Java Plugin 1.4.1 hangs on IE6 close (Win98, WinNT)

Hi everybody,
I have an applet that connects to a server over HTTP. It uses swing(complicated gui with tables, dialog boxes, etc.) and multi-threading.
In Applet.dispose() method, I make one final call to the server if necessary and make sure to kill all started threads. In 1.4.0 it worked fine (exept for the ugly proxy bug ID 4638241). In 1.4.1 it works fine with Netscape 7 on any platform and IE6 on Win2000. However on Win98 and WinNT when I try to close the browser window, the whole IE6 process(2 windows) and the JavaConsole hangs. The only way to close the browser is to kill it with EndTask.
Here are the actions and the debug info in the JavaConsole:
Opening the page with the applet
Initializing... my message
Trace level set to 5: basic, net, security,ext, liveconnect ... completed
Stopping applet ...
Joining applet thread ...
Destroying applet ...
Disposing applet ...
Quiting applet ...
Applet stop method called my message in Applet.stop() method
Disconnecting... my message in the begining of the Applet.destroy() method
Here all running threads are forced to exit
Diskonnected OK... my message in the end of the Applet.destroy() method
Joined applet thread ...
Unregistered modality listener ...
Finding information ...
Releasing classloader: sun.plugin.ClassLoaderInfo@c01e99, refcount=0
Caching classloader: sun.plugin.ClassLoaderInfo@c01e99
Current classloader cache size: 1
Done ...
The first strange thing is that java reports the stop and destroy events long before I print a debuging info from the applet. But this may be due to the asynchronous printing to the JavaConsole
When the plugin hangs it reaches at maximum Joining applet thread ... message. But sometimes nothing is printed.
It appears that the Plugin prefers to hang more after a connection to the server has been made. In other words the chance of hanging before connecting to the server is 2% and the chance of hanging after connecting to the server is 98%.
Any clues or similar behavior?
thanks

I'm usin gthe 1.4.1 plugin and the browser hangs while trying to initialize the applet. Similiar to your problem, the only way to get out of this is to kill the IE6 window itself. This only happens on some machines. It seems like it has nothing to do with the code of the applet. Navigate to a simple "Hello World" example out in the internet and see if you encounter this hanging problem as well. So far, I've observed that if it doesn't work with one applet, it won't work with any.
Everything works just fine in 1.3.x version.

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