Java crashes on Pipe 3.0

Using Pipe 3.0 and submitting State Space Analisys java crashes and the process switch to sleep staus.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: openjdk-6-jre-headless 6b22-1.10.1-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
NonfreeKernelModules: fglrx wl
Architecture: i386
Date: Thu Jun 9 15:31:13 2011
ExecutablePath: /usr/lib/jvm/java-6-openjdk/jre/bin/java
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcEnviron:
 LANGUAGE=it_IT:en
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
SourcePackage: openjdk-6
UpgradeStatus: No upgrade log present (probably fresh install)