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https://issues.apache.org/jira/browse/OOZIE-1794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13980302#comment-13980302
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Robert Kanter commented on OOZIE-1794:
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Oops. Thanks for pointing that out. I just fixed it.
> java-opts and java-opt in the Java action don't always work properly in YARN
> ----------------------------------------------------------------------------
>
> Key: OOZIE-1794
> URL: https://issues.apache.org/jira/browse/OOZIE-1794
> Project: Oozie
> Issue Type: Bug
> Affects Versions: trunk
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Fix For: trunk
>
> Attachments: OOZIE-1794.patch, OOZIE-1794.patch, OOZIE-1794.patch,
> OOZIE-1794.patch
>
>
> Currently, when you set {{<java-opts>}} or {{<java-opt>}} in the Java action,
> it essentially appends these to {{mapred.child.java.opts}} in the launcher
> job.
> In YARN, this property is deprecated in favor or {{mapreduce.map.java.opts}}
> and {{mapreduce.reduce.java.opts}}. And if
> {{mapreduce.map/reduce.java.opts}} is set, {{mapred.child.java.opts}} will be
> ignored. So in a YARN cluster where mapred-site.xml has
> {{mapreduce.map.java.opts}} set to something, {{<java-opts>}} and
> {{<java-opt>}} won't work at all.
> We should have {{<java-opts>}} and {{<java-opt>}} append to both
> {{mapred.child.java.opts}} and {{mapreduce.map.java.opts}}.
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