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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