ajax keep alive component doestn work

[btl_ayd]

Hi about this issue I saw some post on this form but all post are without answered.So I hope can somebody answer me.
My problem that when I use the keep alive componenent on my application I have that error.

javax.servlet.ServletException: /Giris.jsp(216,3) According to TLD or attribute directive in tag file, attribute beanName does not accept any expressions
javax.faces.webapp.FacesServlet.service(FacesServlet.java:152)
org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:154)
org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:260)
org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:366)
org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:493)
org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:694)
org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:665)
org.apache.jsp.index_jsp._jspService(index_jsp.java:83)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:806)

here is my tag code

<rich:modalPanel id="email" autosized="true" left="100" top="100">
<f:facet name="header"><h:outputText value="Musteri Listesi"></h:outputText> </f:facet>
<a4j:form>
<a4j:region renderRegionOnly="true">
<rich:dataTable rowKeyVar="index" id="tabloMus" rows="2" value="#{SpectBilgileri.musteriTablo}" styleClass="table1" footerClass="foot" headerClass="theader1" rowClasses="row1,row2" var="satir" width="100%" onRowMouseOver="this.style.backgroundColor='#FBF7E6'" onRowMouseOut="this.style.backgroundColor=''">
<f:facet name="header"> <rich:datascroller fastStep="2" stepControls="show" ajaxSingle="false" id="d" maxPages="20" renderIfSinglePage="false" for="tabloMus" align="center" boundaryControls="show" fastControls="show"> </rich:datascroller>
</f:facet>
<rich:column sortBy="#{satir.musNo}" filterBy="#{satir.musNo}" filterEvent="onkeyup" style="width: 60px;">
<f:facet name="header"><h:outputText value="Musteri No"></h:outputText></f:facet>
<h:outputText value="#{satir.musNo}" styleClass="cell"></h:outputText>
</rich:column>
<rich:column sortBy="#{satir.musAd}" filterBy="#{satir.musAd}" filterEvent="onkeyup" style="width: 60px;">
<f:facet name="header"><h:outputText value="Musteri Adı"></h:outputText></f:facet>
<h:outputText value="#{satir.musAd}" styleClass="cell" ></h:outputText>
</rich:column>
<rich:column style="width: 20px;">
<f:facet name="header"></f:facet>
<h:selectBooleanCheckbox value="#{satir.mailSec}"></h:selectBooleanCheckbox>
</rich:column>
</rich:dataTable>
<h:panelGrid columns="2" styleClass="margin-top: 20px; margin-bottom: 20px; margin-left: 60px">

<a4j:commandButton value="Gönder" styleClass="button" reRender="tabloMus" action="#{SpectBilgileri.emailGonder}">
</a4j:commandButton>
<a4j:commandButton value="Çıkış" styleClass="button" onclick="javascript:Richfaces.hideModalPanel('email')" ></a4j:commandButton>
</h:panelGrid>
</a4j:region>

</a4j:form>
<a4j:keepAlive beanName="#{SpectBilgileri.musteriTablo}"></a4j:keepAlive>
</rich:modalPanel>

[ronanker]

Keepalive tag does not accept EL expression in the 'beanName' attribute.

You should write something like :

<a4j:keepAlive beanName="MyBackingBean"/>

Hope this helps.

[btl_ayd]

I use richfaces 3.2.0 GA on the totarial there is an example like this
<a4j:keepAlive beanName = "#{myClass.testBean}"/>

class MyClass{
...
private TestBean testBean;
// Getters and Setters for testBean.
...
}
Can anybody say why that isnt work on my propject?