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Currently my JAVA_HOME is set to a JDK that is 1.4.2.
To run Maven 3, I would need 1.5 and above.
Is there any way to instruct my Maven installation to use another JDK that is installed other than changing the JAVA_HOME environment variable?
That’s pretty much the way to do it. I assume you mean you don’t want to change your global JAVA_HOME. That’s fine. You just need to set a different JAVA_HOME for Maven. You can easily do that by creating a file at
/etc/mavenrcor~/.mavenrc(Linux) or%HOME%\mavenrc_pre.bat(Windows) with the appropriate JAVA_HOME defined in it. Maven executes those on startup if they exist unless you’ve defined a variable namedMAVEN_SKIP_RC. You could also modify the Maven startup scripts directly, but there’s no good reason for that since it gives you these nice hooks.