windows10下git 2.10.22源码，配置到idea中，jdk21，maven3.9，修改各种配置后，能启动了，打印显示tomcat已经启动在8100端口上，并且mysql也连上了（表都已创建）。但浏览器访问报错不知为何，请教大神
以下是浏览器访问时页面提示：
Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.
Wed Apr 29 10:06:16 CST 2026
There was an unexpected error (type=Not Found, status=404).