collectd/collectd — pull request #195 by rubenk (2012-11-18 10:39:45+00:00)
Title: Fallback to /usr/lib/jvm if JAVA_HOME is not set

This makes the java plugin build out of the box
on systems with a JDK installed.
/usr/lib/jvm is the default location for the JDK
on at least Fedora, Red Hat and Debian.