Nginx + jsp404 error method

Today, an Nginx + jsp server site encounters a 404 error. 1. check that the configuration is correct. 2. the static page can be accessed, 404 error is reported when you access the jsp page. 3. no problems are found in the Nginx error log. 4. check the resin log. the system prompts that the memory is insufficient. restart the resin service. The fault persists. restart the server for troubleshooting. Today, an Nginx + jsp server site is accessed with a 404 error.
1. check that the configuration is correct.
2. if the static page is accessible, the error 404 is returned when the jsp page is accessed.
3. check the Nginx error log for No problems found
4. check the resin log and find that the memory is insufficient.

The resin service is restarted and troubleshooting is still the case.