[jira] [Commented] (FLINK-7659) Unprotected access to inProgress in JobCancellationWithSavepointHandlers#handleNewRequest

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-7659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16175942#comment-16175942 ] 

ASF GitHub Bot commented on FLINK-7659:
---------------------------------------

GitHub user bowenli86 opened a pull request:

    https://github.com/apache/flink/pull/4703

    [FLINK-7659][REST] Unprotected access to inProgress in JobCancellationWithSavepointHandlers#handleNewRequest

    ## What is the purpose of the change
    
    There's a thread accessing `inProgress` without proper synchronization
    
    ## Brief change log
    
    Add synchronization to access `inProgress` 
    
    ## Verifying this change
    
    This change is a trivial rework / code cleanup without any test coverage.
    
    ## Does this pull request potentially affect one of the following parts:
    
    ## Documentation
    
      - Does this pull request introduce a new feature? (no)
    


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/bowenli86/flink FLINK-7659

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/4703.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #4703
    
----
commit 6b7904bcfe809542216e12e4b48933fcb47d2d1d
Author: Bowen Li <bo...@gmail.com>
Date:   2017-09-22T05:33:17Z

    FLINK-7659 Unprotected access to inProgress in JobCancellationWithSavepointHandlers#handleNewRequest

----


> Unprotected access to inProgress in JobCancellationWithSavepointHandlers#handleNewRequest
> -----------------------------------------------------------------------------------------
>
>                 Key: FLINK-7659
>                 URL: https://issues.apache.org/jira/browse/FLINK-7659
>             Project: Flink
>          Issue Type: Bug
>          Components: REST
>            Reporter: Ted Yu
>            Assignee: Bowen Li
>
> Here is related code:
> {code}
>               } finally {
>                 inProgress.remove(jobId);
>               }
> {code}
> A little lower, in another finally block, there is:
> {code}
>           synchronized (lock) {
>             if (!success) {
>               inProgress.remove(jobId);
> {code}
> which is correct.



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