well you know. Basically username should be unique.
As for listing users. You can create a Stateless component to hold userlist and
Use interceptor to update list and timestamp each time some action is rendered
or page accesed.
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I have same problem. If I can to list login of all users connected to a JBoss
application, I can check and not allow the certain clients use the same account
to login.(Ex: A use usename aaa, but If B use username aaa --- he can't
login!).
have some ideas ?
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