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https://issues.apache.org/jira/browse/FLINK-5246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15719832#comment-15719832
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ASF GitHub Bot commented on FLINK-5246:
---------------------------------------
Github user uce commented on a diff in the pull request:
https://github.com/apache/flink/pull/2930#discussion_r90775397
--- Diff:
flink-runtime/src/main/scala/org/apache/flink/runtime/jobmanager/JobManager.scala
---
@@ -1376,6 +1376,24 @@ class JobManager(
// addressed to the periodic checkpoint coordinator.
log.info("Received message for non-existing checkpoint
" +
ackMessage.getCheckpointId)
+
+ val classLoader =
Option(libraryCacheManager.getClassLoader(jid)) match {
--- End diff --
Should we add comment here that we do this here to prevent lingering state
if both coordinators already cleared the pending checkpoint?
> Don't discard unknown checkpoint messages in the CheckpointCoordinator
> ----------------------------------------------------------------------
>
> Key: FLINK-5246
> URL: https://issues.apache.org/jira/browse/FLINK-5246
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Affects Versions: 1.1.4
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Fix For: 1.1.4
>
>
> The delicate interplay of the {{CheckpointCoordinator}} and the
> {{SavepointCoordinator}} requires that unknown checkpoint messages are not
> discarded but given to the other coordinator. If both coordinator don't
> accept the checkpoint message, then the associated state will be discarded by
> the {{JobManager}}.
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