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Posted to issues@flink.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/03/19 11:53:00 UTC
[jira] [Commented] (FLINK-9022) fix resource close in
`StreamTaskStateInitializerImpl.streamOperatorStateContext()`
[ 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 <su...@...>
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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