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https://issues.apache.org/jira/browse/FLINK-19154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kostas Kloudas closed FLINK-19154.
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Resolution: Fixed
master: f29a18e0f01c5bddffb8fa60c7b769b8c418f453
1.11: 3dd57624b2df7a856352a64a89af8606ae0c61a4
> Application mode deletes HA data in case of suspended ZooKeeper connection
> --------------------------------------------------------------------------
>
> Key: FLINK-19154
> URL: https://issues.apache.org/jira/browse/FLINK-19154
> Project: Flink
> Issue Type: Bug
> Components: Client / Job Submission
> Affects Versions: 1.12.0, 1.11.1
> Environment: Run a stand-alone cluster that runs a single job (if you
> are familiar with the way Ververica Platform runs Flink jobs, we use a very
> similar approach). It runs Flink 1.11.1 straight from the official docker
> image.
> Reporter: Husky Zeng
> Assignee: Kostas Kloudas
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.12.0, 1.11.3
>
>
> A user reported that Flink's application mode deletes HA data in case of a
> suspended ZooKeeper connection [1].
> The problem seems to be that the {{ApplicationDispatcherBootstrap}} class
> produces an exception (that the request job can no longer be found because of
> a lost ZooKeeper connection) which will be interpreted as a job failure. Due
> to this interpretation, the cluster will be shut down with a terminal state
> of FAILED which will cause the HA data to be cleaned up. The exact problem
> occurs in the {{JobStatusPollingUtils.getJobResult}} which is called by
> {{ApplicationDispatcherBootstrap.getJobResult()}}.
> The above described behaviour can be found in this log [2].
> [1]
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Checkpoint-metadata-deleted-by-Flink-after-ZK-connection-issues-td37937.html
> [2] https://pastebin.com/raw/uH9KDU2L
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