i have two web application deployed on jboss 7.1.2.Final. user with specific roles can access these applications .

• when i access these application ,a login BASIC authentication pop-up asks for user name and password.these two application need two diffrent user with diffrent roles.
• then i access these two application in different tab of browser , both of these prompt for user name and password.
• when i enter the user name and password for one , the other fails saying "Access to the requested resource has been denied"

please advice as to what should i change to make the secong application to ask for user name password again?