我是靠谱客的博主 幸福咖啡，最近开发中收集的这篇文章主要介绍java.lang.ClassNotFoundException: redis.clients.jedis.util.SafeEncoder，觉得挺不错的，现在分享给大家，希望可以做个参考。
概述
使用的springboot版本为2.2.0.RELEASE
jedis版本2.9.0,报错:
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'redisHealthContributor' defined in class path resource [org/springframework/boot/actuate/autoconfigure/redis/RedisHealthContributorAutoConfiguration.class]: Unsatisfied dependency expressed through method 'redisHealthContributor' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'taskConnectionFactory' defined in class path resource [com/mr/web/config/RedisServiceConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.redis.connection.RedisConnectionFactory]: Factory method 'taskConnectionFactory' threw exception; nested exception is java.lang.NoClassDefFoundError: redis/clients/jedis/util/SafeEncoder
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:787)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:528)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1338)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.addCandidateEntry(DefaultListableBeanFactory.java:1503)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1467)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveMultipleBeans(DefaultListableBeanFactory.java:1386)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1245)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207)
at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:874)
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:778)
... 95 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'taskConnectionFactory' defined in class path resource [com/mr/web/config/RedisServiceConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.redis.connection.RedisConnectionFactory]: Factory method 'taskConnectionFactory' threw exception; nested exception is java.lang.NoClassDefFoundError: redis/clients/jedis/util/SafeEncoder
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:645)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:475)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1338)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.addCandidateEntry(DefaultListableBeanFactory.java:1503)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1467)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveMultipleBeans(DefaultListableBeanFactory.java:1386)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1245)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207)
at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:874)
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:778)
... 112 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.redis.connection.RedisConnectionFactory]: Factory method 'taskConnectionFactory' threw exception; nested exception is java.lang.NoClassDefFoundError: redis/clients/jedis/util/SafeEncoder
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:640)
... 129 common frames omitted
Caused by: java.lang.NoClassDefFoundError: redis/clients/jedis/util/SafeEncoder
at org.springframework.data.redis.connection.jedis.JedisConverters.lambda$static$1(JedisConverters.java:129)
at org.springframework.data.redis.connection.jedis.JedisConverters.toBytes(JedisConverters.java:344)
at org.springframework.data.redis.connection.jedis.JedisConverters.<clinit>(JedisConverters.java:136)
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.<clinit>(JedisConnectionFactory.java:85)
at com.mr.web.config.RedisServiceConfig.taskConnectionFactory(RedisServiceConfig.java:48)
at com.mr.web.config.RedisServiceConfig$$EnhancerBySpringCGLIB$$879aed86.CGLIB$taskConnectionFactory$1(<generated>)
at com.mr.web.config.RedisServiceConfig$$EnhancerBySpringCGLIB$$879aed86$$FastClassBySpringCGLIB$$d00e144b.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363)
at com.mr.web.config.RedisServiceConfig$$EnhancerBySpringCGLIB$$879aed86.taskConnectionFactory(<generated>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
... 130 common frames omitted
Caused by: java.lang.ClassNotFoundException: redis.clients.jedis.util.SafeEncoder
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 145 common frames omitted
Disconnected from the target VM, address: '127.0.0.1:55180', transport: 'socket'
使用的springboot-start-redis的时候,想自己生成RedisConnectionFactory,
@Configuration
public class RedisServiceConfig {
@Value("${redis.task.host}")
private String redisHost;
@Value("${redis.task.port}")
private int redisPort;
@Value("${redis.task.pass}")
private String redisPass;
@Value("${redis.task.db}")
private int redisDb;
@Value("${redis.task.config.timeout}")
private String timeout;
@Value("${redis.task.config.maxTotal}")
private int maxTotal;
@Value("${redis.task.config.maxIdle}")
private int maxIdle;
@Value("${redis.task.config.maxWaitMillis}")
private int maxWaitMillis;
@Value("${redis.task.config.minEvictableIdleTimeMillis}")
private String minEvictableIdleTimeMillis;
@Value("${redis.task.config.numTestsPerEvictionRun}")
private int numTestsPerEvictionRun;
@Value("${redis.task.config.timeBetweenEvictionRunsMillis}")
private String timeBetweenEvictionRunsMillis;
@Value("${redis.task.config.testOnBorrow}")
private Boolean testOnBorrow;
@Value("${redis.task.config.testWhileIdle}")
private Boolean testWhileIdle;
@Bean
@Primary
public RedisConnectionFactory taskConnectionFactory() {
JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
jedisPoolConfig.setMaxIdle(maxIdle);
jedisPoolConfig.setMaxTotal(maxTotal);
jedisPoolConfig.setMaxWaitMillis(maxWaitMillis);
jedisPoolConfig.setMinEvictableIdleTimeMillis(Integer.parseInt(minEvictableIdleTimeMillis));
jedisPoolConfig.setNumTestsPerEvictionRun(numTestsPerEvictionRun);
jedisPoolConfig.setTimeBetweenEvictionRunsMillis(Integer.parseInt(timeBetweenEvictionRunsMillis));
jedisPoolConfig.setTestOnBorrow(testOnBorrow);
jedisPoolConfig.setTestWhileIdle(testWhileIdle);
JedisConnectionFactory connectionFactory = new JedisConnectionFactory(jedisPoolConfig);
connectionFactory.setPort(redisPort);
connectionFactory.setHostName(redisHost);
connectionFactory.setDatabase(redisDb);
// connectionFactory.setPassword(redisPass);
//配置连接池属性
connectionFactory.setTimeout(Integer.parseInt(timeout));
return connectionFactory;
}
@Bean
public StringRedisTemplate taskRedisTemplate() {
StringRedisTemplate template = new StringRedisTemplate();
template.setConnectionFactory(taskConnectionFactory());
return template;
}
}
配置文件:
redis:
task:
host: 127.0.0.1
port: 6379
pass:
db: 2
config:
# 超时
timeout: 10000
# 控制一个pool可分配多少个jedis实例
maxTotal: 100
# 最大空闲数
maxIdle: 10
# 最大等待时间
maxWaitMillis: 100000
# 连接的最小空闲时间 默认1800000毫秒(30分钟)
minEvictableIdleTimeMillis: 300000
# 每次释放连接的最大数目,默认3
numTestsPerEvictionRun: 1024
# 逐出扫描的时间间隔(毫秒) 如果为负数,则不运行逐出线程, 默认-1
timeBetweenEvictionRunsMillis: 30000
# 是否在从池中取出连接前进行检验,如果检验失败,则从池中去除连接并尝试取出另一个
testOnBorrow: true
# 在空闲时检查有效性, 默认false
testWhileIdle: true
使用2.9.0版本一直报错,然后将版本升级到,就不报错了…
最后
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