[
https://issues.apache.org/jira/browse/BEAM-5687?focusedWorklogId=152749&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-152749
]
ASF GitHub Bot logged work on BEAM-5687:
----------------------------------------
Author: ASF GitHub Bot
Created on: 09/Oct/18 16:15
Start Date: 09/Oct/18 16:15
Worklog Time Spent: 10m
Work Description: mxm opened a new pull request #6617: [BEAM-5687] Fix
checkpointing of FlinkRunner for portable pipelines
URL: https://github.com/apache/beam/pull/6617
### [BEAM-5687] Fix checkpointing of FlinkRunner for portable pipelines
This provides the input WindowValue Coder to ExecutableStageDoFnOperator
which
ensures that the buffered elements can be checkpointed correctly.
### [BEAM-3727] Do not shutdown Impulse sources to enable checkpointing
Flink's checkpointing won't work properly after sources have finished. They
need
to be up and running for as long as checkpoints should be taken. This was
already the case for the non-portable UnboundedSourceWrapper but it needs to
be
extended also for Impulse transforms.
### [BEAM-3727] Allow sources to shutdown when checkpointing is disabled
CC @tweise @angoenka
Post-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
Lang | SDK | Apex | Dataflow | Flink | Gearpump | Samza | Spark
--- | --- | --- | --- | --- | --- | --- | ---
Go | [](https://builds.apache.org/job/beam_PostCommit_Go_GradleBuild/lastCompletedBuild/)
| --- | --- | --- | --- | --- | ---
Java | [](https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Gearpump_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Samza_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark_Gradle/lastCompletedBuild/)
Python | [](https://builds.apache.org/job/beam_PostCommit_Python_Verify/lastCompletedBuild/)
| --- | [](https://builds.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/)
</br> [](https://builds.apache.org/job/beam_PostCommit_Py_ValCont/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/lastCompletedBuild/)
| --- | --- | ---
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Issue Time Tracking
-------------------
Worklog Id: (was: 152749)
Time Spent: 10m
Remaining Estimate: 0h
> Checkpointing in portable pipelines does not work
> -------------------------------------------------
>
> Key: BEAM-5687
> URL: https://issues.apache.org/jira/browse/BEAM-5687
> Project: Beam
> Issue Type: Bug
> Components: runner-flink
> Reporter: Maximilian Michels
> Assignee: Maximilian Michels
> Priority: Major
> Labels: portability-flink
> Fix For: 2.9.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Checkpoints fail:
> {noformat}
> AsynchronousException{java.lang.Exception: Could not materialize checkpoint 2
> for operator Source: Custom Source -> 9TestInput.None/beam:env:docker:v1:0 ->
> ToKeyedWorkItem (1/1).}
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointExceptionHandler.tryHandleCheckpointException(StreamTask.java:1154)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.handleExecutionException(StreamTask.java:948)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.run(StreamTask.java:885)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.Exception: Could not materialize checkpoint 2 for
> operator Source: Custom Source -> 9TestInput.None/beam:env:docker:v1:0 ->
> ToKeyedWorkItem (1/1).
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.handleExecutionException(StreamTask.java:943)
> ... 6 more
> Caused by: java.util.concurrent.ExecutionException:
> java.lang.NullPointerException
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.util.concurrent.FutureTask.get(FutureTask.java:192)
> at
> org.apache.flink.util.FutureUtil.runIfNotDoneAndGet(FutureUtil.java:53)
> at
> org.apache.flink.streaming.api.operators.OperatorSnapshotFinalizer.<init>(OperatorSnapshotFinalizer.java:53)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.run(StreamTask.java:854)
> ... 5 more
> Caused by: java.lang.NullPointerException
> at
> org.apache.beam.runners.flink.translation.types.CoderTypeSerializer$CoderTypeSerializerConfigSnapshot.<init>(CoderTypeSerializer.java:162)
> at
> org.apache.beam.runners.flink.translation.types.CoderTypeSerializer.snapshotConfiguration(CoderTypeSerializer.java:136)
> at
> org.apache.flink.runtime.state.RegisteredOperatorBackendStateMetaInfo.snapshot(RegisteredOperatorBackendStateMetaInfo.java:93)
> at
> org.apache.flink.runtime.state.DefaultOperatorStateBackend$1.performOperation(DefaultOperatorStateBackend.java:394)
> at
> org.apache.flink.runtime.state.DefaultOperatorStateBackend$1.performOperation(DefaultOperatorStateBackend.java:352)
> at
> org.apache.flink.runtime.io.async.AbstractAsyncCallableWithResources.call(AbstractAsyncCallableWithResources.java:75)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> org.apache.flink.util.FutureUtil.runIfNotDoneAndGet(FutureUtil.java:50)
> ... 7 more
> {noformat}
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