java.util.ConcurrentModificationException
        at java.util.Hashtable$Enumerator.next(Hashtable.java:1031)
        at com.sun.java.swing.plaf.nimbus.NimbusStyle.compileDefaults(NimbusStyle.java:378)
        at com.sun.java.swing.plaf.nimbus.NimbusStyle.validate(NimbusStyle.java:297)
        at com.sun.java.swing.plaf.nimbus.NimbusStyle.getValues(NimbusStyle.java:927)
        at com.sun.java.swing.plaf.nimbus.NimbusStyle.getInsets(NimbusStyle.java:605)
        at javax.swing.plaf.synth.SynthStyle.installDefaults(SynthStyle.java:896)
        at javax.swing.plaf.synth.SynthLookAndFeel.updateStyle(SynthLookAndFeel.java:276)
        at javax.swing.plaf.synth.SynthLabelUI.updateStyle(SynthLabelUI.java:53)
        at javax.swing.plaf.synth.SynthLabelUI.installDefaults(SynthLabelUI.java:48)
        at javax.swing.plaf.basic.BasicLabelUI.installUI(BasicLabelUI.java:321)
        at javax.swing.JComponent.setUI(JComponent.java:673)
        at javax.swing.JLabel.setUI(JLabel.java:242)
        at javax.swing.JLabel.updateUI(JLabel.java:256)
        at javax.swing.JLabel.<init>(JLabel.java:145)
        at javax.swing.JLabel.<init>(JLabel.java:164)
        at org.netbeans.lib.profiler.ui.components.table.LabelTableCellRenderer.<init>(LabelTableCellRenderer.java:66)
        at org.netbeans.modules.profiler.ppoints.Utils$ProjectPresenterRenderer.<init>(Utils.java:286)
        at org.netbeans.modules.profiler.ppoints.Utils.<clinit>(Utils.java:340)
Caused: java.lang.ExceptionInInitializerError
        at org.netbeans.modules.profiler.ppoints.CodeProfilingPoint$Location.load(CodeProfilingPoint.java:339)
        at org.netbeans.modules.profiler.ppoints.CodeProfilingPoint$Location.load(CodeProfilingPoint.java:325)
        at org.netbeans.modules.profiler.ppoints.TakeSnapshotProfilingPointFactory.loadProfilingPoint(TakeSnapshotProfilingPointFactory.java:144)
        at org.netbeans.modules.profiler.ppoints.ProfilingPointFactory.loadProfilingPoints(ProfilingPointFactory.java:177)
        at org.netbeans.modules.profiler.ppoints.ProfilingPointsManager.loadProfilingPoints(ProfilingPointsManager.java:986)
        at org.netbeans.modules.profiler.ppoints.ProfilingPointsManager.projectOpened(ProfilingPointsManager.java:1017)
        at org.netbeans.modules.profiler.ppoints.ProfilingPointsManager.processOpenedProjectsChanged(ProfilingPointsManager.java:1005)
        at org.netbeans.modules.profiler.ppoints.ProfilingPointsManager.access$600(ProfilingPointsManager.java:110)
        at org.netbeans.modules.profiler.ppoints.ProfilingPointsManager$2.run(ProfilingPointsManager.java:337)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:602)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1084)
Caused: org.openide.util.RequestProcessor$FastItem: task failed due to: java.lang.ExceptionInInitializerError