【报错】Error creating bean with name 'userController'

本文详细解析了Spring框架中依赖注入失败的问题,并给出了具体的解决方案。针对控制层无法找到业务层bean的情况,通过添加@Service和@Resource注解进行解决,并强调了在web.xml中加入ContextLoaderListener监听器的重要性。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

报错信息:
Error creating bean with name ‘userController’: Unsatisfied dependency expressed through field ‘userService’;
nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException:
No qualifying bean of type ‘com.boron.service.UserService’ available: expected at least 1 bean which qualifies as autowire candidate.
……

参照网上的资料,检查我的配置,发现

控制层调用业务层,在业务层我加了@Service注解:

@Service("userService");

控制层注入业务层也加了@Resource注解:

@Resource
private UserService userService;

最后发现我的web.XML没有加下面这段代码

 <!-- Spring监听器 -->  
    <listener>  
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  
    </listener> 
"Error creating bean with name 'userController' defined in file [J:\Code\2023-4\TestCache\target\classes\com\example\testcache\contrller\UserController.class]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'redisAutoInit' defined in class path resource [com/alicp/jetcache/autoconfigure/RedisAutoConfiguration.class]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: redis/clients/jedis/UnifiedJedis"这个误的发生是因为在使用jetcache 2.7.3版本时,缺少了redis.clients.jedis.UnifiedJedis类的定义。 为了解决这个问题,你可以加入如下配置: ``` <!--处理jedis的版本问题--> <dependency> <groupId>com.alicp.jetcache</groupId> <artifactId>jetcache-starter-redis</artifactId> <version>2.7.3</version> <exclusions> <exclusion> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>4.3.1</version> </dependency> ``` 通过添加这些配置,你将解决缺少UnifiedJedis类的问题,从而解决"Error creating bean"的误。<span class="em">1</span><span class="em">2</span><span class="em">3</span> #### 引用[.reference_title] - *1* *2* *3* [Error creating bean with name ‘redisAutoInit‘ defined in class path resource ...](https://blog.youkuaiyun.com/dghehe/article/details/130173740)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 100%"] [ .reference_list ]
评论 2
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值