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https://issues.apache.org/jira/browse/FLINK-6052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler reassigned FLINK-6052:
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Assignee: Chesnay Schepler
> Potential null access in
> ZooKeeperCompletedCheckpointStore#getLatestCheckpoint()
> --------------------------------------------------------------------------------
>
> Key: FLINK-6052
> URL: https://issues.apache.org/jira/browse/FLINK-6052
> Project: Flink
> Issue Type: Bug
> Components: Distributed Coordination, State Backends, Checkpointing
> Affects Versions: 1.3.0
> Reporter: Ted Yu
> Assignee: Chesnay Schepler
> Priority: Minor
>
> {code}
> Tuple2<RetrievableStateHandle<CompletedCheckpoint>, String>
> checkpointStateHandle = checkpointStateHandles.peekLast();
> try {
> return retrieveCompletedCheckpoint(checkpointStateHandle);
> } catch (Exception e) {
> LOG.warn("Could not retrieve latest checkpoint. Removing it from " +
> "the completed checkpoint store.", e);
> try {
> // remove the checkpoint with broken state handle
> removeBrokenStateHandle(checkpointStateHandles.pollLast());
> } catch (Exception removeException) {
> {code}
> The code should handle the case where peekLast() / pollLast() returns null.
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