Description: Sometimes the control panel strip of MediaPlayer is blank when content is playing. All the buttons on the panel are then invisible.

OS: Microsoft Windows XP [Version 5.1.2600]

Java: java version "1.5.0_06", Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05), Java HotSpot(TM) Client VM (build 1.5.0_06-b05, mixed

mode, sharing)

JMF: jmf-2_1_1e-windows

Web browser: IE 6.0.2900.2180.xpsp_sp2_gdr.050301-1519 or Firefox 1.0.7

Source code: under the "JMF_samples" directory

1. Run as an Applet with any .wav audio file or .avi video file
2. Click the "refresh" button of your browser (I use IE or Firefox) until the control panel strip turns to blank.
In general, it appears within 20 clicks of "refresh" button.
Related bugs:
Bug ID: 4235319
Synopsis ControlPanel is not compatible with Swing

The URL is
The Java code is available at
The VIDEO file is at
The AUDIO file is at

Does anyone know how to correct it?
Thanks in advance!