Originally posted by Merrill Higginson: My best guess would be that "dataSource" does not match exactly what you put in your struts-config.xml file as the form bean to be used by the action.
Do you have the following Entry in your struts-config.xml?
<action name="dataSoure" path="/myAction" ..>
In this case, "myAction" is whatever action is specified in your <html:form> tag.