It seems to me like a bug...

When i have rich:dataTable in my page, ANY a4j request reload the list that related to the dataTable component even when the a4j request related to another bean!!!

for example:
i have 2 session beans.
myBean1
myBean2

my jsf page:

...
<h:form id="form1">
 <rich:dataTable id="myTable" value="#{myBean1.myList}" var="comp">
 ...
 </rich:dataTable>
</h:form>

<h:form id="form2">
 <h:outputText value="#{myBean2.test}"/>
 <h:graphicImage url="myImage.gif">
 <a4j:support event="onclick" reRender="form2" />
 </h:graphicImage>
</h:form>
...

The problem is that when i click the image in form2, the list (myList) in myBean1 reload!!! Does this make any sense!!!!?
It's happen only with binding list to a dataTable.