java.lang.StringIndexOutOfBoundsException: String index out of range: -1
   at java.lang.String.charAt(String.java:651)
   at com.sun.tools.javac.api.JavacTaskImpl.doParse(JavacTaskImpl.java:691)
   at com.sun.tools.javac.api.JavacTaskImpl.parseExpression(JavacTaskImpl.java:715)
   at com.sun.tools.javac.api.JavacTaskImpl.parseExpression(JavacTaskImpl.java:735)
   at org.netbeans.api.java.source.TreeUtilities.parseExpression(TreeUtilities.java:542)
   at org.netbeans.modules.editor.java.JavaCodeTemplateFilter$1$1.run(JavaCodeTemplateFilter.java:119)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:593)
   at org.netbeans.modules.parsing.api.ParserManager$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)
Caused: org.netbeans.modules.parsing.spi.ParseException
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:211)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.modules.editor.java.JavaCodeTemplateFilter$1.run(JavaCodeTemplateFilter.java:101)
   at org.netbeans.modules.progress.ui.RunOffEDTImpl.runOffEventDispatchThread(RunOffEDTImpl.java:101)
   at org.netbeans.api.progress.ProgressUtils.runOffEventDispatchThread(ProgressUtils.java:91)
   at org.netbeans.modules.editor.java.JavaCodeTemplateFilter.<init>(JavaCodeTemplateFilter.java:97)
   at org.netbeans.modules.editor.java.JavaCodeTemplateFilter.<init>(JavaCodeTemplateFilter.java:82)
   at org.netbeans.modules.editor.java.JavaCodeTemplateFilter$Factory.createFilter(JavaCodeTemplateFilter.java:173)
   at org.netbeans.lib.editor.codetemplates.CodeTemplateManagerOperation.getTemplateFilters(CodeTemplateManagerOperation.java:286)
   at org.netbeans.lib.editor.codetemplates.CodeTemplateCompletionProvider$Query.query(CodeTemplateCompletionProvider.java:206)
   at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:223)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2042)