H:selectOneListbox control of defaults.

It should be said up front, I am a newbie in JSF.
I have two selectOneListBox on two different pages:
<h:selectOneListbox id="pickSVP2" immediate="true" value="#{ConfigurationBean.currentSvp}" size="1">
<a4j:support event="onchange" ajaxSingle="true" actionListener="#{ConfigurationBean.agentChanged}" reRender="pickSVP2,componentInfo" />
<f:selectItems value="#{SVPBean.sig}" />
</h:selectOneListbox>
Both of them are the same except for the id's are different. On changes all is as expected the backing beans update. But when I change pages I get a different value or the previous value in the first control.
I know I am using this control wrong, what I want is to force the second copy of the control to the value of the first on change.

Thanks for the help Balu. The problem is all my option values and labels are strings only. They were binded to a string in the backend. Unless until I select an option, this error would shown. it mean that it is getting error when I dont select any of the option, which causing a NULL submit and converter exception. hmm. how do I make this select one has atleast one option selected everytime?
This problem doesnt come with SelectManyListBox, since by default multiselect is having atleast one option select at loading time.

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* Author: Abdul Qabiz ([email protected])
* Date: June 16, 2006
* Version: 0.1
* Copyright (c) 2006 Abdul Qabiz (
http://www.abdulqabiz.com)
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