请教大家,Eclipse+struts问题?

MyEclipse写了个简单的Struts,但是部署成功了以后,启动tomcat后
http://127.0.0.1:8080/TestStruts/userLogin.jsp
出错了,什么原因?
HTTP Status 404 - /TestStruts/userLogin.jsp--------------------------------------------------------------------------------type Status reportmessage /TestStruts/userLogin.jspdescription The requested resource (/TestStruts/userLogin.jsp) is not available.
--------------------------------------------------------------------------------Apache Tomcat/5.0.28