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https://issues.apache.org/jira/browse/FLINK-5350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15757568#comment-15757568
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ASF GitHub Bot commented on FLINK-5350:
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Github user EronWright commented on the issue:
https://github.com/apache/flink/pull/3017
@mxm please consider adding me as a reviewer for changes to the security
subsystem in the near term. I believe this PR introduces a regression where
it fails to install a Hadoop security context for "ticket cache" and
"delegation token" scenarios (which don't rely on a keytab).
> Don't overwrite existing Jaas config property
> ---------------------------------------------
>
> Key: FLINK-5350
> URL: https://issues.apache.org/jira/browse/FLINK-5350
> Project: Flink
> Issue Type: Bug
> Components: Security
> Affects Versions: 1.2.0
> Reporter: Maximilian Michels
> Assignee: Maximilian Michels
> Fix For: 1.2.0
>
>
> If an existing Jaas configuration has been specified via the property
> {{java.security.auth.login.config}}, it should be used instead of overwriting
> the property.
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