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Build 200307230100, JDK1.4.2, MDI. During debugging, the attached deadlock occured. The only (and I would guess unrelated) uncommon thing I did was that I mounted java sources and made them not Hidden during the debugging.
Created attachment 11076 [details] Two full thread dumps
I relaxed the synchronization policy on AWT, it should help.
You must set the Target Milestone when fixing bugs.
I have not seen this bug for a long time, marking as verified in 200402241900.