java.lang.ClassCastException: com.sun.tools.javadoc.TagImpl cannot be cast to com.sun.javadoc.ParamTag
   at org.netbeans.modules.java.editor.javadoc.JavadocImports.computeTokensOfReferencedElements(JavadocImports.java:237)
   at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.handleJavadoc(FindLocalUsagesQuery.java:112)
   at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.visitMethod(FindLocalUsagesQuery.java:126)
   at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.visitMethod(FindLocalUsagesQuery.java:74)
   at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:695)
   at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:67)
   at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:80)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:90)
   at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:98)
   at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:132)
   at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.visitClass(FindLocalUsagesQuery.java:153)
   at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.visitClass(FindLocalUsagesQuery.java:74)
   at com.sun.tools.javac.tree.JCTree$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 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$JCCompilationUnit.accept(JCTree.java:490)
   at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:67)
   at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94)
   at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.findUsages(FindLocalUsagesQuery.java:96)
   at org.netbeans.modules.java.editor.semantic.MarkOccurrencesHighlighter.processImpl(MarkOccurrencesHighlighter.java:431)
   at org.netbeans.modules.java.editor.semantic.MarkOccurrencesHighlighter.run(MarkOccurrencesHighlighter.java:160)
   at org.netbeans.modules.parsing.impl.TaskProcessor$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)