rkhachatryan commented on a change in pull request #14683:
URL: https://github.com/apache/flink/pull/14683#discussion_r560087455
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CheckpointsCleaner.java
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@@ -62,8 +62,15 @@ public void cleanCheckpoint(
}
}
} finally {
- numberOfCheckpointsToClean.decrementAndGet();
- postCleanAction.run();
+ try {
+ numberOfCheckpointsToClean.decrementAndGet();
+ postCleanAction.run();
+ } catch (Exception e) {
+ LOG.error(
+ "Error while cleaning up checkpoint {}",
+ checkpoint.getCheckpointID(),
+ e);
Review comment:
The calling thread already acquires `CheckpointCoordinator.lock` and
then `checkpoint.lock`. So it will be enough to synchronize on
`checkpoint.lock` in `postCleanAction` to have a deadlock.
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