Changing Tomcat context path of web project in Eclipse

1. In project properties click on Web Project Settings (assuming you are in a dynamic web project.) The only configuration value there is "Context root:"
2. change "Context root" to /app
3. rebuild
4. remove the project from tomcat
5. redeploy.

Step 1: In the project properties, click on Web Project Settings. The only configuration value there is "Context root:"

Step 2: change "Context root" to /app.

Step 3: Clean the tomcat server.

Step 4: Click Ok button on the dialogue Box.

Step 5: Click Yes on the next dialogue Box.

Step 6: Rebuild your project.