java.lang.NullPointerException
   at org.netbeans.modules.web.wicket.tree.ComponentIdFinder.visitNewClass(ComponentIdFinder.java:67)
   at org.netbeans.modules.web.wicket.tree.ComponentIdFinder.visitNewClass(ComponentIdFinder.java:34)
   at com.sun.tools.javac.tree.JCTree$JCNewClass.accept(JCTree.java:1366)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:76)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:80)
   at com.sun.source.util.TreeScanner.visitVariable(TreeScanner.java:150)
   at org.netbeans.modules.web.wicket.tree.ComponentIdFinder.visitVariable(ComponentIdFinder.java:101)
   at org.netbeans.modules.web.wicket.tree.ComponentIdFinder.visitVariable(ComponentIdFinder.java:34)
   at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:723)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:76)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:90)
   at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:159)
   at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:777)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:76)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:80)
   at com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:142)
   at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:677)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:76)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:80)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:90)
   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$JCClassDecl.accept(JCTree.java:604)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:76)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:80)
   at com.sun.source.util.TreeScanner.visitNewClass(TreeScanner.java:276)
   at org.netbeans.modules.web.wicket.tree.ComponentIdFinder.visitNewClass(ComponentIdFinder.java:78)
   at org.netbeans.modules.web.wicket.tree.ComponentIdFinder.visitNewClass(ComponentIdFinder.java:34)
   at com.sun.tools.javac.tree.JCTree$JCNewClass.accept(JCTree.java:1366)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:76)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:80)
   at com.sun.source.util.TreeScanner.visitVariable(TreeScanner.java:150)
   at org.netbeans.modules.web.wicket.tree.ComponentIdFinder.visitVariable(ComponentIdFinder.java:101)
   at org.netbeans.modules.web.wicket.tree.ComponentIdFinder.visitVariable(ComponentIdFinder.java:34)
   at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:723)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:76)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:90)
   at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:159)
   at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:777)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:76)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:80)
   at com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:142)
   at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:677)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:76)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:80)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:90)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:98)
   at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:132)
   at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:604)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:76)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:80)
   at com.sun.source.util.TreeScanner.visitNewClass(TreeScanner.java:276)
   at org.netbeans.modules.web.wicket.tree.ComponentIdFinder.visitNewClass(ComponentIdFinder.java:78)
   at org.netbeans.modules.web.wicket.tree.ComponentIdFinder.visitNewClass(ComponentIdFinder.java:34)
   at com.sun.tools.javac.tree.JCTree$JCNewClass.accept(JCTree.java:1366)
   at org.netbeans.modules.web.wicket.tree.JavaTreeBuilder$T.run(JavaTreeBuilder.java:177)
   at org.netbeans.modules.web.wicket.tree.JavaTreeBuilder$T.run(JavaTreeBuilder.java:86)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:466)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:129)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:113)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:190)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:99)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:421)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:392)
   at org.netbeans.modules.web.wicket.tree.JavaTreeBuilder.analyze(JavaTreeBuilder.java:71)
   at org.netbeans.modules.web.wicket.verification.WicketProblemAnnotationProvider.annotate(WicketProblemAnnotationProvider.java:186)
   at org.netbeans.modules.web.wicket.verification.WicketProblemAnnotationProvider.annotate(WicketProblemAnnotationProvider.java:175)
   at org.netbeans.modules.web.wicket.verification.WicketProblemAnnotationProvider.annotate(WicketProblemAnnotationProvider.java:118)
   at org.netbeans.modules.web.wicket.verification.WicketProblemAnnotationProvider.access$700(WicketProblemAnnotationProvider.java:59)
   at org.netbeans.modules.web.wicket.verification.WicketProblemAnnotationProvider$ScanningDocumentListener.run(WicketProblemAnnotationProvider.java:554)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:602)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1084)