Small dot _java project in Project a JSP page report 404

1. Place the project folder directly under the WebApps path of the Tomcat server

2. Copy one item from one Tomcat server WebApps to another Tomcat server under WebApps path

3. After restarting Tomcat, visit the project on the new Saba and discover that one of the JSP pages is reported 404, and the other pages under the same path are accessible

4. Found the project under Tomcat's work path, and found that the JSP page did not generate a corresponding. class file, so 404

5. Re-deploy the project and restart the server

6. Generate the corresponding. class file, normal access

Small dot _java project in Project a JSP page report 404