java.lang.AssertionError: <anonymous >
   at com.sun.tools.javac.util.Assert.error(Assert.java:133)
   at com.sun.tools.javac.util.Assert.checkNull(Assert.java:102)
   at com.sun.tools.javac.jvm.ClassReader.defineClass(ClassReader.java:2110)
   at com.sun.tools.javac.jvm.ClassReader.enterClass(ClassReader.java:2176)
   at com.sun.tools.javac.jvm.ClassReader.enterClass(ClassReader.java:2188)
   at com.sun.tools.javac.jvm.ClassReader.loadClass(ClassReader.java:2399)
   at com.sun.tools.javadoc.DocEnv.loadClass(DocEnv.java:156)
   at org.netbeans.modules.java.source.JavadocEnv.lookupClass(JavadocEnv.java:238)
   at com.sun.tools.javadoc.ClassDocImpl.searchClass(ClassDocImpl.java:730)
   at com.sun.tools.javadoc.ClassDocImpl.findClass(ClassDocImpl.java:713)
   at com.sun.tools.javadoc.SeeTagImpl.findReferenced(SeeTagImpl.java:256)
   at com.sun.tools.javadoc.SeeTagImpl.<init>(SeeTagImpl.java:73)
   at com.sun.tools.javadoc.Comment$1CommentStringParser.parseCommentComponent(Comment.java:158)
   at com.sun.tools.javadoc.Comment$1CommentStringParser.parseCommentStateMachine(Comment.java:135)
   at com.sun.tools.javadoc.Comment.<init>(Comment.java:186)
   at com.sun.tools.javadoc.DocImpl.comment(DocImpl.java:102)
   at com.sun.tools.javadoc.ExecutableMemberDocImpl.typeParamTags(ExecutableMemberDocImpl.java:143)
   at org.netbeans.modules.javadoc.hints.Analyzer.processTypeParameters(Analyzer.java:605)
   at org.netbeans.modules.javadoc.hints.Analyzer.analyze(Analyzer.java:225)
   at org.netbeans.modules.javadoc.hints.JavadocHintProvider.run(JavadocHintProvider.java:133)
   at org.netbeans.modules.java.hints.infrastructure.RulesManager$WorkerImpl.createErrors(RulesManager.java:406)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker.runHint(HintsInvoker.java:685)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker.access$000(HintsInvoker.java:103)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker$ScannerImpl.runAndAdd(HintsInvoker.java:552)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:571)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:512)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:80)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:90)
   at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:98)
   at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:132)
   at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:622)
   at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:67)
   at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:577)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:512)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:90)
   at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:98)
   at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:119)
   at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:490)
   at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:49)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:596)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker.computeHints(HintsInvoker.java:233)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker.compute(HintsInvoker.java:210)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker.computeHints(HintsInvoker.java:178)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsInvoker.computeHints(HintsInvoker.java:134)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsTask.run(HintsTask.java:107)
   at org.netbeans.modules.java.hints.jackpot.impl.hints.HintsTask.run(HintsTask.java:77)
   at org.netbeans.modules.java.source.JavaSourceAccessor$CancelableTaskWrapper.run(JavaSourceAccessor.java:322)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:676)
   at java.util.concurrent.Executors$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:662)