java.lang.Exception: Scan canceled.
   at java.lang.Thread.getStackTrace(Thread.java:1567)
   at org.netbeans.modules.parsing.impl.indexing.LogContext.create(LogContext.java:125)
   at org.netbeans.modules.parsing.impl.indexing.LogContext.create(LogContext.java:118)
   at org.netbeans.modules.parsing.impl.indexing.PathRegistry.scheduleFirer(PathRegistry.java:829)
   at org.netbeans.modules.parsing.impl.indexing.PathRegistry.resetCacheAndFire(PathRegistry.java:822)
   at org.netbeans.modules.parsing.impl.indexing.PathRegistry.access$500(PathRegistry.java:86)
   at org.netbeans.modules.parsing.impl.indexing.PathRegistry$Listener.pathsAdded(PathRegistry.java:1087)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:601)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:457)
   at com.sun.proxy.$Proxy6.pathsAdded(.java:0)
   at org.netbeans.api.java.classpath.GlobalPathRegistry.register(GlobalPathRegistry.java:214)
   at org.netbeans.modules.javascript2.editor.classpath.ClassPathProviderImpl$2.run(ClassPathProviderImpl.java:164)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2044)