java.lang.NullPointerException
   at org.netbeans.lib.profiler.results.cpu.CPUCallGraphBuilder.plainMethodEntry(CPUCallGraphBuilder.java:1104)
   at org.netbeans.lib.profiler.results.cpu.CPUCallGraphBuilder.plainMethodEntry(CPUCallGraphBuilder.java:1147)
   at org.netbeans.lib.profiler.results.cpu.CPUCallGraphBuilder.methodEntryUnstamped(CPUCallGraphBuilder.java:244)
   at org.netbeans.lib.profiler.results.cpu.CPUDataFrameProcessor$3.execute(CPUDataFrameProcessor.java:420)
   at org.netbeans.lib.profiler.results.AbstractDataFrameProcessor.foreachListener(AbstractDataFrameProcessor.java:157)
   at org.netbeans.lib.profiler.results.cpu.CPUDataFrameProcessor.fireMethodEntryUnstamped(CPUDataFrameProcessor.java:418)
   at org.netbeans.lib.profiler.results.cpu.CPUDataFrameProcessor.doProcessDataFrame(CPUDataFrameProcessor.java:79)
   at org.netbeans.lib.profiler.results.AbstractDataFrameProcessor.processDataFrame(AbstractDataFrameProcessor.java:94)
   at org.netbeans.lib.profiler.results.ProfilingResultsDispatcher$1.run(ProfilingResultsDispatcher.java:132)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
   at java.util.concurrent.FutureTask.run(FutureTask.java:166)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
   at java.lang.Thread.run(Thread.java:722)