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https://issues.apache.org/jira/browse/FLINK-6031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16014338#comment-16014338
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ASF GitHub Bot commented on FLINK-6031:
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GitHub user zentol opened a pull request:
https://github.com/apache/flink/pull/3931
[FLINK-6031][yarn] Add config parameter for user-jar inclusion in cla…
This PR adds a config parameter to control how user-jars are being handled
in regards ot the system class path for per-job yarn clusters.
The parameter allows:
* to disable the inclusion in the system classpath and use the user
classpath instead ("DISABLE")
* prepend the user jars to the system class path ("FIRST")
* append the user jars to the system class path ("LAST")
* (default) add the user jars to the system class path based on the
lexicographic order ("ORDER")
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zentol/flink 6031_yarn_userjars
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3931.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3931
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> Add parameter for per job yarn clusters to control whether the user code jar
> is included into the system classloader.
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-6031
> URL: https://issues.apache.org/jira/browse/FLINK-6031
> Project: Flink
> Issue Type: Bug
> Components: YARN
> Reporter: Robert Metzger
> Assignee: Chesnay Schepler
> Priority: Critical
>
> FLINK-4913 added the user jar into the system classloader, when starting a
> Flink per job YARN cluster.
> Some users were experiencing issues with the changed behavior.
> I suggest to introduce a new yarn specific configuration parameter (for the
> flink-conf.yaml file) to control if the user jar is added into system
> classloader.
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