springboot整合redis后出现：Unsatisfieddependencyexp。。。异常:
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'redisController':
Unsatisfied dependency expressed through field 'redisTemplate';
nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException:
Error creating bean with name 'redisTemplate' defined in class path resource
[org/springframework/boot/autoconfigure/data/redis/RedisAutoConfiguration.class]:
Unsatisfied dependency expressed through method 'redisTemplate' parameter 0;
nested exception is org.springframework.beans.factory.BeanCreationException:
Error creating bean with name 'redisConnectionFactory' defined in class path resource
[org/springframework/boot/autoconfigure/data/redis/LettuceConnectionConfiguration.class]:
Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException:
Failed to instantiate [org.tion.lettuce.LettuceConnectionFactory]:
Factory method 'redisConnectionFactory' threw exception; nested exception is java.lang.NoClassDefFoundError: org/apache/commons/pool2/impl/GenericObjectPoolConfig
解决⽅案:
因为springboot2.x以后⽤得是lettuce，添加连接池依赖
<!-- lettuce pool -->
<dependency>
<groupId>org.apachemons</groupId>
springframework依赖<artifactId>commons-pool2</artifactId>
</dependency>

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