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https://issues.apache.org/jira/browse/FLINK-5892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16055278#comment-16055278
]
ASF GitHub Bot commented on FLINK-5892:
---------------------------------------
Github user pnowojski commented on the issue:
https://github.com/apache/flink/pull/3844
Are you sure that errors in travis are intermittent or unrelated to your
change? One is already reported here:
https://issues.apache.org/jira/browse/FLINK-6843 but second one I'm not sure:
```
Tests run: 10, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 6.933 sec
<<< FAILURE! - in org.apache.flink.runtime.state.OperatorStateBackendTest
testSnapshotAsyncCancel(org.apache.flink.runtime.state.OperatorStateBackendTest)
Time elapsed: 0.061 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:745)
```
> Recover job state at the granularity of operator
> ------------------------------------------------
>
> Key: FLINK-5892
> URL: https://issues.apache.org/jira/browse/FLINK-5892
> Project: Flink
> Issue Type: New Feature
> Components: State Backends, Checkpointing
> Reporter: Guowei Ma
> Assignee: Guowei Ma
> Fix For: 1.3.0
>
>
> JobGraph has no `Operator` info so `ExecutionGraph` can only recovery at the
> granularity of task.
> This leads to the result that the operator of the job may not recover the
> state from a save point even if the save point has the state of operator.
>
> https://docs.google.com/document/d/19suTRF0nh7pRgeMnIEIdJ2Fq-CcNVt5_hR3cAoICf7Q/edit#.
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