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How to use code for LoginForm

 
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Hello Guys,
I am doing one Container managed Entity bean in which i will check wheather it is valid user or not.
But now I want to restrict the userlogin to one person only. ie- if someone tries with same name login while the same person is logged in, the other person should not allowed to login.
& alsoif while login m/c shuts down suddenly, user should allow to get login.
I have thought it through CMEB, but i didnot got any clue. But if i use Stateful Session Bean, then how i should mix it together.
can anybody tell me ? please..

Thank You
 
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Hi Kapil,
I think your problem is akin to this one.
I hope you get some pointers
Ex Animo Java!
-- Val
 
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