java.lang.OutOfMemoryError: Java heap space
   at org.antlr.runtime.BitSet.<init>(BitSet.java:73)
   at org.antlr.runtime.BitSet.of(BitSet.java:83)
   at org.netbeans.modules.css.lib.Css3Parser.syncTo_IDENT_RBRACE(Css3Parser.java:6884)
   at org.netbeans.modules.css.lib.Css3Parser.ruleSet(Css3Parser.java:4637)
   at org.netbeans.modules.css.lib.Css3Parser.bodyset(Css3Parser.java:2433)
   at org.netbeans.modules.css.lib.Css3Parser.bodylist(Css3Parser.java:2316)
   at org.netbeans.modules.css.lib.Css3Parser.styleSheet(Css3Parser.java:524)
   at org.netbeans.modules.css.lib.nbparser.CssParser.parse(CssParser.java:81)
   at org.netbeans.modules.css.lib.nbparser.CssParser.parse(CssParser.java:98)
   at org.netbeans.modules.css.editor.csl.CssCslParser.parse(CssCslParser.java:65)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParse(TaskProcessor.java:655)
   at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:213)
   at org.netbeans.modules.parsing.api.ResultIterator.getParserResult(ResultIterator.java:138)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$3.run(RepositoryUpdater.java:2369)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$3.run(RepositoryUpdater.java:2402)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:643)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:154)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:138)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:211)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:208)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:168)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:356)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:71)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:208)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.indexEmbedding(RepositoryUpdater.java:2352)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doIndex(RepositoryUpdater.java:2201)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.access$1500(RepositoryUpdater.java:1827)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$2.run(RepositoryUpdater.java:2028)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$2.run(RepositoryUpdater.java:2026)
   at org.netbeans.modules.parsing.impl.indexing.errors.TaskCache.refreshTransaction(TaskCache.java:460)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.index(RepositoryUpdater.java:2026)