Not able to execute a batch file in JSP-Collection of common programming errors

I am trying to execute a batch file in a jsp which resides in the TOMCAT Server. jsp is in webapps/ROOT/test.jsp, batch file is also placed in the same location as webapps/ROOT/test.bat. Following is my JSP code:

On executing this jsp what I get is blank page. Kindly provide me a solution for this.