https://maxrohde.com/2011/04/27/large-war-file-cannot-be-deployed-in-tomcat-7/
- Go to the web.xml of the manager application (for instance it could be under /tomcat7/webapps/manager/WEB-INF/web.xml.
- Increase the max-file-size and max-request-size:
https://maxrohde.com/2011/04/27/large-war-file-cannot-be-deployed-in-tomcat-7/