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Editorial Team
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Asked: 2026-05-19T07:00:57+00:00

I’m writing a Java desktop application, running Ubuntu 10.10. Everything works fine except that

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I’m writing a Java desktop application, running Ubuntu 10.10. Everything works fine except that about 1 in 10 times, when I call JOptionPane.showMessageDialog(null, message), the dialog window appears but it is empty — just the standard gray background. Strangely, a few times when this has happened I have been able to click where the OK button should have been and it registered the click fine. Does anyone know what could cause this?

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  1. Editorial Team

    Which JVM are you using? Make sure it’s not GCJ (as it often is by default Ubuntu/Debian). It’s swing implementation is a little odd and will often elicit strange behavior like that.

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