When invoke the jsp using http://localhost/xyz/pages/UserGroupMaster.jsp
URL and when i submit the page trhu submit button the URL gets changed to following will anybody tell me why? and what is ".do" stands for? where do we make the entry of this.? is it the action mapping we are using in struts -config.xml file ? <action path="/usergroupmaster" type="ActionUserGroupMaster" name="UserGroupMasterActionForm" scope="request" validate="false" input="/pages/UserGroupMaster.jsp" parameter="action"> <forward name="success" path="/pages/success.jsp"/> <forward name="failure" path="/pages/failure.jsp"/> <forward name="usergroupmaster" path="/pages/UserGroupMaster.jsp"/> </action> http://localhost/xyz/usergroupmaster.do