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https://issues.apache.org/jira/browse/FLINK-15561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17042273#comment-17042273
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Rong Rong commented on FLINK-15561:
-----------------------------------
fixed:
master: 57c33961a55cff1068345198cb4669d9f1313bf8
release-1.10: 8751e69037d8a9b1756b75eed62a368c3ef29137
> Improve Kerberos delegation token login
> ----------------------------------------
>
> Key: FLINK-15561
> URL: https://issues.apache.org/jira/browse/FLINK-15561
> Project: Flink
> Issue Type: Sub-task
> Components: Deployment / YARN
> Reporter: Rong Rong
> Assignee: Rong Rong
> Priority: Major
> Labels: pull-request-available, usability
> Fix For: 1.10.1, 1.11.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Inspired by the discussion in
> [http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Yarn-Kerberos-issue-td31894.html#a31933]
>
> Currently the security HadoopModule handles delegation token login utilizes 2
> different code path.
> Flink needs to to ensure delegation token is also a valid format of
> credential when launching YARN context. See [1]
> [https://github.com/apache/flink/blob/master/flink-yarn/src/main/java/org/apache/flink/yarn/YarnClusterDescriptor.java#L484]
> and [2]
> [https://github.com/apache/flink/blob/master/flink-runtime/src/main/java/org/apache/flink/runtime/security/modules/HadoopModule.java#L146]
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