requested resource not available JSP GLASHFISH

Hi guys
i m doing an EJB project on Library Management using NetBeans

Out of which the first Step create a "CREATE ACCOUNT" page & get all the details from User & store it in Database.
Using JSP for this.

Everything is created, but when i try to Click Submit button in WEbPAge, it gives an ERROR :

Quote

The <form> tag of create.jsp page :

<form id="form1" name="form1" method="post" action="<%=request.getContextPath()%>/Servlet/createAccountServlet">

The Name of the Servlet fIle is createAccountServlet.java