404 error after successfully run the project

When i migrated my project from cuba 6.10 to cuba 7.0.1 ,it will run successfully but i can’t get the output screen…when i clicked on the http://localhost:8080/app it will display page can’t find error.
Can you help me to fix this.

Thank you…!


Check your deploy/tomcat/logs/app.log, it should contain an error on server start-up.

:+1: Yes, i go it. Thankl you so much…