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Posted to issues@flink.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2015/12/03 15:43:11 UTC

[jira] [Resolved] (FLINK-3104) Potential null dereference of outStream in FsStateBackend#CheckpointStateOutputStream#closeAndGetHandle()

     [ https://issues.apache.org/jira/browse/FLINK-3104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu resolved FLINK-3104.
---------------------------
    Resolution: Not A Problem

> Potential null dereference of outStream in FsStateBackend#CheckpointStateOutputStream#closeAndGetHandle()
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-3104
>                 URL: https://issues.apache.org/jira/browse/FLINK-3104
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Priority: Minor
>
> Here is related code:
> {code}
>           if (outStream == null && pos <= localStateThreshold) {
>             closed = true;
>             byte[] bytes = Arrays.copyOf(writeBuffer, pos);
>             return new ByteStreamStateHandle(bytes);
>           }
>           else {
>             flush();
>             outStream.close();
> {code}
> The if condition checks both outStream and pos.
> In the else block, outStream may be null, leading to NPE.



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