java.lang.AssertionError: matchOffset=46241 > docViewEndOffset=46175
   at org.netbeans.modules.editor.lib2.view.ViewBuilder.<init>(ViewBuilder.java:267)
   at org.netbeans.modules.editor.lib2.view.ViewUpdates.buildViews(ViewUpdates.java:175)
   at org.netbeans.modules.editor.lib2.view.ViewUpdates.insertUpdate(ViewUpdates.java:370)
Caused: java.lang.reflect.InvocationTargetException
   at sun.reflect.GeneratedMethodAccessor213.invoke(GeneratedMethodAccessor213.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:459)
Caused: java.lang.reflect.UndeclaredThrowableException
   at $Proxy20.insertUpdate(.java:0)
   at org.netbeans.lib.editor.util.swing.PriorityDocumentListenerList.insertUpdate(PriorityDocumentListenerList.java:85)
   at javax.swing.text.AbstractDocument.fireInsertUpdate(AbstractDocument.java:185)
   at org.netbeans.editor.BaseDocument.fireInsertUpdate(BaseDocument.java:1670)
   at org.netbeans.editor.BaseDocumentEvent.undo(BaseDocumentEvent.java:293)
   at org.netbeans.editor.GuardedDocumentEvent.undo(GuardedDocumentEvent.java:72)
   at javax.swing.undo.CompoundEdit.undo(CompoundEdit.java:46)
   at org.netbeans.editor.BaseDocument$AtomicCompoundEdit.undo(BaseDocument.java:2223)
   at org.netbeans.editor.BaseDocument.breakAtomicLock(BaseDocument.java:1874)
   at org.netbeans.editor.GuardedDocument.runAtomic(GuardedDocument.java:320)
   at org.openide.text.NbDocument.runAtomic(NbDocument.java:422)
   at org.netbeans.modules.editor.guards.PositionBounds.setText(PositionBounds.java:248)
   at org.netbeans.modules.editor.guards.GuardedSectionImpl.setText(GuardedSectionImpl.java:181)
   at org.netbeans.modules.editor.guards.SimpleSectionImpl.setText(SimpleSectionImpl.java:76)
   at org.netbeans.api.editor.guards.SimpleSection.setText(SimpleSection.java:69)
   at org.netbeans.modules.form.JavaCodeGenerator.regenerateInitComponents(JavaCodeGenerator.java:1136)
   at org.netbeans.modules.form.JavaCodeGenerator.regenerateCode(JavaCodeGenerator.java:3499)
   at org.netbeans.modules.form.JavaCodeGenerator$FormListener.formChanged(JavaCodeGenerator.java:3979)
   at org.netbeans.modules.form.FormModel.fireEvents(FormModel.java:1296)
   at org.netbeans.modules.form.FormModel.fireEventBatch(FormModel.java:1269)
   at org.netbeans.modules.form.FormModel.firePendingEvents(FormModel.java:1232)
   at org.netbeans.modules.form.FormModel.sendEventImmediately(FormModel.java:1224)
   at org.netbeans.modules.form.FormModel.fireFormToBeSaved(FormModel.java:810)
   at org.netbeans.modules.form.FormEditor.saveFormData(FormEditor.java:404)
   at org.netbeans.modules.form.FormEditorSupport.saveDocument(FormEditorSupport.java:371)
   at org.netbeans.modules.form.FormEditorSupport$9.doSave(FormEditorSupport.java:1477)
   at org.netbeans.modules.form.FormEditorSupport$9.save(FormEditorSupport.java:1457)
   at org.openide.actions.SaveAction.performAction(SaveAction.java:130)
   at org.openide.actions.SaveAction.performAction(SaveAction.java:100)
   at org.openide.actions.SaveAction$Delegate.actionPerformed(SaveAction.java:247)
   at org.openide.awt.ContextAction$Performer.actionPerformed(ContextAction.java:231)
   at org.openide.awt.ContextManager.actionPerformed(ContextManager.java:240)
   at org.openide.awt.ContextAction.actionPerformed(ContextAction.java:109)
   at org.openide.util.actions.ActionInvoker$1.run(ActionInvoker.java:93)
   at org.openide.util.actions.ActionInvoker.doPerformAction(ActionInvoker.java:116)
   at org.openide.util.actions.ActionInvoker.invokeAction(ActionInvoker.java:99)
   at org.openide.awt.GeneralAction$DelegateAction.actionPerformed(GeneralAction.java:219)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
   at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:273)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
   at java.awt.Component.processMouseEvent(Component.java:6289)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
   at java.awt.Component.processEvent(Component.java:6054)
   at java.awt.Container.processEvent(Container.java:2041)
   at java.awt.Component.dispatchEventImpl(Component.java:4652)
   at java.awt.Container.dispatchEventImpl(Container.java:2099)
   at java.awt.Component.dispatchEvent(Component.java:4482)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4577)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4238)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4168)
   at java.awt.Container.dispatchEventImpl(Container.java:2085)
   at java.awt.Window.dispatchEventImpl(Window.java:2478)
   at java.awt.Component.dispatchEvent(Component.java:4482)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:644)
   at java.awt.EventQueue.access$000(EventQueue.java:85)
   at java.awt.EventQueue$1.run(EventQueue.java:603)
   at java.awt.EventQueue$1.run(EventQueue.java:601)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
   at java.awt.EventQueue$2.run(EventQueue.java:617)
   at java.awt.EventQueue$2.run(EventQueue.java:615)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:614)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)