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This bug was originally marked as duplicate of bug 174500, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 7.2 (Build 201207171143) VM: Java HotSpot(TM) 64-Bit Server VM, 20.7-b02, Java(TM) SE Runtime Environment, 1.6.0_32-b05 OS: Linux User Comments: GUEST: Starting the IDE. Previous work fine. I don't see program icon. I try reset window but without success. Stacktrace: java.util.ConcurrentModificationException at java.util.Hashtable$Enumerator.next(Hashtable.java:1031) at com.sun.java.swing.plaf.nimbus.NimbusStyle.compileDefaults(NimbusStyle.java:378) at com.sun.java.swing.plaf.nimbus.NimbusStyle.validate(NimbusStyle.java:297) at com.sun.java.swing.plaf.nimbus.NimbusStyle.getValues(NimbusStyle.java:927) at com.sun.java.swing.plaf.nimbus.NimbusStyle.getInsets(NimbusStyle.java:605) at javax.swing.plaf.synth.SynthStyle.installDefaults(SynthStyle.java:896)
Created attachment 127878 [details] stacktrace
*** This bug has been marked as a duplicate of bug 174500 ***