java - The API package 'memcache' or call 'FlushAll()' was not found -

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I'm testing some code locally using Google Apps Engine SDK 1.9.12. I have added the servlet listener to initialize the memcache with 2 namespaces I I Method contextDestroyed (ServletContextEvent SCE) Memcache entries included in the code to clear. 

  MemcacheServiceFactory.getMemcacheService () clearAll ();   
 It really throws the following exception in the server is down:  
  Warning: Exception com.google.apphosting.api.ApiProxy $ CallNotFoundException: API package 'Memcache' or call 'flush' () 'was not found. com.google.apphosting.api.ApiProxy $ 1.Get (ApiProxy.java:179) com.google.apphosting.api.ApiProxy $ 1.Get (ApiProxy.java:177) on com.google.appengine.api.utils on (FutureWrapper.get on com.google.appengine.api.memcache.MemcacheServiceImpl.quietGet (MemcacheServiceImpl.java:26) on Com.google.appengine.api.memcache.MemcacheServiceImpl.clearAll FutureWrapper.java:88) all (MemcacheServiceImpl .java: 170) org.mortbay.jetty com.valeo.general.listeners.BaseCacheListener.contextDestroyed (BaseCacheListener.java:27) at all (BaseCacheManager.java:47) on com.valeo.general.util.BaseCacheManager.clear. On the handler. Org.mortbay on ContextHandler.doStop (Sndrbhandlr on org.mortbay.jetty.webapp.WebAppContext.doStop on org.mortbay.component.AbstractLifeCycle.stop. Java. 99) (Apple Laifsaikl. Java .76) .jetty.handler.HandlerWrapper .doStop org.mortbay.component.AbstractLifeCycle.stop (AbstractLifeCycle.java:76) to (HandlerWrapper.java:142) Com.appengine.tools.development.jettyContainerService $ 2 on com.google.appengine.tools.development.JettyContainerServic. on filesChangeed (JettyContainerService.java:380) on e.reloadWebApp (JettyContainerService.java:393) org.mortbay.util.Scanner.reportBulkChanges (Scanner.java:48686) org.mortbay.util.Scanner $ 1.run (Scanner. Java: at org.mortbay.util.Scanner.reportDifferences (Scanner.java:352) org.mortbay.util.Scanner.scan (Scanner.java:280) at 232) java.util on java.util.TimerThread.run. TimerThread.mainLoop (unknown source) (Ed. After source) on   
 Please resolve help me this.   
 
 
 When the App Engine Java framework that calls  contextDestroyed (ServletContextEvent) your code < Connection to backend services including memcache / code> it has already broken.  
 Unfortunately you can not use  ServletContextListener  to perform memcache operations on shutdown.

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