springboot启动报错,Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.

报错: 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.

2019-06-18 08:39:28.643 ERROR 23200 --- [           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 'userContorller' method

public java.lang.String com.yisizhu.yisizhusystem.contorller.UserContorller.unfreezeUserById(java.lang.String)

to { /user/freezeUserById}: There is already 'userContorller' bean method

public java.lang.String com.yisizhu.yisizhusystem.contorller.UserContorller.freezeUserById(java.lang.String) mapped.

       at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1778) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:843) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) ~[spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]

       at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]

       at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]

       at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]

       at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]

       at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]

       at com.yisizhu.yisizhusystem.YisizhusystemApplication.main(YisizhusystemApplication.java:10) [classes/:na]

Caused by: java.lang.IllegalStateException: Ambiguous mapping. Cannot map 'userContorller' method

public java.lang.String com.yisizhu.yisizhusystem.contorller.UserContorller.unfreezeUserById(java.lang.String)

to { /user/freezeUserById}: There is already 'userContorller' bean method

public java.lang.String com.yisizhu.yisizhusystem.contorller.UserContorller.freezeUserById(java.lang.String) mapped.

       at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping$MappingRegistry.assertUniqueMethodMapping(AbstractHandlerMethodMapping.java:618) ~[spring-webmvc-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping$MappingRegistry.register(AbstractHandlerMethodMapping.java:586) ~[spring-webmvc-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.registerHandlerMethod(AbstractHandlerMethodMapping.java:312) ~[spring-webmvc-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.lambda$detectHandlerMethods$1(AbstractHandlerMethodMapping.java:282) ~[spring-webmvc-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684) ~[na:1.8.0_191]

       at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.detectHandlerMethods(AbstractHandlerMethodMapping.java:280) ~[spring-webmvc-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.processCandidateBean(AbstractHandlerMethodMapping.java:252) ~[spring-webmvc-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.initHandlerMethods(AbstractHandlerMethodMapping.java:211) ~[spring-webmvc-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.afterPropertiesSet(AbstractHandlerMethodMapping.java:199) ~[spring-webmvc-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.afterPropertiesSet(RequestMappingHandlerMapping.java:164) ~[spring-webmvc-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1837) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1774) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

       ... 16 common frames omitted

 

Process finished with exit code 1

最近在研究springboot, 昨晚写到一半后保存睡觉, 今早一运行报错. 在网上搜索大多数是说配置文件问题, 或者是配置文件的位置问题. 笔者发现在自己的工程中并没有这些问题, 于是又对前一天写的内容进行了一次排查. 

发现, 原来是在最后copy了一段代码, 没有改完@RequestMapping("XXX")路径名重复所以报错 -_-! , 修改@RequestMapping("XXX")后正常运行.

出现这么尴尬的错误还真是我粗心的错, 希望对大家有所帮助, 并引以为戒.

第一篇博文, 不太成熟还请见谅 ! ! !