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Help with JVM Diagonastic

 
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Hi everyone,

I apologize if I didn't post the proper forums. I wanted to obtain a thread dump using jvisualvm.exe to diagonse a production window based pc running our java software that is unresponsive. I notice jvisualvm.exe started and I can see it listed in task manager's application tab. However, when I maximize jvisualvm.exe, I see the window border expand to the edges of monitor but the monitor was still displaying the desktop background. Basically the screen was not refreshing itself at all only if I press alt+ctrl+del and the Windows logout dialog appear. I try again to access task manager and try to max jvisualvm.exe, see the same border expansion again but monitor fail to refresh.

Should I use jstack.exe instead when it happens? but if the monitor won't refresh, will a command line window open at all?

Thanks for your input.
 
Don't get me started about those stupid light bulbs.
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