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https://issues.apache.org/jira/browse/HADOOP-8464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved HADOOP-8464.
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Resolution: Duplicate
Duping this to HADOOP-9902 which fixed this.
> hadoop-env.sh is included twice: once via hadoop-config.sh the again
> explicitly via scripts
> -------------------------------------------------------------------------------------------
>
> Key: HADOOP-8464
> URL: https://issues.apache.org/jira/browse/HADOOP-8464
> Project: Hadoop Common
> Issue Type: Bug
> Components: conf
> Affects Versions: 2.0.0-alpha
> Reporter: Jay Finger
>
> Many (most? all?) scripts include hadoop-env.sh twice. The first time is
> indirectly: scripts do ". hadoop-config.sh" and hadoop-config.sh then does
> ". hadoop-env.sh". Then scripts will later directly do ". hadoop-env.sh".
> This double-include is error prone.
> Note several Jira's reporting issues with HADOOP_LOG_DIR set to /user/user
> (e.g. /root/root, /hadoop/hadop, etc). This is because hadoop-env.sh has
> done "HADOOP_LOG_DIR=$HADOOP_LOG_DIR/$user". Many fixes for those issues are
> around addressing that one line, but it seems that this is going to be a
> recurring theme of breakages. It's probably also why services are routinely
> started with many command line arguments repeated multiple times.
> I'm not familiar enough with the "design" of all the scripts, so not sure
> what the solution should be.
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