java.lang.StringIndexOutOfBoundsException: String index out of range: 7
   at java.lang.String.charAt(String.java:646)
   at org.netbeans.modules.html.editor.completion.HtmlCompletionQuery.queryHtmlEndTagInEmbeddedCode(HtmlCompletionQuery.java:190)
   at org.netbeans.modules.html.editor.completion.HtmlCompletionQuery.access$100(HtmlCompletionQuery.java:91)
   at org.netbeans.modules.html.editor.completion.HtmlCompletionQuery$1.run(HtmlCompletionQuery.java:142)
   at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1391)
   at org.netbeans.modules.html.editor.completion.HtmlCompletionQuery.run(HtmlCompletionQuery.java:127)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:598)
   at org.netbeans.modules.parsing.api.ParserManager$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$2.call(TaskProcessor.java:203)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74)
Caused: org.netbeans.modules.parsing.spi.ParseException
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:211)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.modules.html.editor.completion.HtmlCompletionQuery.query(HtmlCompletionQuery.java:110)
   at org.netbeans.modules.html.editor.completion.HtmlCompletionProvider$Query.doQuery(HtmlCompletionProvider.java:134)
   at org.netbeans.modules.html.editor.completion.HtmlCompletionProvider$AbstractQuery.query(HtmlCompletionProvider.java:292)
   at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:223)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)