"The bridge does not support doHeaders method" messages in EPP 4.3

Issue

• Portlet errors during server startup.

2013-05-13 22:39:40,797 INFO  [javax.servlet.ServletContextListener] Welcome to Seam 2.2.0.GA
2013-05-13 22:39:45,896 ERROR [STDERR] May 13, 2013 10:39:45 PM javax.portlet.faces.GenericFacesPortlet init
INFO: Init GenericFacesPortlet for portlet ABCPortlet
2013-05-13 22:39:45,903 ERROR [STDERR] May 13, 2013 10:39:45 PM javax.portlet.faces.GenericFacesPortlet calculateBridgeClassName
INFO: Bridge class name is org.jboss.portletbridge.AjaxPortletBridge
2013-05-13 22:39:45,928 ERROR [STDERR] May 13, 2013 10:39:45 PM javax.portlet.faces.GenericFacesPortlet init
INFO: The bridge does not support doHeaders method
2013-05-13 22:39:45,929 ERROR [STDERR] May 13, 2013 10:39:45 PM javax.portlet.faces.GenericFacesPortlet init
INFO: Init GenericFacesPortlet for portlet PQRPortlet
2013-05-13 22:39:45,932 ERROR [STDERR] May 13, 2013 10:39:45 PM javax.portlet.faces.GenericFacesPortlet calculateBridgeClassName
INFO: Bridge class name is org.jboss.portletbridge.AjaxPortletBridge
2013-05-13 22:39:45,933 ERROR [STDERR] May 13, 2013 10:39:45 PM javax.portlet.faces.GenericFacesPortlet init
INFO: The bridge does not support doHeaders method
2013-05-13 22:39:45,933 ERROR [STDERR] May 13, 2013 10:39:45 PM javax.portlet.faces.GenericFacesPortlet init
INFO: Init GenericFacesPortlet for portlet MNOPortlet
2013-05-13 22:39:45,934 ERROR [STDERR] May 13, 2013 10:39:45 PM javax.portlet.faces.GenericFacesPortlet calculateBridgeClassName
INFO: Bridge class name is org.jboss.portletbridge.AjaxPortletBridge
2013-05-13 22:39:45,935 ERROR [STDERR] May 13, 2013 10:39:45 PM javax.portlet.faces.GenericFacesPortlet init
INFO: The bridge does not support doHeaders method