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Product Version = NetBeans IDE Dev (Build 070725) Operating System = Linux version 2.6.16-1.2122_FC5 running on i386 Java; VM; Vendor = 1.6.0_02; Java HotSpot(TM) Client VM 1.6.0_02-b05; Sun Microsystems Inc. After I had left IDE for about 5 minutes 'alone' IDE started to consume 100% of CPU with blocked ui. I had edited a java source before - it was opened in editor.
Created attachment 45704 [details] threaddump
awt thread runs in org.netbeans.modules.languages.features.SemanticHighlightsLayer$Highlights.moveNext(SemanticHighlightsLayer.java:88)
*** This issue has been marked as a duplicate of 111041 ***
verified duplicate