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Posted to issues@flink.apache.org by "Gary Yao (JIRA)" <ji...@apache.org> on 2018/10/14 09:02:00 UTC
[jira] [Reopened] (FLINK-5486) Lack of synchronization in
BucketingSink#handleRestoredBucketState()
[ https://issues.apache.org/jira/browse/FLINK-5486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gary Yao reopened FLINK-5486:
-----------------------------
> Lack of synchronization in BucketingSink#handleRestoredBucketState()
> --------------------------------------------------------------------
>
> Key: FLINK-5486
> URL: https://issues.apache.org/jira/browse/FLINK-5486
> Project: Flink
> Issue Type: Bug
> Components: Streaming Connectors
> Affects Versions: 1.5.0, 1.4.2, 1.6.0
> Reporter: Ted Yu
> Assignee: zhangminglei
> Priority: Major
>
> Here is related code:
> {code}
> handlePendingFilesForPreviousCheckpoints(bucketState.pendingFilesPerCheckpoint);
> synchronized (bucketState.pendingFilesPerCheckpoint) {
> bucketState.pendingFilesPerCheckpoint.clear();
> }
> {code}
> The handlePendingFilesForPreviousCheckpoints() call should be enclosed inside the synchronization block. Otherwise during the processing of handlePendingFilesForPreviousCheckpoints(), some entries of the map may be cleared.
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