java.lang.NullPointerException
   at org.jrubyparser.parser.ParserSupport.getMatchNode(ParserSupport.java:390)
   at org.jrubyparser.parser.Ruby19Parser.case218_line866(Ruby19Parser.java:3307)
   at org.jrubyparser.parser.Ruby19Parser.yyparse(Ruby19Parser.java:1794)
   at org.jrubyparser.parser.Ruby19Parser.yyparse(Ruby19Parser.java:1421)
   at org.jrubyparser.parser.Ruby19Parser.parse(Ruby19Parser.java:4303)
   at org.netbeans.modules.ruby.RubyParser.parseBuffer(RubyParser.java:558)
   at org.netbeans.modules.ruby.RubyParser.parse(RubyParser.java:129)
   at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:202)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:662)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
   at java.util.concurrent.FutureTask.run(FutureTask.java:138)
   at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
   at java.lang.Thread.run(Thread.java:619)