spring boot + redis session 配置

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zhangyue

#最近比较忙，都没忘记整理写文章了，刚好想起来，记录一下spring boot 使用xml方式配置redis session的方法，关于使用xml配置还是使用spring注解方式来配置就不在这里讨论了，我觉得看个人喜好吧，我是觉得配置相关还是抽离出来到配置文件中比较好一点。废话不多说，看配置

# 1.在pom.xml中引入jar
```
        <dependency>
				<groupId>org.springframework.session</groupId>
				<artifactId>spring-session-data-redis</artifactId>
				<version>1.3.0.RELEASE</version>
			</dependency>
			<dependency>
				<groupId>org.springframework.session</groupId>
				<artifactId>spring-session</artifactId>
				<version>1.3.0.RELEASE</version>
		 </dependency>
```

# 2.在spring 上下文中加入xml配置`spring-session-redis.xml`

```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:context="http://www.springframework.org/schema/context"
       xmlns:p="http://www.springframework.org/schema/p" xmlns:util="http://www.springframework.org/schema/util"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd
        ">

<context:annotation-config/>

<bean class="org.springframework.session.data.redis.config.annotation.web.http.RedisHttpSessionConfiguration"/>

<bean class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
        <constructor-arg index="0">
            
            <bean class="org.springframework.data.redis.connection.RedisClusterConfiguration">
                <constructor-arg index="0">
                    <set>
                        <value>${redis.cluster.servers}</value>
                    </set>
                </constructor-arg>

<property name="maxRedirects" value="${redis.cluster.max_redirections}"/>
            </bean>
        </constructor-arg>
        
        
          <constructor-arg index="1">
            <bean class="redis.clients.jedis.JedisPoolConfig">
                <property name="maxIdle" value="${redis.jedisPoolConfig.MaxIdle}" />
                
                
                
            </bean>
        </constructor-arg>

</bean>

</beans>
```

# 3.在application.properties文件中加入redis相关配置
```properties
#理论上只需要配置一个节点即可,配置多个是为了防止单个节点挂掉,
redis.redisClusterConfiguration.clusters=192.168.212.60:7000,192.168.212.60:7001,192.168.212.60:7002
#默认值是5
#一般当此值设置过大时，容易报：Too many Cluster redirections
redis.redisClusterConfiguration.maxRedirects=3

```
如果遇到以下错误
```
ERROR o.s.boot.SpringApplication - Application startup failed    org.springframework.beans.factory.BeanCreationException: Error creating bean with name org.springframework.boot.autoconfigure.session.SessionAutoConfiguration$SessionRepositoryValidator': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: No session repository could be auto-configured, check your configuration (session store type is 'null')
```
就在application.properties加入
```
spring.session.store-type=redis
```

# 4.在Spring boot Application.java 中加入`@EnableRedisHttpSession`注解

```
@SpringBootApplication
@ImportResource("classpath:spring/spring-session-redis.xml")
@Slf4j
@EnableRedisHttpSession  //启用rediss session替代http session
public class Bootstrap{

public static void main(String[] args) {

SpringApplication.run(Bootstrap.class, args);
        log.info("application start success!");
    }
}

```

参考原文地址：http://feitianbenyue.iteye.com/blog/2330555

http://stackoverflow.com/questions/38194650/no-session-repository-could-be-auto-configured-check-your-configuration-sessio

http://blog.csdn.net/blueheart20/article/details/56677338

觉得不错，点个赞？

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