java.lang.AssertionError
   at com.sun.tools.javac.util.Assert.error(Assert.java:155)
   at com.sun.tools.javac.util.Assert.checkNonNull(Assert.java:62)
   at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1288)
   at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1236)
   at com.sun.tools.javac.main.JavaCompiler.lambda$readSourceFile$139(JavaCompiler.java:934)
   at com.sun.tools.javac.code.ClassFinder.complete(ClassFinder.java:315)
   at com.sun.tools.javac.code.Symbol.complete(Symbol.java:636)
   at com.sun.tools.javac.code.Symbol$ClassSymbol.complete(Symbol.java:1325)
   at com.sun.tools.javac.code.ClassFinder.loadClass(ClassFinder.java:432)
   at com.sun.tools.javac.comp.Resolve.loadClass(Resolve.java:1978)
   at com.sun.tools.javac.comp.Resolve.findIdentInPackage(Resolve.java:2354)
   at com.sun.tools.javac.comp.Attr.selectSym(Attr.java:3773)
   at com.sun.tools.javac.comp.Attr.visitSelect(Attr.java:3657)
   at com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:2110)
   at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:502)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:643)
   at com.sun.tools.javac.comp.Attr.visitSelect(Attr.java:3629)
   at com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:2110)
   at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:502)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:643)
   at com.sun.tools.javac.comp.Attr.attribType(Attr.java:383)
   at com.sun.tools.javac.api.JavacTaskImpl.parseType(JavacTaskImpl.java:650)
   at org.netbeans.api.java.source.TreeUtilities.parseType(TreeUtilities.java:549)
   at org.netbeans.modules.java.hints.spiimpl.Hacks.parseFQNType(Hacks.java:185)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.doComputeHints(HintsInvoker.java:548)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHintsImpl(HintsInvoker.java:306)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:251)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:216)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:189)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:151)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:137)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:88)
   at org.netbeans.modules.java.source.JavaSourceAccessor$CancelableTaskWrapper.run(JavaSourceAccessor.java:297)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:584)
   at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:809)
   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)