java.lang.IllegalStateException: Ambiguous mapping. Cannot map 'helloController2' method public ja

 java.lang.IllegalStateException: Ambiguous mapping. Cannot map 'helloController2' method 
public java.lang.String com.shiyaxin.springboot.controller.HelloController2.test()
to {GET /hello/show}: There is already 'helloController' bean method
public java.lang.String com.shiyaxin.springboot.controller.HelloController.test() mapped.

. lang。IllegalStateException:模糊映射。无法映射“helloController2”方法
公共. lang。字符串com.shiyaxin.springboot.controller.HelloController2.test ()
to {GET /hello/show}:已经有了'helloController' bean方法
公共. lang。字符串com.shiyaxin.springboot.controller.HelloController.test()映射。

错误原因是:(模糊映射，spring也识别不了去哪个里)
两个controller的名字都是hello/show
解决办法:
给其中一个controller重名的请求路径换个名字