Eclipse 3.5.2-8ubuntu2 hangs on startup with java running on 100%

[tafsen]

Binary package hint: eclipse

When I try to start Eclipse it don't pass the welcome screen. When I check "top", "java" is running with 100% cpu.

Description: Ubuntu Natty (development branch)
Release: 11.04
AMD64

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: eclipse-platform 3.5.2-8ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-6.34-generic 2.6.38-rc7
Uname: Linux 2.6.38-6-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Sun Mar 13 15:57:11 2011
EcryptfsInUse: Yes
ExecutablePath: /usr/lib/eclipse/eclipse
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110312)
ProcEnviron:
 LANGUAGE=nn_NO:en
 LANG=nn_NO.UTF-8
 SHELL=/bin/bash
SourcePackage: eclipse
UpgradeStatus: No upgrade log present (probably fresh install)
xulrunner-versions: