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https://issues.apache.org/jira/browse/FLINK-7063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16072187#comment-16072187
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ASF GitHub Bot commented on FLINK-7063:
---------------------------------------
Github user StefanRRichter commented on the issue:
https://github.com/apache/flink/pull/4246
CC @NicoK
> test instability in OperatorStateBackendTest.testSnapshotAsyncCancel
> --------------------------------------------------------------------
>
> Key: FLINK-7063
> URL: https://issues.apache.org/jira/browse/FLINK-7063
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing, Tests
> Affects Versions: 1.3.1, 1.4.0
> Reporter: Nico Kruber
> Assignee: Stefan Richter
> Priority: Minor
>
> {{OperatorStateBackendTest.testSnapshotAsyncCancel}} seems to be instable and
> sometimes fails:
> {code}
> testSnapshotAsyncCancel(org.apache.flink.runtime.state.OperatorStateBackendTest)
> Time elapsed: 0.036 sec <<< ERROR!
> java.util.concurrent.ExecutionException: java.io.IOException: Stream closed.
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.util.concurrent.FutureTask.get(FutureTask.java:206)
> at
> org.apache.flink.runtime.state.OperatorStateBackendTest.testSnapshotAsyncCancel(OperatorStateBackendTest.java:636)
> Caused by: java.io.IOException: Stream closed.
> at
> org.apache.flink.runtime.util.BlockerCheckpointStreamFactory$1.write(BlockerCheckpointStreamFactory.java:95)
> at java.io.DataOutputStream.writeInt(DataOutputStream.java:197)
> at
> org.apache.flink.core.io.VersionedIOReadableWritable.write(VersionedIOReadableWritable.java:40)
> at
> org.apache.flink.runtime.state.OperatorBackendSerializationProxy.write(OperatorBackendSerializationProxy.java:65)
> at
> org.apache.flink.runtime.state.DefaultOperatorStateBackend$1.performOperation(DefaultOperatorStateBackend.java:255)
> at
> org.apache.flink.runtime.state.DefaultOperatorStateBackend$1.performOperation(DefaultOperatorStateBackend.java:233)
> at
> org.apache.flink.runtime.io.async.AbstractAsyncIOCallable.call(AbstractAsyncIOCallable.java:72)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:748)
> {code}
> logs:
> *
> https://s3.amazonaws.com/archive.travis-ci.org/jobs/248822546/log.txt?X-Amz-Expires=30&X-Amz-Date=20170703T092940Z&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAJRYRXRSVGNKPKO5A/20170703/us-east-1/s3/aws4_request&X-Amz-SignedHeaders=host&X-Amz-Signature=f468cd238236d7038a1e12086dd4a0e3ba538d93c883790d180e4c63b973a5f2
> * https://transfer.sh/MHawk/17392.5.tar.gz
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