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From "Jay Finger (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8464) hadoop-env.sh is included twice: once via hadoop-config.sh the again explicitly via scripts
Date Fri, 01 Jun 2012 16:39:23 GMT
Jay Finger created HADOOP-8464:
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             Summary: 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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