title: javax.servlet.ServletException: No credentials are available for this uiModule
body: <p>when I try to call this piece of code,    <code>RoutingUIM.gotoNavpoint(uh, navpoint)</code>,<br> it gives me the error <code>javax.servlet.ServletException: No credentials are available for this uiModule</code>.<br> What are the possible conditions why this error occured? thanks</p>