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https://issues.apache.org/jira/browse/OOZIE-1958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryota Egashira updated OOZIE-1958:
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Attachment: OOZIE-1958-v3.patch
> address duplication of env variables in
> oozie.launcher.yarn.app.mapreduce.am.env when running with uber mode
> ------------------------------------------------------------------------------------------------------------
>
> Key: OOZIE-1958
> URL: https://issues.apache.org/jira/browse/OOZIE-1958
> Project: Oozie
> Issue Type: Bug
> Reporter: Ryota Egashira
> Assignee: Ryota Egashira
> Fix For: 4.1.0
>
> Attachments: OOZIE-1958-v3.patch
>
>
> Hadoop 2.X has the weird behavior to translate yarn.app.mapreduce.am.env,
> JAVA_HOME=/home/gs/java/jdk64/current,JAVA_HOME=/home/gs/java/jdk64/current
> to
> JAVA_HOME=/home/gs/java/jdk64/current:JAVA_HOME=/home/gs/java/jdk64/current
> due to this, some of env variables are not taken in effect properly.
> this problem happens when running launcher with uber mode in Hadoop 2.X,
> since oozie copies mapreduce.map.env to yarn.app.mapreduce.am.env, like
> following case
>
> {code}
> <property>
> <name>oozie.launcher.mapreduce.map.env</name>
> <value>JAVA_HOME=/home/gs/java/jdk64/current</value>
> </property>
> <property>
> <name>oozie.launcher.yarn.app.mapreduce.am.env</name>
> <value>JAVA_HOME=/home/gs/java/jdk64/current</value>
> </property>
> {code}
> this patch is to do
> 1) Deduplication before appending map.env to am.env
> 2) If there is a conflict, turn of uber mode AM.
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