java.lang.NullPointerException
   at org.netbeans.modules.java.hints.jackpot.impl.Utilities.constructScope(Utilities.java:559)
   at org.netbeans.modules.java.hints.jackpot.impl.pm.Pattern.parseAndAttribute(Pattern.java:167)
   at org.netbeans.modules.java.hints.jackpot.impl.pm.Pattern.compile(Pattern.java:97)
   at org.netbeans.modules.java.hints.jackpot.impl.pm.Pattern.compile(Pattern.java:92)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker.doComputeHints(HintsInvoker.java:437)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker.computeSuggestions(HintsInvoker.java:399)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker.compute(HintsInvoker.java:204)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker.computeHints(HintsInvoker.java:177)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker.computeHints(HintsInvoker.java:133)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsTask.run(HintsTask.java:102)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsTask.run(HintsTask.java:76)
   at org.netbeans.modules.java.source.JavaSourceAccessor$CancelableTaskWrapper.run(JavaSourceAccessor.java:316)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:667)
   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:637)