java.lang.NullPointerException
   at org.netbeans.lib.profiler.results.cpu.CPUCallGraphBuilder.plainMethodEntry(CPUCallGraphBuilder.java:1099)
   at org.netbeans.lib.profiler.results.cpu.CPUCallGraphBuilder.plainMethodEntry(CPUCallGraphBuilder.java:1142)
   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:158)
   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:95)
   at org.netbeans.lib.profiler.results.ProfilingResultsDispatcher$1.run(ProfilingResultsDispatcher.java:132)
   at java.util.concurrent.Executors$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)