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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-10663) Closing StreamingFileSink can cause NPE
Date Wed, 24 Oct 2018 11:52:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-10663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16662175#comment-16662175
] 

ASF GitHub Bot commented on FLINK-10663:
----------------------------------------

GJL commented on issue #6915: [FLINK-10663][streaming] Fix NPE when StreamingFileSink is closed
without initialization.
URL: https://github.com/apache/flink/pull/6915#issuecomment-432624343
 
 
   Thanks for the review @kl0u. Merging as soon tests have passed.

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> Closing StreamingFileSink can cause NPE
> ---------------------------------------
>
>                 Key: FLINK-10663
>                 URL: https://issues.apache.org/jira/browse/FLINK-10663
>             Project: Flink
>          Issue Type: Bug
>          Components: filesystem-connector, Streaming Connectors
>    Affects Versions: 1.6.1, 1.7.0
>         Environment: Rev cb141940821bcf62f4102dfd5c76aff99d0c15d1
>            Reporter: Gary Yao
>            Assignee: Gary Yao
>            Priority: Critical
>              Labels: pull-request-available
>             Fix For: 1.6.3, 1.7.0
>
>
> *Description*
> If the sink is closed before it's state is initialized, an NPE is thrown.
> *Stacktrace*
> {code}
> java.lang.NullPointerException
> 	at org.apache.flink.streaming.api.functions.sink.filesystem.StreamingFileSink.close(StreamingFileSink.java:378)
> 	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:477)
> 	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:378)
> 	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:704)
> 	at java.lang.Thread.run(Thread.java:748)
> {code}



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