msm + tomcat session共享

[痴人了个说梦]

最进搞了个nginx+tomcat+memcached 集群和session共享。nginx+tomcat倒是集群成功。但 tomcat+memcached的session共享。却怎么也配不对。一直没有session共享。 现贴出配置
msm jar包


tomcat配置 如图


都是按照网上的配置的。
启动tomcat。报出

信息: SessionBackupAsync was changed to false, creating new BackupSessionService with new configuration.
2015-3-26 14:42:46 de.javakaffee.web.msm.MemcachedBackupSessionManager setSessionBackupAsync
信息: SessionBackupAsync was changed to false, creating new BackupSessionService with new configuration.
2015-3-26 14:42:46 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2015-3-26 14:42:46 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2015-3-26 14:42:46 de.javakaffee.web.msm.MemcachedBackupSessionManager setSessionBackupAsync
信息: SessionBackupAsync was changed to false, creating new BackupSessionService with new configuration.
2015-3-26 14:42:46 de.javakaffee.web.msm.MemcachedBackupSessionManager setSessionBackupAsync
信息: SessionBackupAsync was changed to false, creating new BackupSessionService with new configuration.
2015-3-26 14:42:46 org.apache.catalina.ha.session.JvmRouteBinderValve start
信息: JvmRouteBinderValve started
2015-3-26 14:42:46 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on http-8081
2015-3-26 14:42:47 org.apache.jk.common.ChannelSocket init
信息: JK: ajp13 listening on /0.0.0.0:8011
2015-3-26 14:42:47 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/16  config=null
2015-3-26 14:42:47 org.apache.catalina.startup.Catalina start
信息: Server startup in 6277 ms

显示确实有memcached的信息。但是访问项目。session却一直没共享。求教大神session共享的配置。