its abt form based authentication
<login-config>
<auth-method>FORM</auth-method>
<realm-name>realname</realm-name>
<form-login-config>
form-login-page>/WebContent/login.jsp</form-login-page>
<form-error-page>/WebContent/error.jsp</form-error-page>
</form-login-config>
</login-config>
<security-role>
<role-name>admin</role-name>
</security-role>
<security-role>
<role-name>user</role-name>
</security-role>
When i typed the above codings. iam getting the erroe
The Requested Resource /j_security_check is not available

