javax.swing.text.BadLocationException: Invalid offset=-1 < 0; docLen=2166
   at org.netbeans.modules.editor.lib2.document.EditorDocumentContent.checkOffsetNonNegative(EditorDocumentContent.java:270)
   at org.netbeans.modules.editor.lib2.document.EditorDocumentContent.checkOffsetInContent(EditorDocumentContent.java:284)
   at org.netbeans.modules.editor.lib2.document.EditorDocumentContent.createPosition(EditorDocumentContent.java:198)
   at javax.swing.text.AbstractDocument.createPosition(AbstractDocument.java:829)
   at org.netbeans.modules.editor.java.JavaBracesMatcher$1.run(JavaBracesMatcher.java:330)
   at org.netbeans.modules.editor.java.JavaBracesMatcher$1.run(JavaBracesMatcher.java:268)
   at org.netbeans.api.java.source.JavaSource$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)
Caused: java.io.IOException
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:455)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:414)
   at org.netbeans.modules.editor.java.JavaBracesMatcher.findContextBackwards(JavaBracesMatcher.java:268)
   at org.netbeans.modules.editor.java.JavaBracesMatcher.findContext(JavaBracesMatcher.java:248)
   at org.netbeans.modules.editor.bracesmatching.BraceMatchingSidebarComponent.matchHighlighted(BraceMatchingSidebarComponent.java:418)
   at org.netbeans.modules.editor.bracesmatching.MasterMatcher.fireMatchesHighlighted(MasterMatcher.java:339)
   at org.netbeans.modules.editor.bracesmatching.MasterMatcher.access$100(MasterMatcher.java:70)
   at org.netbeans.modules.editor.bracesmatching.MasterMatcher$Firer.run(MasterMatcher.java:545)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)