Only one bean is allowed!!!! but how???

hi@all
i got a little problem, in my program, i want only ONE instance of backing bean to be generated, how to realize that?
I dont think this is a big and hard question, so give me some hints, i will really really appreciate it !!!
waiting, waiting, Zzzzzzzzzzzzzzzzzzzzz
db

thanks for ur reply.
actually i have already set the bean's scope to session, but there are still two different instances of my backing bean.
Just now i found the reason. I have two JSP pages, one is login page, the other is show table page. In login page i use show a property of the so called "globalbean", so i think at that time the first instance of "globalbean" is generated. and then, inside show page page, i use jsp script to generate a new instance of "globalbean" in order to use a method of "globalbean", therefore there exist two instances of "globalbean".
And one of them has incomplete initialization, so in phase 6, the properties returned to the show table page is not right.
How to solve it? thanks in advance!

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