Idea creates a servlet and accesses the 404 message

Problem description ： According to the information on the Internet idea and tomcat It's all configured , After starting the server, you can also connect to the specified address , But the link is not written by myself Servlet

Has been submitted to the 404 problem

Final solution ：

First step ：

The second step ：

The third step ： This step is where the problem is solved , It's in the picture below 3 The location of That name should be the same as the project name

My project name map ：

Then restart the service , Input servlet Corresponding address , Successful visit ！ Oh yeah , This problem has troubled me for nearly 1 God

After testing Use web.xml and The annotation method works well , Here are screenshots of two methods

Finally, I hope I can help you solve the problem .