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https://issues.apache.org/jira/browse/FLINK-5942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15923757#comment-15923757
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ASF GitHub Bot commented on FLINK-5942:
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Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/3449
Merging this PR.
> Harden ZooKeeperStateHandleStore to deal with corrupted data
> ------------------------------------------------------------
>
> Key: FLINK-5942
> URL: https://issues.apache.org/jira/browse/FLINK-5942
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Affects Versions: 1.2.0, 1.1.4, 1.3.0
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
>
> The {{ZooKeeperStateHandleStore}} cannot handle corrupted Znode data. When
> calling {{ZooKeeperStateHandleStore.getAll}} or {{getAllSortedByName}} and
> reading a node with corrupted data, the whole operation will fail. In such a
> situation, Flink won't be able to recover because it will read over and over
> again the same corrupted Znodes (in the recovery case). Therefore, I propose
> to ignore Znodes whose data cannot be read.
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