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404 problem in idea configuration servlet solution

2022-04-21 07:42:00 【1ceberg9】

Record a place that bothered me all day ....
A new project has been opened , The storage path is not the original path of other projects , Here's the problem .

I am here jsp Use... In the page ajax towards servlet Submit a request , There is no problem with the path of sending and receiving , use xml And annotation have been tried many times , And set up lib In the case of a project library , Still submit to the browser servlet appear 404.

Later, it was found that the whole project class Bytecode generation fails or cannot be compiled accurately .
Insert picture description here Here is my question , If you want to see the complete deployment, please move https://blog.csdn.net/qq_41366629/article/details/89340440