org.netbeans.editor.GuardedException: Attempt to remove from guarded block at position 8,419.
   at org.netbeans.editor.GuardedDocument.preRemoveCheck(GuardedDocument.java:295)
   at org.netbeans.editor.BaseDocument.handleRemove(BaseDocument.java:973)
   at org.netbeans.editor.BaseDocument$FilterBypassImpl.remove(BaseDocument.java:2493)
   at javax.swing.text.DocumentFilter.remove(DocumentFilter.java:79)
   at org.openide.text.CloneableEditorSupport$DocFilter.remove(CloneableEditorSupport.java:2341)
   at org.netbeans.editor.BaseDocument.remove(BaseDocument.java:937)
   at org.netbeans.modules.java.source.save.Reformatter.reformatImpl(Reformatter.java:357)
   at org.netbeans.modules.java.source.save.Reformatter.reformat(Reformatter.java:110)
   at org.netbeans.modules.editor.indent.TaskHandler$MimeItem.runTask(TaskHandler.java:548)
   at org.netbeans.modules.editor.indent.TaskHandler.runTasks(TaskHandler.java:316)
   at org.netbeans.modules.editor.indent.IndentImpl.reformat(IndentImpl.java:357)
   at org.netbeans.modules.editor.indent.api.Reformat.reformat(Reformat.java:154)
   at org.netbeans.modules.editor.impl.ReformatBeforeSaveTask.reformat(ReformatBeforeSaveTask.java:268)
   at org.netbeans.modules.editor.impl.ReformatBeforeSaveTask.performTask(ReformatBeforeSaveTask.java:103)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable$1.run(BeforeSaveTasks.java:173)
   at org.netbeans.editor.GuardedDocument.runAtomicAsUser(GuardedDocument.java:351)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable.run(BeforeSaveTasks.java:156)
   at org.netbeans.modules.editor.lib.TrailingWhitespaceRemove.runLocked(TrailingWhitespaceRemove.java:102)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable.run(BeforeSaveTasks.java:153)
   at org.netbeans.modules.editor.impl.ReformatBeforeSaveTask.runLocked(ReformatBeforeSaveTask.java:119)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable.run(BeforeSaveTasks.java:153)
   at org.netbeans.modules.java.hints.onsave.RemoveUnusedAfterSave$1.run(RemoveUnusedAfterSave.java:121)
   at org.netbeans.modules.java.hints.onsave.RemoveUnusedAfterSave$1.run(RemoveUnusedAfterSave.java:119)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:493)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:593)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:155)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:139)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:206)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:203)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:203)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:443)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:414)
   at org.netbeans.modules.java.hints.onsave.RemoveUnusedAfterSave.runLocked(RemoveUnusedAfterSave.java:119)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable.run(BeforeSaveTasks.java:153)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks.runTasks(BeforeSaveTasks.java:130)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$2.run(BeforeSaveTasks.java:111)
   at org.openide.text.CloneableEditorSupport.saveDocument(CloneableEditorSupport.java:732)
   at org.openide.text.DataEditorSupport.superSaveDoc(DataEditorSupport.java:605)
   at org.openide.text.DataEditorSupport$SaveImpl.run(DataEditorSupport.java:1360)
   at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:127)
   at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:609)
   at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:419)
   at org.openide.text.DataEditorSupport.saveDocument(DataEditorSupport.java:601)
   at org.netbeans.modules.nbform.FormEditorSupport.saveDocument(FormEditorSupport.java:510)
   at org.netbeans.modules.nbform.FormEditorSupport$16.doSave(FormEditorSupport.java:1762)
   at org.netbeans.modules.nbform.FormEditorSupport$16.access$1400(FormEditorSupport.java:1733)
   at org.netbeans.modules.nbform.FormEditorSupport$16$1.run(FormEditorSupport.java:1745)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:241)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
   at java.awt.EventQueue.access$200(EventQueue.java:103)
   at java.awt.EventQueue$3.run(EventQueue.java:694)
   at java.awt.EventQueue$3.run(EventQueue.java:692)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
   at org.casaburo.utils.textPopupMenu.PopupMenuEventQueue.dispatchEvent(PopupMenuEventQueue.java:114)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)