b92a99c9bbe
[flink-akka.actor.default-dispatcher-2] 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.taskexecutor.JobLeaderService - Stop job leader 
service.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor 
akka://flink/user/taskmanager_40.
[ForkJoinPool.commonPool-worker-11] INFO 
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache 
directory /tmp/flink-web-ui
[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/dispatcherb6de654e-96c7-4c4b-9162-34b06578212a.
[flink-akka.actor.default-dispatcher-5] 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 0.0.0.0:46075
[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 2270 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@e91d7620
.
======================================================================
ERROR: test_pardo_state_only (__main__.FlinkRunnerTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "apache_beam/runners/portability/fn_api_runner_test.py", line 253, in 
test_pardo_state_only
    equal_to(expected))
  File "apache_beam/pipeline.py", line 414, in __exit__
    self.run().wait_until_finish()
  File "apache_beam/runners/portability/portable_runner.py", line 209, in 
wait_until_finish
    'Pipeline %s failed in state %s.' % (self._job_id, self._state))
RuntimeError: Pipeline 
test_pardo_state_only_1537570736.08_f91a43e3-582d-4ef0-8c49-4ef8248f23b6 failed 
in state FAILED.

----------------------------------------------------------------------
Ran 24 tests in 84.531s

FAILED (errors=1, skipped=5)
Segmentation fault (core dumped)

> Task :beam-sdks-python:flinkCompatibilityMatrixStreaming FAILED
:beam-sdks-python:flinkCompatibilityMatrixStreaming (Thread[Task worker for ':' 
Thread 9,5,main]) completed. Took 1 mins 26.964 secs.

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.
-----------
* Where:
Build file 
'<https://builds.apache.org/job/beam_PostCommit_Python_PVR_Flink_Gradle/ws/src/sdks/python/build.gradle'>
 line: 340

* What went wrong:
Execution failed for task ':beam-sdks-python:flinkCompatibilityMatrixBatch'.
> 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_PVR_Flink_Gradle/ws/src/sdks/python/build.gradle'>
 line: 340

* What went wrong:
Execution failed for task ':beam-sdks-python:flinkCompatibilityMatrixStreaming'.
> 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 12m 9s
59 actionable tasks: 54 executed, 4 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/4cx5c5cqrcd2m

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

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