Redis链接出错_factory method 'redissonclient' threw exception; n

报错信息如下：
 
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'indexController': Unsatisfied dependency expressed through field 'redissonClient'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'redissonClient' defined in class path resource [com/msb/mall/product/config/MyRedisConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.redisson.api.RedissonClient]: Factory method 'redissonClient' threw exception; nested exception is org.redisson.client.RedisConnectionException: Unable to connect to Redis server: 123.249.42.192/123.249.42.192:6379
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:659) ~[spring-beans-5.3.12.jar:5.3.12]
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:639) ~[spring-beans-5.3.12.jar:5.3.12]
	at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119) ~[spring-beans-5.3.12.jar:5.3.12]
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399) ~[spring-beans-5.3.12.jar:5.3.12]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1431) ~[spring-beans-5.3.12.jar:5.3.12]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:619) ~[spring-beans-5.3.12.jar:5.3.12]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.12.jar:5.3.12]
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.12.jar:5.3.12]
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.12.jar:5.3.12]
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.12.jar:5.3.12]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.12.jar:5.3.12]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:944) ~[spring-beans-5.3.12.jar:5.3.12]
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) ~[spring-context-5.3.12.jar:5.3.12]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) ~[spring-context-5.3.12.jar:5.3.12]
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:144) ~[spring-boot-2.4.12.jar:2.4.12]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:771) [spring-boot-2.4.12.jar:2.4.12]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:763) [spring-boot-2.4.12.jar:2.4.12]
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:438) [spring-boot-2.4.12.jar:2.4.12]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:339) [spring-boot-2.4.12.jar:2.4.12]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1329) [spring-boot-2.4.12.jar:2.4.12]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1318) [spring-boot-2.4.12.jar:2.4.12]
	at com.msb.mall.product.MallProductApplication.main(MallProductApplication.java:21) [classes/:na]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_321]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_321]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_321]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_321]
	at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) [spring-boot-devtools-2.4.12.jar:2.4.12]
Caused by:

解决办法：

修改redis配置文件：

#bind 127.0.0.1
将这一行注释掉，如果开启，那是指定访问redis的ip，我们要使用客户端连接，所以注释掉。
 
 
protected-mode no
这是关闭保护模式，默认是yes,要修改成no

还有可能是防火墙的问题

systemctl stop firewall

然后重启redis，连接redis