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https://issues.apache.org/jira/browse/FLINK-4631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler closed FLINK-4631.
-----------------------------------
Resolution: Fixed
> NullPointerException during stream task cleanup
> -----------------------------------------------
>
> Key: FLINK-4631
> URL: https://issues.apache.org/jira/browse/FLINK-4631
> Project: Flink
> Issue Type: Bug
> Affects Versions: 1.1.2
> Environment: Ubuntu server 12.04.5 64 bit
> java version "1.8.0_40"
> Java(TM) SE Runtime Environment (build 1.8.0_40-b26)
> Java HotSpot(TM) 64-Bit Server VM (build 25.40-b25, mixed mode)
> Reporter: Avihai Berkovitz
> Fix For: 1.2.0
>
>
> If a streaming job failed during startup (in my case, due to lack of network
> buffers), all the tasks are being cancelled before they started. This causes
> many instances of the following exception:
> {noformat}
> 2016-09-18 14:17:12,177 ERROR
> org.apache.flink.streaming.runtime.tasks.StreamTask - Error during
> cleanup of stream task
> java.lang.NullPointerException
> at
> org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.cleanup(OneInputStreamTask.java:73)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:323)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:584)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
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