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Posted to common-dev@hadoop.apache.org by "Paul Han (JIRA)" <ji...@apache.org> on 2013/06/06 02:18:20 UTC

[jira] [Created] (HADOOP-9625) HADOOP_OPTS not picked up by hadoop command

Paul Han created HADOOP-9625:
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             Summary: HADOOP_OPTS not picked up by hadoop command
                 Key: HADOOP-9625
                 URL: https://issues.apache.org/jira/browse/HADOOP-9625
             Project: Hadoop Common
          Issue Type: Improvement
          Components: bin, conf
    Affects Versions: 2.0.4-alpha, 2.0.3-alpha
            Reporter: Paul Han
            Priority: Minor


When migrating from hadoop 1 to hadoop 2, one thing caused our users grief are those non-backward-compatible changes. This JIRA is to fix one of those changes:
  HADOOP_OPTS is not picked up any more by hadoop command

With Hadoop 1, HADOOP_OPTS will be picked up by hadoop command. With Hadoop 2, HADOOP_OPTS will be overwritten by the line in conf/hadoop_env.sh :

export HADOOP_OPTS="-Djava.net.preferIPv4Stack=true"

We should fix this.

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