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https://issues.apache.org/jira/browse/FLINK-23901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17402146#comment-17402146
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Chesnay Schepler commented on FLINK-23901:
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As
[documented|https://ci.apache.org/projects/flink/flink-docs-release-1.13/docs/ops/upgrading/#upgrading-applications-and-flink-versions]
to upgrade a job to a different Flink version you should cancel the job with a
savepoint, and resubmit the job to the upgraded cluster.
> Fink with HA, upgrade from 1.12.1 to 1.13.2 causes NPE
> ------------------------------------------------------
>
> Key: FLINK-23901
> URL: https://issues.apache.org/jira/browse/FLINK-23901
> Project: Flink
> Issue Type: Bug
> Affects Versions: 1.13.2
> Reporter: Parag Somani
> Priority: Critical
> Attachments: flink-job-manager-NPE.log
>
>
> Hello,
> I am using Flink 1.12.1 in production with zk as HA in k8s env. Recently due
> to some restart strategy related issue, I have upgraded to 1.13.2.
> We are using HA along with checkpoint enabled. when i tried to deploy with
> latest version, it threw Null pointer exception while restoring from a
> checkpoint.
> env details:
> {code:java}
> 1. deployed on k8s
> 2. ZK for HA with AWS
> 3. Flink version 1.13.2 (upgraded from 1.12.1)
> {code}
> PSB logs : flink-job-manager-NPE.log
>
> Raising as critical because it is blocking upgrade from 1.12.1 while
> restoring from checkpoint
>
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