[jira] [Commented] (FLINK-26957) FileSystemJobResultStore calls flush on an already closed OutputStream

["Matthias Pohl (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-26957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17521663#comment-17521663 ] 

Matthias Pohl commented on FLINK-26957:
---------------------------------------

[~tanyuxin] did you do some testing with the fix?

> FileSystemJobResultStore calls flush on an already closed OutputStream 
> -----------------------------------------------------------------------
>
>                 Key: FLINK-26957
>                 URL: https://issues.apache.org/jira/browse/FLINK-26957
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Coordination
>    Affects Versions: 1.15.0, 1.16.0
>            Reporter: Matthias Pohl
>            Assignee: Matthias Pohl
>            Priority: Blocker
>              Labels: pull-request-available
>             Fix For: 1.15.0
>
>
> We experienced problems with some FileSystems when creating the dirty JRS entries (see initial discussion in FLINK-26555). The {{writeValue}} method closes the {{OutputStream}} by default which causes the subsequent {{flush}} call to fail.
> It didn't appear in the unit tests because {{LocalDataOutputStream.flush}} is a no-op operation. We still have to investigate why it didn't appear when doing the tests with the presto and hadoop S3 filesystems.



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