Tomcat不会复制会话属性

我正在努力configurationTomcat集群中的会话复制。 Ramki关于Tomcat Clustering 的文章对我有很大的帮助。 负载平衡和粘性会话运作良好。

会话ID被复制，但只有ID。 会话属性不是，它们只在主节点上改变。 完整会话的Apache部落复制丢失。

我的环境：Oracle Linux 6.6，Tomcat 8.0.20，JRE 7u55-b13

Apache httpd.conf

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LoadModule jk_module modules/mod_jk.so JkWorkersFile conf/workers.properties JkLogFile logs/mod_jk.log JkLogLevel emerg JkLogStampFormat "[%a %b %d %H:%M:%S %Y] " JkOptions +ForwardKeySize +ForwardURICompat -ForwardDirectories JkRequestLogFormat "%w %V %T" JkMount /status stat JkMount /* balancer JkMount /uzel1* uzel1 JkMount /uzel2* uzel2 JkMount /uzel3* uzel3 

workers.properties

 worker.list=balancer,stat worker.uzel1.type=ajp13 worker.uzel1.port=8021 worker.uzel1.host=localhost worker.uzel1.lbfactor=10 worker.uzel2.type=ajp13 worker.uzel2.port=8022 worker.uzel2.host=localhost worker.uzel2.lbfactor=10 worker.uzel3.type=ajp13 worker.uzel3.port=8023 worker.uzel3.host=localhost worker.uzel3.lbfactor=10 worker.balancer.type=lb worker.balancer.balance_workers=uzel1,uzel2,uzel3 worker.stat.type=status 

Tomcat1（uzel1）server.xml （其他节点使用增加的端口号，例如8022,4001等）

 <Connector port="8021" protocol="AJP/1.3" redirectPort="8441" /> <Engine name="Catalina" defaultHost="localhost" jvmRoute="uzel1"> <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster" channelSendOptions="8"> <Manager className="org.apache.catalina.ha.session.DeltaManager" expireSessionsOnShutdown="false" notifyListenersOnReplication="true"/> <Channel className="org.apache.catalina.tribes.group.GroupChannel"> <Membership className="org.apache.catalina.tribes.membership.McastService" address="224.0.0.4" port="45564" frequency="500" dropTime="3000"/> <Receiver className="org.apache.catalina.tribes.transport.nio.NioReceiver" address="auto" port="4001" autoBind="100" selectorTimeout="5000" maxThreads="6"/> <Sender className="org.apache.catalina.tribes.transport.ReplicationTransmitter"> <Transport className="org.apache.catalina.tribes.transport.nio.PooledParallelSender"/> </Sender> <Interceptor className="org.apache.catalina.tribes.group.interceptors.TcpFailureDetector"/> <Interceptor className="org.apache.catalina.tribes.group.interceptors.MessageDispatch15Interceptor"/> </Channel> <Valve className="org.apache.catalina.ha.tcp.ReplicationValve" filter=""/> <Valve className="org.apache.catalina.ha.session.JvmRouteBinderValve"/> <ClusterListener className="org.apache.catalina.ha.session.ClusterSessionListener"/> </Cluster> 

新会话创build时，将logging在uzel1 / catalina.out中

 12-Mar-2015 15:56:53.540 FINE [ajp-nio-8021-exec-1] org.apache.catalina.ha.session.DeltaManager.sendCreateSession Manager [localhost#] send new session (6BB91945986B0B389849887109F97864.uzel1) 12-Mar-2015 15:56:53.542 FINE [ajp-nio-8021-exec-1] org.apache.catalina.ha.session.DeltaManager.createSession Created a DeltaSession with Id [6BB91945986B0B389849887109F97864.uzel1] Total count=1 12-Mar-2015 15:56:53.547 FINE [ajp-nio-8021-exec-1] org.apache.catalina.ha.session.DeltaManager.requestCompleted Manager [localhost#]: create session message [6BB91945986B0B389849887109F97864.uzel1] delta request. 

Tomcat2将此写入到uzel2 / catalina.out

 12-Mar-2015 15:56:53.545 FINE [Tribes-Task-Receiver-5] org.apache.catalina.ha.session.DeltaManager.messageReceived Manager [localhost#]: Received SessionMessage of type=(SESSION-MODIFIED) from [org.apache.catalina.tribes.membership.MemberImpl[tcp://{10, 0, 1, 61}:4001,{10, 0, 1, 61},4001, alive=193202, securePort=-1, UDP Port=-1, id={67 84 5 -55 -55 -93 72 -27 -88 19 109 68 117 4 -82 56 }, payload={}, command={}, domain={}, ]] 12-Mar-2015 15:56:53.546 FINE [Tribes-Task-Receiver-5] org.apache.catalina.ha.session.DeltaManager.handleSESSION_CREATED Manager [localhost#]: received session [6BB91945986B0B389849887109F97864.uzel1] created. 12-Mar-2015 15:56:53.554 FINE [Tribes-Task-Receiver-6] org.apache.catalina.ha.session.DeltaManager.messageReceived Manager [localhost#]: Received SessionMessage of type=(SESSION-DELTA) from [org.apache.catalina.tribes.membership.MemberImpl[tcp://{10, 0, 1, 61}:4001,{10, 0, 1, 61},4001, alive=193202, securePort=-1, UDP Port=-1, id={67 84 5 -55 -55 -93 72 -27 -88 19 109 68 117 4 -82 56 }, payload={}, command={}, domain={}, ]] 12-Mar-2015 15:56:53.555 FINE [Tribes-Task-Receiver-6] org.apache.catalina.ha.session.DeltaManager.handleSESSION_DELTA Manager [localhost#]: received session [6BB91945986B0B389849887109F97864.uzel1] delta. 

所以第二个节点知道新的会话。 但是，它不会复制它。

在端口4001-4003没有TCP数据包

 #tcpdump -nnq dst port 4001 or dst port 4002 or dst port 4003 

你有什么想法应该检查，倾倒，检查？

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