mvn script cannot compile sources which use java 1.6 classes if JAVA_HOME is set
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                 Key: MNG-3707
                 URL: http://jira.codehaus.org/browse/MNG-3707
             Project: Maven 2
          Issue Type: Bug
          Components: Command Line
            Reporter: Brian McCallister


The section of the mvn script:

  Darwin*) darwin=true 
           if [ -z "$JAVA_VERSION" ] ; then
             JAVA_VERSION="CurrentJDK"
           else
             echo "Using Java version: $JAVA_VERSION"
           fi
           if [ -z "$JAVA_HOME" ] ; then
             
JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/${JAVA_VERSION}/Home
           fi
           ;;

ignores JAVA_VERSION if JAVA_HOME is set. This would be fine if it would 
compile against the version of java specified in JAVA_HOME, but it doesn't it 
compiles against the value pointed at by the 
/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK symlink, which 
is always 1.5 (even if you change java version so that the 
/System/Library/Frameworks/JavaVM.framework/Versions/Current symlink is updated 
by the OS).

I would prefer maven respect JAVA_HOME, but will take anything that allows me 
to leave JAVA_HOME set and still be able to compile things :-)

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