OPERATING SYSTEM(S):
Linux

FULL JDK VERSION(S):
java version "1.6.0_04"
Java(TM) SE Runtime Environment (build 1.6.0_04-b12)
Java HotSpot(TM) Client VM (build 10.0-b19, mixed mode)

DESCRIPTION:
Testcase launches applets from demo folder.Tested with mozilla seamonkey 1.0.3.

STEPS TO REPRODUCE:

1. Install the sdk rpm.
2. Link the plugin with the browser, cd to firefox/plugins directory and execute the below command:
>>ln -s ~/jdk6_04/jre/plugin/i386/ns7/libjavaplugin_oji.so .
3. Enable java console
       a) Launch the control panel by executing the command : >> ~/jdk6_04/jre/bin/ControlPanel
       b) Go to Advanced tab - > Java Console and select show console radio button.
4. Launch the applets from demo folder,in the browser

The following exception is thrown in the java console.

Exception in thread "Thread-17" java.lang.NullPointerException
at sun.plugin.util.AnimationPanel.createTranslucentImage(AnimationPanel.java:231)
at sun.plugin.util.AnimationPanel.createGradientShapeImage(AnimationPanel.java:243)
at sun.plugin.util.AnimationPanel.initBackground(AnimationPanel.java:343)
at sun.plugin.util.AnimationPanel.preloadResources(AnimationPanel.java:508)
at sun.plugin.util.AnimationPanel.doPaint(AnimationPanel.java:564)
at sun.plugin.util.AnimationPanel.run(AnimationPanel.java:1062)
at java.lang.Thread.run(Thread.java:619)

The problem is intermittent.

Expected Result:
The exception should not be thrown.

Observed Result:
Intermittent problem exception is thrown in the java console.