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Created attachment 149026 [details] Threaddump Product Version: NetBeans IDE 8.0.1 (Build 201408142300) Java: 1.8.0_11; Java HotSpot(TM) 64-Bit Server VM 25.11-b03 Runtime: Java(TM) SE Runtime Environment 1.8.0_11-b12 System: Windows 8 version 6.2 running on amd64; Cp1252; en_GB (nb) Deadlock occurred shortly after switching project JDK from 7 -> 8 Threaddump attched.
I retraced my steps on this and realized that the problem was associated with following an editor hint to add an "@param parent tag" to the JDialog form open in the editor. Looking at the threaddump, it looks like jIndent is the culprit here - so I disabled the plugin and repeated the steps causing the deadlock. The the jIndent plugin disabled, the add @param parent tag hint completed without error. I'll report the error to the jIndent team. David
jindent.plugin.output.dialog.ThreadOutputDialog should not access AWT components outside of EDT