jruby on rails with warbler and tomcat and windows

I tried to deploy an application.war file into webapps/ in the tomcat folder and started up the server. When i try to open http://localhost:8080/relConnections it shows on the screen that "something went wrong". I deleted the common index.html in the public folder in usual rails apps and tchanged the root to my home page. When i see the log file it says the following: "An exception happened during