java.lang.OutOfMemoryError: Java heap space
   at java.util.Arrays.copyOf(Arrays.java:2245)
   at java.util.Arrays.copyOf(Arrays.java:2219)
   at java.util.ArrayList.grow(ArrayList.java:242)
   at java.util.ArrayList.ensureExplicitCapacity(ArrayList.java:216)
   at java.util.ArrayList.ensureCapacityInternal(ArrayList.java:208)
   at java.util.ArrayList.add(ArrayList.java:440)
   at org.antlr.runtime.tree.BaseTree.addChild(BaseTree.java:124)
   at org.netbeans.modules.css.lib.NbParseTreeBuilder.consumeToken(NbParseTreeBuilder.java:231)
   at org.antlr.runtime.debug.DebugTokenStream.consume(DebugTokenStream.java:62)
   at org.netbeans.modules.css.lib.Css3Parser.ws(Css3Parser.java:13533)
   at org.netbeans.modules.css.lib.Css3Parser.declarations(Css3Parser.java:8209)
   at org.netbeans.modules.css.lib.Css3Parser.rule(Css3Parser.java:8031)
   at org.netbeans.modules.css.lib.Css3Parser.bodyItem(Css3Parser.java:4410)
   at org.netbeans.modules.css.lib.Css3Parser.body(Css3Parser.java:4133)
   at org.netbeans.modules.css.lib.Css3Parser.styleSheet(Css3Parser.java:691)
   at org.netbeans.modules.css.lib.nbparser.CssParser.parse(CssParser.java:127)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParse(TaskProcessor.java:610)
   at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:245)
   at org.netbeans.modules.parsing.api.ResultIterator.getParserResult(ResultIterator.java:138)
   at org.netbeans.modules.css.indexing.CssFileModel$1.run(CssFileModel.java:97)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:598)
   at org.netbeans.modules.parsing.api.ParserManager$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.css.indexing.CssFileModel.create(CssFileModel.java:91)
   at org.netbeans.modules.css.refactoring.api.CssRefactoring.findAllOccurances(CssRefactoring.java:110)