java 连接云redis 报 Unable to configure Redis to keyspace notifications.

问题描述

spring 项目连接阿里云redis,同时依赖了spring-session,默认设置下,会抛如下异常

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'enableRedisKeyspaceNotificationsInitializer' defined in class path resource [org/springframework/session/data/redis/config/annotation/web/http/RedisHttpSessionConfiguration.class]: Invocation of init method failed; nested exception is java.lang.IllegalStateException: Unable to configure Redis to keyspace notifications. See http://docs.spring.io/spring-session/docs/current/reference/html5/#api-redisoperationssessionrepository-sessiondestroyedeventat org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1628)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:737)at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:370)at org.springframework.boot.SpringApplication.run(SpringApplication.java:314)at org.springframework.boot.SpringApplication.run(SpringApplication.java:1162)at org.springframework.boot.SpringApplication.run(SpringApplication.java:1151)at xin.ryven.CommunityApplication.main(CommunityApplication.java:26)
Caused by: java.lang.IllegalStateException: Unable to configure Redis to keyspace notifications. See http://docs.spring.io/spring-session/docs/current/reference/

原因分析：

因为阿里云的redis由于安全考虑禁用了config命令,spring-session模块又会通过代码修改redis 配置 notify-keyspace-events,所以导致代码在修改redis配置的时候抛异常

解决方案：

解决方案分为两步,

1. 我们帮spring-session来修改阿里云的 notify-keyspace-events
2. 关闭spring-session的代码设置配置的逻辑

设置阿里云的notify-keyspace-events参数如下,实力列表找到需要修改的实力.点击左侧参数设置,找到notify-keyspace-events 设为Egx

package xxx;import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.session.data.redis.config.ConfigureRedisAction;
import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;/*** @author xin*/
@Configuration
@EnableRedisHttpSession(maxInactiveIntervalInSeconds = 1800)
public class SessionConfig {/*** 此配置可以关闭代码设置redis config的逻辑* @return*/@Beanpublic static ConfigureRedisAction configureRedisAction() {return ConfigureRedisAction.NO_OP;}
}

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