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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-8237) BucketingSink throws NPE when Writer.duplicate returns null
Date Mon, 07 May 2018 15:45:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-8237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16466051#comment-16466051
] 

ASF GitHub Bot commented on FLINK-8237:
---------------------------------------

Github user fhueske commented on the issue:

    https://github.com/apache/flink/pull/5927
  
    Thanks for the update @pavel-shvetsov-git.
    +1 to merge


> BucketingSink throws NPE when Writer.duplicate returns null
> -----------------------------------------------------------
>
>                 Key: FLINK-8237
>                 URL: https://issues.apache.org/jira/browse/FLINK-8237
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Gábor Hermann
>            Priority: Minor
>
> Users need to look into Flink code to find the cause. We could catch that null before
even running the job.
> {code:java}
> java.lang.NullPointerException
>         at org.apache.flink.streaming.connectors.fs.bucketing.BucketingSink.openNewPartFile(BucketingSink.java:546)
>         at org.apache.flink.streaming.connectors.fs.bucketing.BucketingSink.invoke(BucketingSink.java:441)
>         at org.apache.flink.streaming.api.operators.StreamSink.processElement(StreamSink.java:41)
>         at org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:528)
>         at org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:503)
>         at org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:483)
>         at org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:891)
>         at org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:869)
>         at org.apache.flink.streaming.api.operators.StreamFilter.processElement(StreamFilter.java:40)
>         at org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:206)
>         at org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:69)
>         at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:263)
>         at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702)
> {code}



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