JFrames and JDialogs sometimes open up behind their parent windows but have focus

Question

We are developing a rather big Java enterprise application with a traditional Swing client.

Every now and then, we facing the problem that random JDialogs and JFra

Answer 1

I once had the same problem: The error was that the JDialog's/JFrame's parent was in fact not set properly. I set it to the parent of the parent, which caused the issue.