Okay, should be fixed in the next release. $ dpkg -L eclipse-source | grep features/org.eclipse.platform.source_3.1.1/feature.xml /usr/lib/eclipse/features/org.eclipse.platform.source_3.1.1/feature.xml /usr/share/eclipse/features/org.eclipse.platform.source_3.1.1/feature.xml Stephan Michels.