转：Spring-session & redis 子域名共享session

Spring-session & redis 子域名共享session

例子:

• a.example.com
• b.example.com

spring 版本 4.2.6.RELEASE
Spring-session Maven 依赖相关的包

<!-- redis -->
    <dependency>
      <groupId>redis.clients</groupId>
      <artifactId>jedis</artifactId>
      <version>2.5.2</version>
    </dependency>
    <dependency>
      <groupId>org.springframework.data</groupId>
      <artifactId>spring-data-redis</artifactId>
      <version>1.7.1.RELEASE</version>
    </dependency>
    <dependency>
      <groupId>org.springframework.session</groupId>
      <artifactId>spring-session-data-redis</artifactId>
      <version>1.2.0.RELEASE</version>
    </dependency>
    <dependency>
      <groupId>org.apache.commons</groupId>
      <artifactId>commons-pool2</artifactId>
      <version>2.2</version>
    </dependency>

Redis.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd"
       default-autowire="byName" default-lazy-init="true">

    <!-- redis -->
    <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
    </bean>

    <!-- 设置Cookie domain 和 名称 -->
    <bean id="defaultCookieSerializer" class="org.springframework.session.web.http.DefaultCookieSerializer">
        <property name="domainName" value=".example.com"/>
        <property name="cookieName" value="JSESSIONID"/>
        <!--<property name="domainNamePattern" value="^.+?\.(\w+\.[a-z]+)$"/>-->
    </bean>

    <bean id="jedisConnectionFactory"
          class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
        <property name="hostName" value="${redis.host}" />
        <property name="port" value="${redis.port}" />
        <property name="password" value="${redis.pass}" />
        <property name="timeout" value="${redis.timeout}" />
        <property name="poolConfig" ref="jedisPoolConfig" />
        <property name="usePool" value="true" />
    </bean>

    <bean id="redisTemplate" class="org.springframework.data.redis.core.StringRedisTemplate">
        <property name="connectionFactory" ref="jedisConnectionFactory" />
    </bean>

    <!-- 将session放入redis -->
    <bean id="redisHttpSessionConfiguration"
          class="org.springframework.session.data.redis.config.annotation.web.http.RedisHttpSessionConfiguration">
        <property name="maxInactiveIntervalInSeconds" value="1800" />
        <property name="cookieSerializer" ref="defaultCookieSerializer"/>
    </bean>

</beans>

以上配置完后,分别启动 a tomcat(a.example.com),b tomcat(b.example.com) 查看sessionid 是否已经一致了 : )

另外告诉大家一个点.有问题,上github 搜 issues 关键字 : )

https://github.com/spring-projects/spring-session/issues/297

参考资料:
Spring Session - Custom Cookie
关于spring session redis共享session的一个坑
利用spring session解决共享Session问题

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