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Created attachment 100928 [details] The thread dump Sometime when I try to open a swing form netbeans freeze. The thread dump show a deadlock between the "gui builder" thread and the "AWT-EventQueue-1" thread. I'm using "NetBeans IDE 6.9 (Build 201006101454) (#cb6bcdf0c6ce)".
*** This bug has been marked as a duplicate of bug 187697 ***