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Posted to issues@flink.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2017/01/13 19:33:26 UTC
[jira] [Created] (FLINK-5486) Lack of synchronization in
BucketingSink#handleRestoredBucketState()
Ted Yu created FLINK-5486:
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Summary: Lack of synchronization in BucketingSink#handleRestoredBucketState()
Key: FLINK-5486
URL: https://issues.apache.org/jira/browse/FLINK-5486
Project: Flink
Issue Type: Bug
Reporter: Ted Yu
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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