[jira] [Commented] (FLINK-4631) NullPointerException during stream task cleanup

["Chesnay Schepler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-4631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15731902#comment-15731902 ] 

Chesnay Schepler commented on FLINK-4631:
-----------------------------------------

Can we close this issue? The NullPointerException can no longer occur, and PR #2849 will apparently not be merged.

> 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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