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While using the GTKLookAndFeel a java.lang.ArrayIndexOutOfBoundsException pops up and an information window telling "Negative value not allowed", when I try to open the "Tools" / "Options" dialog. Netbeans hangs and must be killed.
Created attachment 25917 [details] messages.log
Known issue, should be already fixed in trunk. *** This issue has been marked as a duplicate of 64597 ***