How to turn it on?

In the configuration file, set debug=true.

There will be an intelligent prompt as you type.

If the startup succeeds, debug logs are generated

A debug log is printed. What information is added to the log?

  1. What are springBoot automatic configurations?
  2. Which servlets request mappings?
  3. What interceptors are there?

What automatic configuration does SpringBoot have?

Servlet request mapping

The interceptor

reference