https://github.com/jcoleman/tomcat-redis-session-manager

切换选择不同版本  附件是java1.6  tomcat7
https://github.com/izerui/tomcat-redis-session-manager   tomca7  java1.7 

安装好redis   2.8版本以上

grandle构建      ../gradle-2.1/bin/gradle build
build.gradle
apply plugin: 'java'
version = '1.1'

repositories {
  mavenCentral()
}

dependencies {
  compile group: 'org.apache.tomcat', name: 'tomcat-catalina', version: '7.0.67'
  compile group: 'redis.clients', name: 'jedis', version: '2.5.2'
  compile group: 'org.apache.commons', name: 'commons-pool2', version: '2.2'
  // testCompile group: 'junit', name: 'junit', version: '4.+'
}



tomcat  conf/context.xml
<Valve className="com.radiadesign.catalina.session.RedisSessionHandlerValve" />   路径根据
tomcat-redis-session jar包文件路径修改
    <Manager className="com.radiadesign.catalina.session.RedisSessionManager" 
         host="192.168.1.5" 
         port="6379" 
         database="0" 
         maxInactiveInterval="60" />

 tomca7  java1.7 

<Valve className="com.orangefunction.tomcat.redissessions.RedisSessionHandlerValve" />
     <Manager className="com.orangefunction.tomcat.redissessions.RedisSessionManager"
      host="localhost"
      port="6379"
      database="0"
      maxInactiveInterval="60"
      sessionPersistPolicies="PERSIST_POLICY_1,PERSIST_POLICY_2,.."    session保存策略，可选项
      sentinelMaster="SentinelMasterName"                 redis集群主节点名称
      sentinels="sentinel-host-1:port,sentinel-host-2:port,.."/>          redis集群列表配置     



java.lang.IllegalArgumentException: setAttribute: Non-serializable attribute registerLoginUser
session需要序列化