[jira] (MNG-5423) mvn shell script doesn't always export JAVA_HOME

["Tom Mueller (JIRA)" <ji...@codehaus.org>]

Tom Mueller created MNG-5423:
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             Summary: mvn shell script doesn't always export JAVA_HOME
                 Key: MNG-5423
                 URL: https://jira.codehaus.org/browse/MNG-5423
             Project: Maven 2 & 3
          Issue Type: Bug
          Components: Command Line
    Affects Versions: 3.0.4, 3.1.0
            Reporter: Tom Mueller


There are code paths through the mvn shell script that do not result in JAVA_HOME being exported if it is not set when entering the script. 

I found this in 3.0.4 on MacOS X. JAVA_HOME gets set at line 117, but then is never exported, so the java process doesn't get the value. Based on reading the code, I see other paths through the script where JAVA_HOME is not exported even though it gets set by the script. 

On the head, there are statements like the following (line 65):

export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/CurrentJDK/Contents/Home

This is not valid /bin/sh syntax.  /bin/sh does not allow the export to be on the same line where the environment variable is set. There are also paths on the head where JAVA_HOME is not exported when it is set. 


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