java.lang.NullPointerException
   at com.sun.tools.javac.util.Log$DeferredDiagnosticHandler.reportDeferredDiagnostics(Log.java:169)
   at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.showDiagnostics(JavacProcessingEnvironment.java:1259)
   at com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing(JavacProcessingEnvironment.java:1322)
   at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1345)
   at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1233)
   at com.sun.tools.javac.main.JavaCompiler.resolveIdent(JavaCompiler.java:761)
   at com.sun.tools.javac.model.JavacElements.binaryNameToClassSymbol(JavacElements.java:231)
   at com.sun.tools.javac.model.JavacElements.getTypeElementByBinaryName(JavacElements.java:214)
   at com.sun.tools.javac.model.JavacElements.getTypeElementByBinaryName(JavacElements.java:202)
   at org.netbeans.api.java.source.ElementHandle.getTypeElementByBinaryName(ElementHandle.java:659)
   at org.netbeans.api.java.source.ElementHandle.resolveImpl(ElementHandle.java:174)
   at org.netbeans.api.java.source.ElementHandle.resolve(ElementHandle.java:140)
   at org.netbeans.modules.j2ee.metadata.model.api.support.annotation.PersistentObjectManager.typesChanged(PersistentObjectManager.java:207)
   at org.netbeans.modules.j2ee.metadata.model.api.support.annotation.AnnotationModelHelper$ClassIndexListenerImpl$3.call(AnnotationModelHelper.java:416)
   at org.netbeans.modules.j2ee.metadata.model.api.support.annotation.AnnotationModelHelper$ClassIndexListenerImpl$3.call(AnnotationModelHelper.java:412)
   at org.netbeans.modules.j2ee.metadata.model.api.support.annotation.AnnotationModelHelper.runCallable(AnnotationModelHelper.java:256)
   at org.netbeans.modules.j2ee.metadata.model.api.support.annotation.AnnotationModelHelper.access$100(AnnotationModelHelper.java:79)
   at org.netbeans.modules.j2ee.metadata.model.api.support.annotation.AnnotationModelHelper$2.run(AnnotationModelHelper.java:184)
   at org.netbeans.modules.j2ee.metadata.model.api.support.annotation.AnnotationModelHelper$2.run(AnnotationModelHelper.java:181)
   at org.netbeans.modules.java.source.parsing.MimeTask.run(MimeTask.java:83)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:609)
   at org.netbeans.modules.parsing.api.ParserManager$MimeTaskAction.run(ParserManager.java:380)
   at org.netbeans.modules.parsing.api.ParserManager$MimeTaskAction.run(ParserManager.java:363)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:204)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:90)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:201)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:334)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:447)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:439)
   at org.netbeans.modules.j2ee.metadata.model.api.support.annotation.AnnotationModelHelper.runJavaSourceTask(AnnotationModelHelper.java:181)
   at org.netbeans.modules.j2ee.metadata.model.api.support.annotation.AnnotationModelHelper$ClassIndexListenerImpl.runInJavacContext(AnnotationModelHelper.java:458)
   at org.netbeans.modules.j2ee.metadata.model.api.support.annotation.AnnotationModelHelper$ClassIndexListenerImpl.typesChanged(AnnotationModelHelper.java:412)
   at org.netbeans.api.java.source.ClassIndex$SPIListener.lambda$typesChanged$13(ClassIndex.java:955)
   at org.netbeans.modules.parsing.impl.TaskProcessor$5.run(TaskProcessor.java:481)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:584)
   at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:748)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:304)
   at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.execute(TaskProcessor.java:725)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:686)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)