java.lang.AssertionError at com.sun.tools.javac.util.Assert.error(Assert.java:126) at com.sun.tools.javac.util.Assert.check(Assert.java:45) at com.sun.tools.javac.comp.MemberEnter$5.enterAnnotation(MemberEnter.java:1089) at com.sun.tools.javac.comp.Annotate.flush(Annotate.java:131) at com.sun.tools.javac.comp.Annotate.enterDone(Annotate.java:123) at com.sun.tools.javac.comp.Enter.complete(Enter.java:749) at com.sun.tools.javac.main.JavaCompiler.complete(JavaCompiler.java:1069) at com.sun.tools.javac.main.JavaCompiler.enterTrees(JavaCompiler.java:1031) at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.enterTrees(JavacProcessingEnvironment.java:1028) at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.(JavacProcessingEnvironment.java:927) at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.next(JavacProcessingEnvironment.java:945) at com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing(JavacProcessingEnvironment.java:1122) at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1239) at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1126) at com.sun.tools.javac.main.JavaCompiler.complete(JavaCompiler.java:834) at com.sun.tools.javac.main.JavaCompiler$1.complete(JavaCompiler.java:325) at com.sun.tools.javac.jvm.ClassReader.fillIn(ClassReader.java:2570) at com.sun.tools.javac.jvm.ClassReader.complete(ClassReader.java:2465) at com.sun.tools.javac.jvm.ClassReader.access$000(ClassReader.java:77) at com.sun.tools.javac.jvm.ClassReader$1.complete(ClassReader.java:248) at com.sun.tools.javac.code.Symbol.complete(Symbol.java:561) at com.sun.tools.javac.code.Symbol$ClassSymbol.complete(Symbol.java:1028) at com.sun.tools.javac.jvm.ClassReader.completeEnclosing(ClassReader.java:2502) at com.sun.tools.javac.jvm.ClassReader.complete(ClassReader.java:2459) at com.sun.tools.javac.jvm.ClassReader.access$000(ClassReader.java:77) at com.sun.tools.javac.jvm.ClassReader$1.complete(ClassReader.java:248) at com.sun.tools.javac.code.Symbol.complete(Symbol.java:561) at com.sun.tools.javac.code.Symbol$ClassSymbol.complete(Symbol.java:1028) at com.sun.tools.javac.code.Symbol$ClassSymbol.flags(Symbol.java:957) at com.sun.tools.javac.code.Symbol$TypeSymbol.getEnclosedElements(Symbol.java:735) at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.visitMethod(NPECheck.java:786) at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.visitMethod(NPECheck.java:351) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:800) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:378) at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:351) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99) at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:133) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:719) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:378) at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:351) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99) at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:120) at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:551) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:378) at org.netbeans.modules.java.hints.bugs.NPECheck.computeExpressionsState(NPECheck.java:308) at org.netbeans.modules.java.hints.bugs.NPECheck.methodInvocation(NPECheck.java:139) at sun.reflect.GeneratedMethodAccessor96.invoke(GeneratedMethodAccessor96.java:0) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.netbeans.modules.java.hints.providers.code.CodeHintProviderImpl$WorkerImpl.createErrors(CodeHintProviderImpl.java:336) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.runHint(HintsInvoker.java:790) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.access$400(HintsInvoker.java:111) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.runAndAdd(HintsInvoker.java:657) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:676) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:614) at com.sun.source.util.TreeScanner.visitExpressionStatement(TreeScanner.java:243) at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1302) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:682) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:614) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:162) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:918) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:682) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:614) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81) at com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:144) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:800) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:682) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:614) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99) at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:133) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:719) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:682) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:614) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99) at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:120) at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:551) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:50) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:701) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHintsImpl(HintsInvoker.java:256) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:239) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:209) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:182) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:149) at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:114) at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:83) at org.netbeans.modules.java.source.JavaSourceAccessor$CancelableTaskWrapper.run(JavaSourceAccessor.java:298) at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:568) at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:744) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2042)