Caused by: redis.clients.jedis.exceptions.JedisException: Could not get a resource from the pool

Caused by: redis.clients.jedis.exceptions.JedisException: Could not get a resource from the pool
	at redis.clients.util.Pool.getResource(Pool.java:51)
	at redis.clients.jedis.ShardedJedisPool.getResource(ShardedJedisPool.java:36)
	at com.xxl.sso.core.util.JedisUtil.getInstance(JedisUtil.java:105)
	at com.xxl.sso.core.util.JedisUtil.init(JedisUtil.java:33)
	at com.xxl.sso.server.config.XxlSsoConfig.afterPropertiesSet(XxlSsoConfig.java:25)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1689)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1627)
	... 16 common frames omitted

　　出现以上错误的原因有如下：

1、修改redis.conf文件

#修改为守护模式
daemonize no

#修改为守护模式
daemonize no

2、关闭防火墙或者防火墙运行6379端口

1.永久关闭防火墙
systemctl disable firewalld
2.查看防火墙状态
 systemctl status firewalld

3、重启还不生效则用一下命令重启

./redis-server --protected-mode no

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原文地址：https://www.cnblogs.com/chenyuanbo/p/12687608.html