org.apache.catalina.cluster.session 包。
这块文档太差劲了吧，开源项目的文档啊，哎！没有把英文去掉，读者尽量看吧，我也没搞明白很多！！
| Interface Summary | |
| SessionMessage |
该类在Tomcat集群节点中有Session对象创建修改或者终结的时候使用 |
| Class Summary | |
| ClusterListener |
Receive SessionID cluster change from other backup node after primary session node is failed. 在主Session节点失败后，从其它回退节点获取SessionID集群的改变。 |
| ClusterSessionListener |
Receive replicated SessionMessage form other cluster node. 获取SessionMessage 形成其它集群节点 |
| Constants |
Manifest constants for the |
| DeltaManager |
The DeltaManager manages replicated sessions by only replicating the deltas in data. 该类复制复制Session，但是只复制数据中的delta |
| DeltaRequest | 无内容 |
| DeltaSession |
Similar to the StandardSession, this code is identical, but for update and some small issues, simply copied in the first release. 跟StandardSession相似，该代码跟第一次的时候相同，只是有升级和一些小的问题改变。 |
| DeltaSessionFacade |
Facade for the DeltaSession object. DeltaSession 类的外观类 |
| JvmRouteBinderValve |
Valve to handle Tomcat jvmRoute takeover using mod_jk module after node failure. 晕菜》。。。 |
| JvmRouteSessionIDBinderLifecycleListener | Deprecated. 过时 |
| JvmRouteSessionIDBinderListener |
Receive SessionID cluster change from other backup node after primary session node is failed. （跟第一个类中的注释相同，晕菜！！！） |
| ReplicatedSession | 无内容 |
| ReplicationStream |
Custom subclass of
|
| SerializablePrincipal | 无内容 |
| SessionIDMessage |
Session id change cluster message Session id 改变集群消息（不明白，只能这么译了） |
| SessionMessageImpl |
Session cluster message Session集群消息 |
| SimpleTcpReplicationManager |
Title: Tomcat Session Replication for Tomcat 4.0 晕菜！！！ |