java.lang.NullPointerException
   at edu.umd.cs.findbugs.detect.LazyInit.prescreen(LazyInit.java:129)
   at edu.umd.cs.findbugs.ByteCodePatternDetector.visitClassContext(ByteCodePatternDetector.java:69)
   at edu.umd.cs.findbugs.DetectorToDetector2Adapter.visitClass(DetectorToDetector2Adapter.java:74)
   at edu.umd.cs.findbugs.FindBugs2.analyzeApplication(FindBugs2.java:1189)
   at edu.umd.cs.findbugs.FindBugs2.execute(FindBugs2.java:278)
   at org.netbeans.modules.findbugs.RunFindBugs.runFindBugs(RunFindBugs.java:225)
   at org.netbeans.modules.findbugs.RunInEditor.doRun(RunInEditor.java:141)
   at org.netbeans.modules.findbugs.RunInEditor.run(RunInEditor.java:98)
   at org.netbeans.modules.findbugs.RunInEditor.run(RunInEditor.java:81)
   at org.netbeans.modules.java.source.JavaSourceAccessor$CancelableTaskWrapper.run(JavaSourceAccessor.java:298)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:559)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:735)
   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)