Tomcat error while running spring mvc web application on intelliJ 14

I recently setup spring MVC on intelliJ but whenever i run the project using tomcat server.. it gives this following error..

Error running Tomcat 8.0.171: Cannot run program "/Library/Tomcat/bin/catalina.sh" (in directory "/Library/Tomcat/bin"): error=13, Permission denied

It seems like permission issue.

Please help me

thanks in advance..