java.lang.OutOfMemoryError: PermGen space
   at sun.misc.Unsafe.defineClass(Unsafe.java:0)
   at sun.reflect.ClassDefiner.defineClass(ClassDefiner.java:0)
   at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:0)
   at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:0)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at sun.reflect.MethodAccessorGenerator.generate(MethodAccessorGenerator.java:0)
   at sun.reflect.MethodAccessorGenerator.generateMethod(MethodAccessorGenerator.java:0)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:0)
   at java.lang.reflect.Method.invoke(Method.java:0)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:487)
   at com.sun.proxy.$Proxy25.changedAll(.java:0)
   at org.netbeans.editor.Annotations.fireChangedAll(Annotations.java:686)
   at org.netbeans.editor.Annotations.removeUpdate(Annotations.java:599)
   at org.netbeans.lib.editor.util.swing.PriorityDocumentListenerList.removeUpdate(PriorityDocumentListenerList.java:116)
   at javax.swing.text.AbstractDocument.fireRemoveUpdate(AbstractDocument.java:0)
   at org.netbeans.editor.BaseDocument.fireRemoveUpdate(BaseDocument.java:1627)
   at org.netbeans.editor.BaseDocument.handleRemove(BaseDocument.java:1015)
   at org.netbeans.editor.BaseDocument$FilterBypassImpl.remove(BaseDocument.java:2583)
   at javax.swing.text.DocumentFilter.remove(DocumentFilter.java:0)
   at org.openide.text.CloneableEditorSupport$DocFilter.remove(CloneableEditorSupport.java:2389)
   at org.netbeans.editor.BaseDocument.remove(BaseDocument.java:931)
   at org.netbeans.editor.BaseKit$DeleteCharAction$1.run(BaseKit.java:1822)
   at org.netbeans.editor.GuardedDocument.runAtomicAsUser(GuardedDocument.java:356)
   at org.netbeans.editor.BaseKit$DeleteCharAction.actionPerformed(BaseKit.java:1810)
   at org.netbeans.modules.csl.core.CslEditorKit$GsfDeleteCharAction.actionPerformed(CslEditorKit.java:395)
   at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:339)
   at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:0)
   at javax.swing.JComponent.processKeyBinding(JComponent.java:0)
   at javax.swing.JComponent.processKeyBindings(JComponent.java:0)
   at javax.swing.JComponent.processKeyEvent(JComponent.java:0)
   at java.awt.Component.processEvent(Component.java:0)