java.lang.NullPointerException
        at com.sun.tools.javac.comp.MemberEnter.baseEnv(MemberEnter.java:1106)
        at com.sun.tools.javac.comp.MemberEnter.complete(MemberEnter.java:953)
        at com.sun.tools.javac.code.Symbol.complete(Symbol.java:401)
        at com.sun.tools.javac.code.Symbol$ClassSymbol.complete(Symbol.java:784)
        at com.sun.tools.javac.code.Symbol$ClassSymbol.flags(Symbol.java:723)
        at com.sun.tools.javac.comp.Resolve.isAccessible(Resolve.java:197)
        at com.sun.tools.javac.comp.Resolve.findMemberType(Resolve.java:890)
        at com.sun.tools.javac.comp.Resolve.findType(Resolve.java:953)
        at com.sun.tools.javac.comp.Resolve.findIdent(Resolve.java:1003)
        at com.sun.tools.javac.comp.Resolve.resolveIdent(Resolve.java:1196)
        at com.sun.tools.javac.comp.Attr.visitIdent(Attr.java:1797)
        at com.sun.tools.javac.tree.JCTree$JCIdent.accept(JCTree.java:1683)
        at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:387)
        at com.sun.tools.javac.comp.Attr.attribType(Attr.java:417)
        at com.sun.tools.javac.comp.Attr.visitTypeApply(Attr.java:2492)
        at com.sun.tools.javac.tree.JCTree$JCTypeApply.accept(JCTree.java:1844)
        at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:387)
        at com.sun.tools.javac.comp.Attr.attribType(Attr.java:417)
        at com.sun.tools.javac.comp.MemberEnter.visitVarDef(MemberEnter.java:708)
        at com.sun.tools.javadoc.JavadocMemberEnter.visitVarDef(JavadocMemberEnter.java:79)
        at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:713)
        at com.sun.tools.javac.comp.MemberEnter.memberEnter(MemberEnter.java:420)
        at com.sun.tools.javac.comp.MemberEnter.memberEnter(MemberEnter.java:432)
        at com.sun.tools.javac.comp.MemberEnter.finishClass(MemberEnter.java:444)
        at com.sun.tools.javac.comp.MemberEnter.finish(MemberEnter.java:1122)
        at com.sun.tools.javac.comp.MemberEnter.complete(MemberEnter.java:1089)
        at com.sun.tools.javac.code.Symbol.complete(Symbol.java:401)
        at com.sun.tools.javac.code.Symbol$ClassSymbol.complete(Symbol.java:784)
        at com.sun.tools.javac.comp.Enter.complete(Enter.java:609)
        at org.netbeans.api.java.source.JavaSource$ErrorHandlingJavadocEnter.main(JavaSource.java:1221)
        at com.sun.tools.javac.main.JavaCompiler.enterTrees(JavaCompiler.java:843)
        at com.sun.tools.javac.api.JavacTaskImpl.enter(JavacTaskImpl.java:357)
        at org.netbeans.modules.java.source.TreeLoader.loadTreeFor(TreeLoader.java:121)
        at com.sun.tools.javac.model.JavacElements.getTreeAndTopLevel(JavacElements.java:626)
        at com.sun.tools.javac.model.JavacElements.getTreeAndTopLevel(JavacElements.java:652)
        at com.sun.tools.javac.api.JavacTrees.getPath(JavacTrees.java:175)
        at com.sun.tools.javac.api.JavacTrees.getPath(JavacTrees.java:167)
        at org.netbeans.modules.editor.java.GoToSupport$1.run(GoToSupport.java:290)
        at org.netbeans.modules.editor.java.GoToSupport$1.run(GoToSupport.java:142)
        at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:665)
        at org.netbeans.modules.editor.java.GoToSupport.performGoTo(GoToSupport.java:141)
        at org.netbeans.modules.editor.java.GoToSupport.goTo(GoToSupport.java:344)
        at org.netbeans.modules.editor.java.JavaKit$JavaGoToDeclarationAction.gotoDeclaration(JavaKit.java:739)
        at org.netbeans.editor.ext.ExtKit$GotoDeclarationAction.actionPerformed(ExtKit.java:561)
        at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:290)
        at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1636)
        at javax.swing.JComponent.processKeyBinding(JComponent.java:2849)
        at javax.swing.JComponent.processKeyBindings(JComponent.java:2884)
        at javax.swing.JComponent.processKeyEvent(JComponent.java:2812)
        at java.awt.Component.processEvent(Component.java:5818)
        at java.awt.Container.processEvent(Container.java:2058)
        at java.awt.Component.dispatchEventImpl(Component.java:4413)
        at java.awt.Container.dispatchEventImpl(Container.java:2116)
        at java.awt.Component.dispatchEvent(Component.java:4243)
        at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1848)
        at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:697)
        at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:962)
        at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:834)
        at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:661)
        at java.awt.Component.dispatchEventImpl(Component.java:4285)
        at java.awt.Container.dispatchEventImpl(Container.java:2116)
        at java.awt.Window.dispatchEventImpl(Window.java:2440)
        at java.awt.Component.dispatchEvent(Component.java:4243)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)