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异常java.lang.IllegalStateException: Ambiguous mapping. Cannot map 'xxx' method

程序员文章站 2022-03-08 15:51:11
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目录

1、异常信息

2、异常原因

3、解决办法


1、异常信息

在运行Springboot项目时,出现了如下异常信息:模糊映射。无法映射的xxx方法异常信息如下:

Caused by: java.lang.IllegalStateException: Ambiguous mapping. Cannot map 'tacticsInfoController' method 
public com.soft.framework.core.response.PageResult<?> com.soft.back.operation.controller.openplatform.TacticsInfoController.getOutdevModelList(java.lang.Integer)
to {GET /tactics/getOutdevFactoryList}: There is already 'tacticsInfoController' bean method
public com.soft.framework.core.response.PageResult<?> com.soft.back.operation.controller.openplatform.TacticsInfoController.getOutdevFactoryList(java.lang.String) mapped.
	at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping$MappingRegistry.assertUniqueMethodMapping(AbstractHandlerMethodMapping.java:618)
	at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping$MappingRegistry.register(AbstractHandlerMethodMapping.java:586)
	at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.registerHandlerMethod(AbstractHandlerMethodMapping.java:312)
	at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.lambda$detectHandlerMethods$1(AbstractHandlerMethodMapping.java:282)
	at java.util.LinkedHashMap.forEach(LinkedHashMap.java:676)
	at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.detectHandlerMethods(AbstractHandlerMethodMapping.java:280)
	at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.processCandidateBean(AbstractHandlerMethodMapping.java:252)
	at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.initHandlerMethods(AbstractHandlerMethodMapping.java:211)
	at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.afterPropertiesSet(AbstractHandlerMethodMapping.java:199)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.afterPropertiesSet(RequestMappingHandlerMapping.java:164)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1821)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1758)
	... 50 common frames omitted

2、异常原因

控制层同一请求映射到两个方法,即controller层的方法指定了两个相同的路径,也就是说同一个项目中有两个@RequestMapping("/xxx")完全相同,就会报此错误信息

3、解决办法

两个相同的@RequestMapping("/xxxx/xxxx")改为不同的请求路径,查看报错地方,找出同一请求映射到两个方法的请求路径,修改后即可!