Unable to connect to Redis server: 127.0.0.1/127.0.0.1:6379

org.springframework.data.redis.connection.RedisConnectionFailureException: 
Unable to connect to Redis server: 127.0.0.1/127.0.0.1:6379

Caused by: org.springframework.data.redis.connection.PoolException: 
Could not get a resource from the pool; 
nested exception is io.lettuce.core.RedisConnectionException: 
Unable to connect to 127.0.0.1:6379

spring:
  redis:
    host: 127.0.0.1
    port: 6379
    password: password
    lettuce:
      pool:
        max-active: 8
        max-idle: 8
        min-idle: 0
        max-wait: 1s

org.springframework.beans.factory.BeanCreationException: 
Error creating bean with name 'redisConnectionFactory' defined in class path resource 
[org/springframework/boot/autoconfigure/data/redis/RedisAutoConfiguration.class]: 
Cannot create a Redis connection factory for the given configuration.

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>

Caused by: java.lang.NoClassDefFoundError: org.springframework.data.redis.connection.RedisConnectionFactory

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
    <groupId>redis.clients</groupId>
    <artifactId>jedis</artifactId>
    <version>4.3.1</version> <!-- 與Spring Boot版本匹配 -->
</dependency>

ERR This instance has cluster support disabled

spring:
  redis:
    host: 127.0.0.1
    port: 6379

org.springframework.data.redis.connection.PoolException: 
Could not get a resource from the pool; 
nested exception is io.lettuce.core.RedisConnectionException: 
ERR Client sent AUTH, but no password is set

requirepass your_password

org.springframework.data.redis.connection.RedisConnectionFailureException: 
Unable to connect to Redis server: 127.0.0.1/127.0.0.1:6379

# CentOS
firewall-cmd --zone=public --add-port=6379/tcp --permanent
firewall-cmd --reload

org.springframework.data.redis.connection.PoolException: 
Could not get a resource from the pool; 
nested exception is io.lettuce.core.RedisConnectionException: 
Unable to connect to XXX.XXX.XXX:6379

spring:
  redis:
    lettuce:
      pool:
        max-active: 8
        max-idle: 8
        min-idle: 0
        max-wait: 1s

Correct the classpath of your application so that it contains a single, compatible version of org.springframework.data.repository.config.RepositoryConfigurationSource

org.springframework.data.redis.connection.RedisConnectionFailureException: 
Unable to connect to Redis server: 127.0.0.1/127.0.0.1:6379

# 檢查端口占用
netstat -anp | grep 6379

# 結(jié)束占用進(jìn)程
kill -9 <PID>