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NetBeans IDE Dev (Build 20090114164425) Java: 1.6.0_10-rc; Java HotSpot(TM) Server VM 11.0-b13 System: Windows XP version 5.1 running on x86 Hang opening a Visual web page in editor, after changing server project property. Attaching full thread dump.
Created attachment 75845 [details] full thread dump
Someone somewhere grabs documents writeLock and does not release it or when holding the writeLock runs UserTask (UserActionTask). I'm not sure who and where...
I'm sorry, but we can't do much without further information or steps how to reproduce this.