That's a bug in the 64Bit version of the Sun JDK/JRE. You should add to your eclipse.ini the following line: -XX:-UseCompressedOops
see https://bugs.eclipse.org/bugs/show_bug.cgi?id=333227 for some details A lot of distributions have been bitten by this bug during the last weeks. ** Bug watch added: Eclipse bugs #333227 https://bugs.eclipse.org/bugs/show_bug.cgi?id=333227 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/699859 Title: eclipse (Helios) crashes at random -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs