springboot集成redis报错-ClassNotFoundException：or。。。
当使⽤Springboot 2.0以上版本集成redis的时候遇到报错信息如下：
Application run failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'redisController': Unsatisfied dependency expressed through field
'redisService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'redisService': 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/re
dis/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 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:596) ~ [spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1411) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.ateBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE] at org.springframework.beans.factory.Singleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.Bean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:845) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at t.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) ~[spring-context-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at t.fresh(AbstractApplicationContext.java:549) ~[spring-context-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.boot.fresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-
2.1.7.RELEASE.jar:2.1.7.RELEASE]
at org.springframework.fresh(SpringApplication.java:743) [spring-boot-2.1.7.RELEASE.jar:2.1.7.RELEASE]
at org.springframework.freshContext(SpringApplication.java:390) [spring-boot-2.1.7.RELEASE.jar:2.1.7.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) [spring-boot-2.1.7.RELEASE.jar:2.1.7.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1214) [spring-boot-2.1.7.RELEASE.jar:2.1.7.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1203) [spring-boot-2.1.7.RELEASE.jar:2.1.7.RELEASE]
at com.chm.springbootRedis.SpringbootRedisApplication.main(SpringbootRedisApplication.java:10) [classes/:na]
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'redisService': 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
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:596) ~ [spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1411) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.ateBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE] at org.springframework.beans.factory.Singleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.Bean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.solveCandidate(DependencyDescriptor.java:277) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1251) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.solveDependency(Default
ListableBeanFactory.java:1171) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:593) ~ [spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
... 19 common frames omitted
Caused by: 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
at org.springframework.beans.factory.ateArgumentArray(ConstructorResolver.java:769) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE] at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:509) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1321) ~ [spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.ateBeanInstan
ce(AbstractAutowireCapableBeanFactory.java:1160) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.ateBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.Singleton(DefaultSingl
etonBeanRegistry.java:222) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.Bean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.solveCandidate(DependencyDescriptor.java:277) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1251) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.solveDependency(DefaultListableBeanFactory.java:1171) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:593) ~
[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
... 32 common frames omitted
Caused by: 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
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:627) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:607) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1321) ~
[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.ateBeanInstance(AbstractAutowireCapableBeanFactory.java:1160) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.ateBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.Singleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.Bean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.solveCandidate(DependencyDe
scriptor.java:277) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1251) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.solveDependency(DefaultListableBeanFactory.java:1171) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.solveAutowiredArgument(ConstructorResolver.java:857) ~[spring-beans-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.ateArgumentArray(ConstructorResolver.java:760) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
... 45 common frames omitted
Caused by: 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
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:622) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
.
.. 59 common frames omitted
Caused by: java.lang.NoClassDefFoundError: org/apache/commons/pool2/impl/GenericObjectPoolConfig
at org.tion.lettuce.LettucePoolingClientConfiguration$LettucePoolingClientConfigurationBuilder.<init> (LettucePoolingClientConfiguration.java:91) ~[spring-data-redis-2.1.10.RELEASE.jar:2.1.10.RELEASE]
at org.tion.lettuce.LettucePoolingClientConfiguration.builder(LettucePoolingClientConfiguration.java:50) ~[spring-data-redis-
2.1.10.RELEASE.jar:2.1.10.RELEASE]
at org.springframework.boot.dis.ateBuilder(LettuceConnectionConfiguration.java:141) ~[spring-
boot-autoconfigure-2.1.7.RELEASE.jar:2.1.7.RELEASE]
at org.springframework.boot.ateBuilder(LettuceConnectionConfiguration.java:104) ~[spring-boot-autoconfigure-
2.1.7.RELEASE.jar:2.1.7.RELEASE]
at org.springframework.boot.LettuceClientConfiguration(LettuceConnectionConfiguration.java:90) ~[spring-boot-autoconfigure-2.1.7.RELEASE.jar:2.1.7.RELEASE]
at org.springframework.boot.disConnectionFactory(LettuceConnectionConfiguration.java:74) ~[spring-boot-
autoconfigure-2.1.7.RELEASE.jar:2.1.7.RELEASE]
at org.springframework.boot.dis.LettuceConnectionConfiguration$$EnhancerBySpringCGLIB$$b070fd4c.CGLIB$redisConnectionFactory$0(<generated>)
spring framework版本~[spring-boot-autoconfigure-2.1.7.RELEASE.jar:2.1.7.RELEASE]
at
org.springframework.boot.dis.LettuceConnectionConfiguration$$EnhancerBySpringCGLIB$$b070fd4c$$FastClassBySpringCGLIB$$271c8d68.invoke(<generated>) ~[spring-boot-autoconfigure-2.1.7.RELEASE.jar:2.1.7.RELEASE]
at lib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) ~[spring-core-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at t.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363) ~[spring-context-
5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.boot.dis.LettuceConnectionConfiguration$$EnhancerBySpringCGLIB$$disConnectionFactory(<generated>) ~[spring-
boot-autoconfigure-2.1.7.RELEASE.jar:2.1.7.RELEASE]
flect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_211]
flect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_211]
flect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_211]
at flect.Method.invoke(Method.java:498) ~[na:1.8.0_211]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
... 60 common frames omitted
Caused by: java.lang.ClassNotFoundException: org.apachemons.pool2.impl.GenericObjectPoolConfig
at java.URLClassLoader.findClass(URLClassLoader.java:382) ~[na:1.8.0_211]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_211]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) ~[na:1.8.0_211]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_211]
... 76 common frames omitted
看提⽰信息是GenericObjectPoolConfig类⽆法到。
查看github：
特别介绍下在2.x版本中，默认是使⽤lettuce；1.x版本的时候，默认使⽤的就是Jedis；关于两个的区别：
Jedis和Lettuce都是Redis Client
Jedis 是直连模式，在多个线程间共享⼀个 Jedis 实例时是线程不安全的。
如果想要在多线程环境下使⽤ Jedis，需要使⽤连接池。
每个线程都去拿Jedis 实例，当连接数量增多时，物理连接成本就较⾼了。
Lettuce 是基于 netty 的，netty 是⼀个多线程、事件驱动的 I/O 框架，连接实例可以在多个线程间共享，通过异步的⽅式可以让我们更好的利⽤系统资源，⽽不⽤浪费线程等待⽹络或磁盘I/O。
可以在pom⽂件加上依赖：
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.6.2</version>
</dependency>
或者：
<dependency>
<groupId>org.apachemons</groupId>
<artifactId>commons-pool2</artifactId>
<version>2.6.2</version>
</dependency>
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