Hi Welcome to Javaranch
partha malik wrote:http://localhost:8080/ in browser it gives error HTTP Status 404 .
There can be many reasons why this happens.
Your
Tomcat server is not listening on port 8080.
Your server is down, it has not started.
Your firewall is blocking port 8080,etc
partha malik wrote:when i m creating new servlet in eclipse it shows error as "cant resolve httpservlet","cant resolve httpservletrequest"
This is because you have not added the Tomcat libraries to Eclipse.
partha malik wrote:and i dont have administrative access on the system
That might put limitations on the Tomcat installation/configuration.