[jira] [Created] (HADOOP-7894) bin and sbin commands don't use JAVA_HOME when run from the tarball

["Eli Collins (Created) (JIRA)" <ji...@apache.org>]

bin and sbin commands don't use  JAVA_HOME when run from the tarball 
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                 Key: HADOOP-7894
                 URL: https://issues.apache.org/jira/browse/HADOOP-7894
             Project: Hadoop Common
          Issue Type: Bug
          Components: build
    Affects Versions: 0.23.0
            Reporter: Eli Collins


When running eg ./sbin/start-dfs.sh from a tarball the scripts complain JAVA_HOME is not set and could not be found even if the env var is set.

{noformat}
hadoop-0.24.0-SNAPSHOT $ echo $JAVA_HOME
/home/eli/toolchain/jdk1.6.0_24-x64
hadoop-0.24.0-SNAPSHOT $ ./sbin/start-dfs.sh 
log4j:ERROR Could not find value for key log4j.appender.NullAppender
log4j:ERROR Could not instantiate appender named "NullAppender".
Starting namenodes on [localhost]
localhost: Error: JAVA_HOME is not set and could not be found.
{noformat}

I have to explicitly set this via hadoop-env.

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