unity loose its panel bar in running the java monkey engine program

[mohamed salama]

unity loose its panel bar the found in the top of the window if i start the jmonkey engine program

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
Architecture: i386
Date: Sat May 14 19:50:24 2011
ExecutablePath: /usr/lib/jvm/java-6-openjdk/jre/bin/java
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
LocalLibraries: /home/salama/.jmonkeyplatform/liblwjgl.so
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_US.UTF-8
 LANGUAGE=en_US:en
SourcePackage: openjdk-6
UpgradeStatus: No upgrade log present (probably fresh install)