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https://issues.apache.org/jira/browse/BEAM-10510?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jan Lukavský resolved BEAM-10510.
---------------------------------
Fix Version/s: 2.24.0
Resolution: Fixed
> NPE when closing UnboundedSourceWrapper
> ---------------------------------------
>
> Key: BEAM-10510
> URL: https://issues.apache.org/jira/browse/BEAM-10510
> Project: Beam
> Issue Type: Bug
> Components: runner-flink
> Affects Versions: 2.23.0
> Reporter: Jan Lukavský
> Assignee: Jan Lukavský
> Priority: P3
> Fix For: 2.24.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> 2020-07-16 14:51:00,282 ERROR
> org.apache.flink.streaming.runtime.tasks.StreamTask - Error during disposal
> of stream operator.
> java.lang.NullPointerException
> at
> org.apache.beam.runners.flink.translation.wrappers.streaming.io.UnboundedSourceWrapper.close(UnboundedSourceWrapper.java:351)
> at
> org.apache.flink.api.common.functions.util.FunctionUtils.closeFunction(FunctionUtils.java:43)
> at
> org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.dispose(AbstractUdfStreamOperator.java:117)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:651)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.cleanUpInvoke(StreamTask.java:562)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:480)
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:708)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:533)
> at java.lang.Thread.run(Thread.java:748)
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