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From "Ufuk Celebi (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (FLINK-5274) LocalInputChannel throws NPE if partition reader is released
Date Wed, 07 Dec 2016 16:18:59 GMT

     [ https://issues.apache.org/jira/browse/FLINK-5274?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ufuk Celebi closed FLINK-5274.
------------------------------
       Resolution: Fixed
    Fix Version/s: 1.1.4
                   1.2.0

555a687 (master), 1b472d2 (release-1.1)

> LocalInputChannel throws NPE if partition reader is released
> ------------------------------------------------------------
>
>                 Key: FLINK-5274
>                 URL: https://issues.apache.org/jira/browse/FLINK-5274
>             Project: Flink
>          Issue Type: Bug
>          Components: Network
>            Reporter: Ufuk Celebi
>            Assignee: Ufuk Celebi
>             Fix For: 1.2.0, 1.1.4
>
>
> Reported by [~rmetzger]:
> {code}
> java.lang.NullPointerException
>        at org.apache.flink.runtime.io.network.partition.consumer.LocalInputChannel.getNextBuffer(LocalInputChannel.java:185)
>        at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.getNextBufferOrEvent(SingleInputGate.java:444)
>        at org.apache.flink.streaming.runtime.io.BarrierBuffer.getNextNonBlocked(BarrierBuffer.java:152)
>        at org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:195)
>        at org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:67)
>        at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:267)
>        at org.apache.flink.runtime.taskmanager.Task.run(Task.java:638)
>        at java.lang.Thread.run(Thread.java:745)
> {code}
> This is most likely caused by the result partition being released after the notifcations
have happened.



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