java.lang.IllegalArgumentException: Document base *** does not exist or is not a

SEVERE: Error starting static Resources
java.lang.IllegalArgumentException: Document base XXX does not exist or is not a readable

error message: XXX does not exist or is read only.
I read a lot on the Internet, and most of the opinions given are to delete the files related to the project. What I provided was to correct the configuration file to make the project work properly.
Find under conf/catalina/localhost, there is a configuration file about XXX.xml, which configures your project path, modify and restart tomcat correctly.