Hi,
I'm also facing the same issue although the problem seems to be related to XRender. I've installed on earlier Ubuntu version with no issues so it seems to be related specifically to 11.04:
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.javaws.Launcher.executeApplication(Launcher.java:1804)
at com.sun.javaws.Launcher.executeMainClass(Launcher.java:1750)
at com.sun.javaws.Launcher.doLaunchApp(Launcher.java:1512)
at com.sun.javaws.Launcher.run(Launcher.java:130)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.UnsatisfiedLinkError: Unable to load library 'Xrender': libXrender.so: cannot open shared object file: No such file or directory
at com.sun.jna.NativeLibrary.loadLibrary(NativeLibrary.java:163)
at com.sun.jna.NativeLibrary.getInstance(NativeLibrary.java:236)
at com.sun.jna.Library$Handler.<init>(Library.java:140)
at com.sun.jna.Native.loadLibrary(Native.java:379)
at com.sun.jna.Native.loadLibrary(Native.java:364)
at com.sun.jna.platform.unix.X11$Xrender.<clinit>(X11.java:273)
at com.sun.jna.platform.WindowUtils$X11WindowUtils.getAlphaVisualIDs(WindowUtils.java:1242)
at com.sun.jna.platform.WindowUtils$X11WindowUtils.isWindowAlphaSupported(WindowUtils.java:1171)
at com.sun.jna.platform.WindowUtils$X11WindowUtils.setWindowTransparent(WindowUtils.java:1403)
at com.sun.jna.platform.WindowUtils.setWindowTransparent(WindowUtils.java:1549)
at com.eviware.loadui.launcher.api.SplashController.openSplash(SplashController.java:27)
at com.eviware.loadui.launcher.LoadUILauncher.processCommandLine(LoadUILauncher.java:222)
at com.eviware.loadui.launcher.LoadUILauncher.init(LoadUILauncher.java:151)
at com.eviware.loadui.launcher.LoadUILauncher.main(LoadUILauncher.java:62)
... 9 more
