Installing openjdk-6-jre did not help. I get this error-message if I run eclipse from terminal: /usr/lib/jvm/java-6-openjdk/bin/java: symbol lookup error: /home/fgeek/.eclipse/org.eclipse.platform_3.2.0/configuration/org.eclipse.osgi/bundles/82/1/.cp/libswt-mozilla-gtk-3236.so: undefined symbol: _ZN4nsID5ParseEPKc