Article From:https://www.cnblogs.com/chenmingjun/p/9971636.html

Two mappings with the same name appear, which will result in the following error:

  

Reason:

  

Resolvent:

  When an Ambiguous Mapping exception occurs, the same request path is found and mapped to two methods, and modification is sufficient. Make a distinction between the two methods. Note: Modify the request path on the corresponding JSP at the same time.

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