For more information, refer to the Portlet Container 2.1 article, Understanding the Portlet Container 2.1 Software.
The user name and password values used to log into the Sun Java System Application Server 9.1 software are the same values used to log into the Portlet Container 2.1 software.
Description: You may encounter the message "Wait...portlet webapp is being deployed." in the Portlet Window when you click on the Portlets tab after deploying a portlet in the Admin tab.
Workaround: Wait for several seconds as the Application Server may still be deploying the portlet application, and then refresh the web browser.