Without using maven, to run the app on tomcat from the Intellij IDE, all you have to do is create an artifact and a \"tomcat\" run configuration pointing to that artifact, this
In pom.xml add
pom.xml
org.apache.tomcat.maven tomcat7-maven-plugin 2.2 UTF-8 /your-path true
In IntelliJ, open Menu > View > Tool Windows > Maven Projects
Plugins > tomcat7 > tomcat7:run