SpringMVC出现错误-org.springframework.beans.factory.BeanCreationException

解决SpringMVC配置错误
本文解决了在配置SpringMVC时出现的启动错误问题。错误出现在尝试实例化IndexController时,原因是缺少log4j的jar包。问题通过将log4j的jar包放置到项目的lib目录中得以解决。

配置SpringMVC,在启动Tomcat时出错了:

1 org.springframework.beans.factory.BeanCreationException: 
2   Error creating bean with name 'indexController' defined in file 
3     [F:\apache-tomcat-7.0.79\webapps\smbms_c09\WEB-INF\classes\cn\smbms\controller\IndexController.class]:
4        Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: 
5           Could not instantiate bean class [cn.smbms.controller.IndexController]: Constructor threw exception;
6              nested exception is java.lang.NoClassDefFoundError: org/apache/log4j/Logger
7     org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1039)

 

  第一个想法就是我的log4j的jar包是不是没要导入,结果发现是已经导入了,百度了一下,都是在说是jar包的问题,后来发现我没有在web-inf文件夹下面的lib文件夹里面引入jar包,将log4j的jar包复制进去后,重新启动服务,发现已经没有问题了。

  虽然是由于粗心导致的问题,但还是记录一下 ,以防下次再次遇到类似的问题。

转载于:https://www.cnblogs.com/x-ym/p/9365901.html

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2025-05-28 16:12:00.864 ERROR 25056 --- [ main] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'requestMappingHandlerMapping' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]: Invocation of init method failed; nested exception is java.lang.IllegalStateException: Ambiguous mapping. Cannot map 'basicController' method com.example.demos.web.BasicController#getVoters() to {GET [/voters]}: There is already 'createElectionController' bean method com.example.controller.CreateElectionController#queryAllVoters() mapped. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:955) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) ~[spring-context-5.3.23.jar:5.3.23] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) ~[spring-context-5.3.23.jar:5.3.23] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.6.13.jar:2.6.13] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:745) [spring-boot-2.6.13.jar:2.6.13] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:420) [spring-boot-2.6.13.jar:2.6.13] at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) [spring-boot-2.6.13.jar:2.6.13] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1317) [spring-boot-2.6.13.jar:2.6.13] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1306) [spring-boot-2.6.13.jar:2.6.13] at com.example.BzApplication.main(BzApplication.java:10) [classes/:na] Caused by: java.lang.IllegalStateException: Ambiguous mapping. Cannot map 'basicController' method com.example.demos.web.BasicController#getVoters() to {GET [/voters]}: There is already 'createElectionController' bean method com.example.controller.CreateElectionController#queryAllVoters() mapped. at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping$MappingRegistry.validateMethodMapping(AbstractHandlerMethodMapping.java:669) ~[spring-webmvc-5.3.23.jar:5.3.23] at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping$MappingRegistry.register(AbstractHandlerMethodMapping.java:635) ~[spring-webmvc-5.3.23.jar:5.3.23] at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.registerHandlerMethod(AbstractHandlerMethodMapping.java:332) ~[spring-webmvc-5.3.23.jar:5.3.23] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.registerHandlerMethod(RequestMappingHandlerMapping.java:420) ~[spring-webmvc-5.3.23.jar:5.3.23] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.registerHandlerMethod(RequestMappingHandlerMapping.java:76) ~[spring-webmvc-5.3.23.jar:5.3.23] at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.lambda$detectHandlerMethods$2(AbstractHandlerMethodMapping.java:299) ~[spring-webmvc-5.3.23.jar:5.3.23] at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684) ~[na:1.8.0_311] at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.detectHandlerMethods(AbstractHandlerMethodMapping.java:297) ~[spring-webmvc-5.3.23.jar:5.3.23] at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.processCandidateBean(AbstractHandlerMethodMapping.java:266) ~[spring-webmvc-5.3.23.jar:5.3.23] at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.initHandlerMethods(AbstractHandlerMethodMapping.java:225) ~[spring-webmvc-5.3.23.jar:5.3.23] at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.afterPropertiesSet(AbstractHandlerMethodMapping.java:213) ~[spring-webmvc-5.3.23.jar:5.3.23] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.afterPropertiesSet(RequestMappingHandlerMapping.java:205) ~[spring-webmvc-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800) ~[spring-beans-5.3.23.jar:5.3.23] ... 16 common frames omitted 哪里的问题
最新发布
05-29
评论
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