java.lang.AssertionError
   at com.sun.tools.javac.util.Assert.error(Assert.java:126)
   at com.sun.tools.javac.util.Assert.checkNonNull(Assert.java:61)
   at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1174)
   at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1123)
   at com.sun.tools.javac.api.JavacTrees.attribStatToTree(JavacTrees.java:891)
   at com.sun.tools.javac.api.JavacTrees.getAttrContext(JavacTrees.java:849)
   at com.sun.tools.javac.api.JavacTrees.getScope(JavacTrees.java:728)
   at com.sun.tools.javac.api.JavacTrees.getScope(JavacTrees.java:124)
   at org.netbeans.api.java.source.TreeUtilities.scopeFor(TreeUtilities.java:656)
   at org.netbeans.modules.debugger.jpda.projects.EditorContextSupport$12.run(EditorContextSupport.java:1282)
   at org.netbeans.modules.debugger.jpda.projects.EditorContextSupport$12.run(EditorContextSupport.java:1249)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:479)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:609)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:153)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:137)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:204)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:88)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:201)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:104)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:429)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:400)
   at org.netbeans.modules.debugger.jpda.projects.EditorContextSupport$14.run(EditorContextSupport.java:1488)
   at org.netbeans.modules.debugger.jpda.projects.EditorContextSupport$14.run(EditorContextSupport.java:1484)
   at org.netbeans.modules.debugger.jpda.projects.EditorContextSupport$ScanRunnable.run(EditorContextSupport.java:1474)
   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)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.AssertionError
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:420)
   at org.netbeans.modules.debugger.jpda.projects.EditorContextSupport.scanReallyLazy(EditorContextSupport.java:1518)
   at org.netbeans.modules.debugger.jpda.projects.EditorContextSupport.runWhenScanFinishedReallyLazy(EditorContextSupport.java:1484)
   at org.netbeans.modules.debugger.jpda.projects.EditorContextSupport.getCurrentElement(EditorContextSupport.java:1249)
   at org.netbeans.modules.debugger.jpda.projectsui.EditorContextImpl.getCurrentElement(EditorContextImpl.java:945)
   at org.netbeans.modules.debugger.jpda.projectsui.EditorContextImpl.getCurrentElement(EditorContextImpl.java:907)
   at org.netbeans.modules.debugger.jpda.projectsui.EditorContextImpl.getCurrentElement(EditorContextImpl.java:897)
   at org.netbeans.modules.debugger.jpda.projectsui.EditorContextImpl.getCurrentClassName(EditorContextImpl.java:435)
   at org.netbeans.modules.debugger.jpda.ui.actions.ToggleMethodFieldBreakpointAction.submitFieldOrMethodOrClassBreakpoint(ToggleMethodFieldBreakpointAction.java:187)
   at org.netbeans.modules.debugger.jpda.ui.actions.ToggleMethodFieldBreakpointAction.actionPerformed(ToggleMethodFieldBreakpointAction.java:146)
   at org.netbeans.editor.GlyphGutter$GutterMouseListener.mouseClicked(GlyphGutter.java:962)
   at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:269)
   at java.awt.Component.processMouseEvent(Component.java:6519)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
   at java.awt.Component.processEvent(Component.java:6281)
   at java.awt.Container.processEvent(Container.java:2229)
   at java.awt.Component.dispatchEventImpl(Component.java:4872)
   at java.awt.Container.dispatchEventImpl(Container.java:2287)
   at java.awt.Component.dispatchEvent(Component.java:4698)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4832)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4501)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4422)
   at java.awt.Container.dispatchEventImpl(Container.java:2273)
   at java.awt.Window.dispatchEventImpl(Window.java:2719)
   at java.awt.Component.dispatchEvent(Component.java:4698)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:740)
   at java.awt.EventQueue.access$300(EventQueue.java:103)
   at java.awt.EventQueue$3.run(EventQueue.java:699)
   at java.awt.EventQueue$3.run(EventQueue.java:697)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
   at java.awt.EventQueue$4.run(EventQueue.java:713)
   at java.awt.EventQueue$4.run(EventQueue.java:711)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:710)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)