org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'usersService' is defined
严重: Exception starting filter AuthFilter
org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'usersService' is defined
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanDefinition(DefaultListableBeanFactory.java:638)
at org.springframework.beans.factory.support.AbstractBeanFactory.getMergedLocalBeanDefinition(AbstractBeanFactory.java:1159)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:282)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:973)
at com.wanyu.frame.base.AuthFilter.init(<

本文讨论了Spring框架中遇到的NoSuchBeanDefinitionException异常,该异常表明无法找到名为'usersService'的bean。错误原因可能包括bean名称错误、缺少注解等。解决方案包括检查bean名称和确保相关类已正确注解。同时提醒,在尝试获取bean时,直接的null判断可能会导致异常,建议使用异常处理机制。
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