Same problem as Paul here. Clean install with the openjdk-7-jdk and visualvm packages and the jdkhome setting is overridden by the package installed /etc/visualvm/visualvm.conf to:
jdkhome="/usr/lib/jvm/java-6-openjdk-amd64"
Commenting out the offending line fixes the problem.
Same problem as Paul here. Clean install with the openjdk-7-jdk and visualvm packages and the jdkhome setting is overridden by the package installed /etc/visualvm/ visualvm. conf to: "/usr/lib/ jvm/java- 6-openjdk- amd64"
jdkhome=
Commenting out the offending line fixes the problem.