java.lang.OutOfMemoryError: GC overhead limit exceeded
   at java.lang.AbstractStringBuilder.substring(AbstractStringBuilder.java:909)
   at java.lang.StringBuilder.substring(StringBuilder.java:76)
   at java.lang.AbstractStringBuilder.subSequence(AbstractStringBuilder.java:885)
   at java.lang.StringBuilder.subSequence(StringBuilder.java:76)
   at org.netbeans.modules.html.parser.ElementsFactory$TagElement.name(ElementsFactory.java:265)
   at org.netbeans.modules.html.parser.ElementsFactory$TagElement.id(ElementsFactory.java:297)
   at org.netbeans.modules.html.editor.lib.api.elements.ElementUtils.getIndexInSimilarNodes(ElementUtils.java:385)
   at org.netbeans.modules.html.editor.lib.api.elements.ElementUtils.encodeToString(ElementUtils.java:368)
   at org.netbeans.modules.html.editor.gsf.HtmlElementHandle.<init>(HtmlElementHandle.java:80)
   at org.netbeans.modules.html.editor.gsf.HtmlStructureItem$2.run(HtmlStructureItem.java:205)
   at org.netbeans.modules.html.editor.gsf.HtmlStructureItem$1.run(HtmlStructureItem.java:184)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:598)
   at org.netbeans.modules.parsing.api.ParserManager$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)
   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.modules.html.editor.gsf.HtmlStructureItem.runTask(HtmlStructureItem.java:164)
   at org.netbeans.modules.html.editor.gsf.HtmlStructureItem.getNestedItems(HtmlStructureItem.java:196)
   at org.netbeans.modules.csl.navigation.ElementNode.updateRecursively(ElementNode.java:315)
   at org.netbeans.modules.csl.navigation.ElementNode.updateRecursively(ElementNode.java:329)
   at org.netbeans.modules.csl.navigation.ElementNode.updateRecursively(ElementNode.java:329)
   at org.netbeans.modules.csl.navigation.ElementNode.updateRecursively(ElementNode.java:329)
   at org.netbeans.modules.csl.navigation.ElementNode.updateRecursively(ElementNode.java:329)
   at org.netbeans.modules.csl.navigation.ElementNode.updateRecursively(ElementNode.java:329)
   at org.netbeans.modules.csl.navigation.ElementNode.updateRecursively(ElementNode.java:329)
   at org.netbeans.modules.csl.navigation.ElementNode.updateRecursively(ElementNode.java:329)
   at org.netbeans.modules.csl.navigation.ElementNode.updateRecursively(ElementNode.java:329)