Problems of MDIApp.java with cross-platform JMF.

Is there anyone ever tested the code MDIApp.java (http://java.sun.com/products/java-media/jmf/2.1.1/solutions/SwingJMF.html) with cross-platform JMF before? I didn't change anything of the code, but I got the following errors when trying to play a quicktime movie.
Unable to handle format: JPEG, 512x384, FrameRate=2.0, Length=29833
Failed to realize: com.sun.media.PlaybackEngine@9945ce
Error: Unable to realize com.sun.media.PlaybackEngine@9945ce
The code works fine with JMF windows/Linux performance pack. As claimed on their webpage, the code is supposed to work with all-java version of JMF. Can anybody help? Thanks a lot.
Daniel.

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Hi Jeanfrancois,
Your suggestion has lead me to find my problem. There were actually three problems.
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3) I then added the sun-web.xml file. This file was missing before hand as I thought it was unnessary. However, this file added the essential mapping from a role to a group. After adding this, it now started to work.
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Problems of MDIApp.java with cross-platform JMF.

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