[
https://issues.apache.org/jira/browse/FLINK-5855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15980981#comment-15980981
]
ASF GitHub Bot commented on FLINK-5855:
---------------------------------------
Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/3758
Not sure why we're synchronizing on the `pendingFilesPerCheckpoint` field
at all, because it is only the restored state object. Maybe @kl0u can shed some
light on that.
> Unprotected access to pendingFilesPerCheckpoint in BucketingSink
> ----------------------------------------------------------------
>
> Key: FLINK-5855
> URL: https://issues.apache.org/jira/browse/FLINK-5855
> Project: Flink
> Issue Type: Bug
> Components: Streaming Connectors
> Reporter: Ted Yu
> Assignee: mingleizhang
> Priority: Minor
>
> {code}
> handlePendingFilesForPreviousCheckpoints(restoredState.pendingFilesPerCheckpoint);
> synchronized (restoredState.pendingFilesPerCheckpoint) {
> restoredState.pendingFilesPerCheckpoint.clear();
> {code}
> Lock on pendingFilesPerCheckpoint should be obtained prior to the call to
> handlePendingFilesForPreviousCheckpoints().
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)