Article:
  Creating a Web Application with Ant and Tomcat 4
Subject:   app won't run
Date:   2003-12-09 21:16:14
From:   anonymous2
Response to: app won't run

I had the same problem. Solved by copying contents of context.xml and pasting into server.xml after the <context> entry for examples. Don't know if later versions of Tomcat not reading context.xml or if the file name needs to be <app-name>.xml or in the web app root dir.