java.lang.OutOfMemoryError: GC overhead limit exceeded
   at org.netbeans.modules.css.lib.CommonTokenUtil.getCommonTokenOffsetRange(CommonTokenUtil.java:68)
   at org.netbeans.modules.css.lib.RuleNode.setFirstToken(RuleNode.java:64)
   at org.netbeans.modules.css.lib.NbParseTreeBuilder.updateFirstTokens(NbParseTreeBuilder.java:243)
   at org.netbeans.modules.css.lib.NbParseTreeBuilder.consumeToken(NbParseTreeBuilder.java:233)
   at org.antlr.runtime.debug.DebugTokenStream.consume(DebugTokenStream.java:62)
   at org.antlr.runtime.BaseRecognizer.match(BaseRecognizer.java:106)
   at org.netbeans.modules.css.lib.Css3Parser.property(Css3Parser.java:8982)
   at org.netbeans.modules.css.lib.Css3Parser.propertyDeclaration(Css3Parser.java:15264)
   at org.netbeans.modules.css.lib.Css3Parser.declaration(Css3Parser.java:11727)
   at org.netbeans.modules.css.lib.Css3Parser.declarations(Css3Parser.java:10384)
   at org.netbeans.modules.css.lib.Css3Parser.rule(Css3Parser.java:10083)
   at org.netbeans.modules.css.lib.Css3Parser.bodyItem(Css3Parser.java:6098)
   at org.netbeans.modules.css.lib.Css3Parser.body(Css3Parser.java:5299)
   at org.netbeans.modules.css.lib.Css3Parser.styleSheet(Css3Parser.java:708)
   at org.netbeans.modules.css.lib.nbparser.CssParser.parse(CssParser.java:127)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParse(TaskProcessor.java:621)
   at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:251)
   at org.netbeans.modules.parsing.api.ResultIterator.getParserResult(ResultIterator.java:138)
   at org.netbeans.modules.css.indexing.CssFileModel$1.run(CssFileModel.java:96)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:609)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:153)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:137)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:204)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201)
   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.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:88)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:201)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:104)
   at org.netbeans.modules.css.indexing.CssFileModel.create(CssFileModel.java:90)
   at org.netbeans.modules.css.refactoring.api.CssRefactoring.findAllOccurances(CssRefactoring.java:110)