[jira] [Commented] (FLINK-9022) fix resource close in `StreamTaskStateInitializerImpl.streamOperatorStateContext()`

[ASF GitHub Bot (JIRA)]

    [ 
https://issues.apache.org/jira/browse/FLINK-9022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16404681#comment-16404681
 ] 

ASF GitHub Bot commented on FLINK-9022:
---------------------------------------

GitHub user sihuazhou opened a pull request:

    https://github.com/apache/flink/pull/5716

    [FLINK-9022][state] fix resource release in 
StreamTaskStateInitializerImpl.streamOperatorStateContext()

    ## What is the purpose of the change
    
    This PR fixes the bug in 
`StreamTaskStateInitializerImpl.streamOperatorStateContext()` related to 
resource releasing.
    
    ## Brief change log
    
    - fix resource release in 
StreamTaskStateInitializerImpl.streamOperatorStateContext()
    
    ## 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:
    
      - Dependencies (does it add or upgrade a dependency): (no)
      - The public API, i.e., is any changed class annotated with 
`@Public(Evolving)`: (no)
      - The serializers: (no)
      - The runtime per-record code paths (performance sensitive): (no)
      - Anything that affects deployment or recovery: JobManager (and its 
components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
      - The S3 file system connector: (no)
    
    ## 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/sihuazhou/flink 
fix_resource_close_in_StreamTaskStateInitializerImpl

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

    https://github.com/apache/flink/pull/5716.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 #5716
    
----
commit e5591005f8470f24bae30670c2c9094d13b9f35c
Author: sihuazhou <summerleafs@...>
Date:   2018-03-19T11:48:32Z

    fix resource release in 
StreamTaskStateInitializerImpl.streamOperatorStateContext()

----


> fix resource close in 
> `StreamTaskStateInitializerImpl.streamOperatorStateContext()`
> -----------------------------------------------------------------------------------
>
>                 Key: FLINK-9022
>                 URL: https://issues.apache.org/jira/browse/FLINK-9022
>             Project: Flink
>          Issue Type: Bug
>          Components: State Backends, Checkpointing
>    Affects Versions: 1.5.0
>            Reporter: Sihua Zhou
>            Assignee: Sihua Zhou
>            Priority: Major
>             Fix For: 1.5.0
>
>
> We have the following code in 
> {{StreamTaskStateInitializerImpl.streamOperatorStateContext()}} which is 
> incorrect:
> {code}
> } catch (Exception ex) {
>       // cleanup if something went wrong before results got published.
>       if 
> (streamTaskCloseableRegistry.unregisterCloseable(keyedStatedBackend)) {
>               IOUtils.closeQuietly(keyedStatedBackend);
>       }
>       if 
> (streamTaskCloseableRegistry.unregisterCloseable(operatorStateBackend)) {
>               IOUtils.closeQuietly(keyedStatedBackend); // this should close 
> operatorStateBackend
>       }
>       if 
> (streamTaskCloseableRegistry.unregisterCloseable(rawKeyedStateInputs)) {
>               IOUtils.closeQuietly(rawKeyedStateInputs);
>       }
>       if 
> (streamTaskCloseableRegistry.unregisterCloseable(rawOperatorStateInputs)) {
>               IOUtils.closeQuietly(rawOperatorStateInputs);
>       }
>       if 
> (streamTaskCloseableRegistry.unregisterCloseable(rawOperatorStateInputs)) {
>               IOUtils.closeQuietly(rawOperatorStateInputs);
>       }
>       throw new Exception("Exception while creating 
> StreamOperatorStateContext.", ex);
> }
> {code}        



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