java.lang.NullPointerException
   at com.sun.tools.javac.comp.MemberEnter.complete(MemberEnter.java:1221)
   at com.sun.tools.javac.code.Symbol.complete(Symbol.java:561)
   at com.sun.tools.javac.code.Symbol$ClassSymbol.complete(Symbol.java:1028)
   at com.sun.tools.javac.code.Symbol$ClassSymbol.flags(Symbol.java:957)
   at com.sun.tools.javac.code.Symbol$TypeSymbol.getEnclosedElements(Symbol.java:735)
   at org.netbeans.api.java.source.ElementHandle.resolveImpl(ElementHandle.java:177)
   at org.netbeans.api.java.source.ElementHandle.resolve(ElementHandle.java:136)
   at org.netbeans.api.java.source.TreePathHandle$TreeDelegate.resolve(TreePathHandle.java:461)
   at org.netbeans.api.java.source.TreePathHandle.resolve(TreePathHandle.java:154)
   at org.netbeans.modules.java.navigation.BreadCrumbsNodeImpl$1.run(BreadCrumbsNodeImpl.java:396)
   at org.netbeans.modules.java.navigation.BreadCrumbsNodeImpl$1.run(BreadCrumbsNodeImpl.java:392)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:493)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:593)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:155)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:139)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:206)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:203)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:203)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:443)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:414)
   at org.netbeans.modules.java.navigation.BreadCrumbsNodeImpl.getChildren(BreadCrumbsNodeImpl.java:392)
   at org.netbeans.modules.java.navigation.BreadCrumbsScanningTask.rootAndSelection(BreadCrumbsScanningTask.java:137)
   at org.netbeans.modules.java.navigation.BreadCrumbsScanningTask.run(BreadCrumbsScanningTask.java:105)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:568)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:744)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
   at java.util.concurrent.FutureTask.run(FutureTask.java:166)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2042)