Better detection of JAVA_HOME on Apple Mac OS X
-----------------------------------------------
Key: MNG-4226
URL: http://jira.codehaus.org/browse/MNG-4226
Project: Maven 2
Issue Type: Improvement
Components: Command Line
Reporter: Alin Dreghiciu
On mac JAVA_HOME is detected by using the following code:
{code}
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/${JAVA_VERSION}/Home
fi
{code}
But this does not work in collaboration with Using "Java preferences" to change
the actual java version to use as "CurrentJDK" does not change once you update
the "java applications" order.
There is an alternative (at least on Leopard) for determining current java home
that is based on Java Preferences by using an apple provided script. So, as a
replacement fo rthe code above the following could be used.
{code}
if [ -z "$JAVA_HOME" ] ; then
JAVA_HOME=`/usr/libexec/java_home | tail -1`
fi
{code}
Could also be taht this is teh first attempt and if fails use the current way
of determining home.
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