java.lang.OutOfMemoryError: Java heap space
   at java.util.Arrays.copyOf(Arrays.java:3181)
   at java.util.ArrayList.grow(ArrayList.java:261)
   at java.util.ArrayList.ensureExplicitCapacity(ArrayList.java:235)
   at java.util.ArrayList.ensureCapacityInternal(ArrayList.java:227)
   at java.util.ArrayList.add(ArrayList.java:458)
   at org.antlr.runtime.BufferedTokenStream.fetch(BufferedTokenStream.java:136)
   at org.antlr.runtime.BufferedTokenStream.sync(BufferedTokenStream.java:127)
   at org.antlr.runtime.CommonTokenStream.consume(CommonTokenStream.java:67)
   at org.antlr.runtime.debug.DebugTokenStream.consume(DebugTokenStream.java:60)
   at org.netbeans.modules.css.lib.Css3Parser.synpred29_Css3_fragment(Css3Parser.java:22519)
   at org.netbeans.modules.css.lib.Css3Parser.synpred29_Css3(Css3Parser.java:23985)
   at org.netbeans.modules.css.lib.Css3Parser$DFA152.specialStateTransition(Css3Parser.java:30438)
   at org.antlr.runtime.DFA.predict(DFA.java:80)
   at org.netbeans.modules.css.lib.Css3Parser.selectorsGroup(Css3Parser.java:8784)
   at org.netbeans.modules.css.lib.Css3Parser.rule(Css3Parser.java:7927)
   at org.netbeans.modules.css.lib.Css3Parser.bodyItem(Css3Parser.java:4410)
   at org.netbeans.modules.css.lib.Css3Parser.body(Css3Parser.java:4133)
   at org.netbeans.modules.css.lib.Css3Parser.styleSheet(Css3Parser.java:691)
   at org.netbeans.modules.css.lib.nbparser.CssParser.parse(CssParser.java:127)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParse(TaskProcessor.java:610)
   at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:245)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:733)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)