NullPointerException coming after javaws -uninstall

To reproduce:
javaws http://nicole1.sfbay.sun.com:8080/JavawsMustangIntegTest/demos/player.jnlp
javaws -uninstall

Exception coming:
java.lang.NullPointerException
   at com.sun.javaws.ui.SplashGenerator.<init>(Unknown Source)
   at com.sun.javaws.ui.SplashScreen.removeCustomSplash(Unknown Source)
   at com.sun.javaws.CacheUtil.remove(Unknown Source)
   at com.sun.javaws.CacheUtil.remove(Unknown Source)
   at com.sun.javaws.CacheUtil.remove(Unknown Source)
   at com.sun.javaws.Main.uninstallAll(Unknown Source)
   at com.sun.javaws.Main.uninstall(Unknown Source)
   at com.sun.javaws.Main.uninstallCache(Unknown Source)
   at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
   at com.sun.javaws.Main$1.run(Unknown Source)
   at java.lang.Thread.run(Unknown Source)