Restrict multiple log in with same user ID

Question

I have a JSF Project where I use Oracle JAAS for Login.
The login works perfectly and also the components on the JSF page shows as per User Role. I am using OAS 10.1.3.3.
I want to now implement the code so as to restrict simultaneous logins with the same user id. That is a user id cannot be looged in at once to the server from more than one machine.
The login.html is:
<form  name="loginFrm" method="post" action="j_security_check">
      <p>Log in to access restricted zone.</p>
      <table>
       <tr>
        <td>User name</td>
        <td>
         <input id="j_username" type="text" name="j_username"/>
        </td>
       </tr>
       <tr>
        <td>Password</td>
        <td>
         <input type="password" name="j_password"/>
        </td>
       </tr>
       <tr>
        <td> </td>
        <td>
         <input type="submit" value="Login" onclick="document.body.style.cursor='wait';"/>
        </td>
       </tr>
      </table>
     </form>The securityconfig int he web.xml file is:
<login-config>
      <auth-method>FORM</auth-method>
      <realm-name>jazn.com</realm-name>
      <form-login-config>
         <form-login-page>/login.html</form-login-page>
         <form-error-page>/loginError.html</form-error-page>
      </form-login-config>
    </login-config>
    <security-role>
      <role-name>ADMINISTRATOR</role-name>
    </security-role>   
    <security-role>
      <role-name>MANAGER</role-name>
    </security-role>
    <security-role>
      <role-name>INSURER</role-name>
    </security-role>
    <security-role>
      <role-name>TRACKER</role-name>
    </security-role>
    <security-role>
      <role-name>INSURER_MANAGER</role-name>
    </security-role>

Answer 1

Then I would say it is not possible:  Restrict multiple login in SAP Business Objects 4.0 SP6 for single user
multiple login disable in BO | SCN