validator="" attribute of <h:inputtext> in jsf causing exception

Question

We are trying to migrate from WS5 to WAS7 and the jsf code is causing the following error

Original Exception:

Error Message: JSPG0227E: Exception caught while translating /jsp/listView/listViewUPD_MAP_UM01.jsp: JSPG0301E: Invalid attribute, validator, for deferred method returning void. 
Error Code: 500
Target Servlet: /jsp/listView/listViewUPD_MAP_UM01.jsp
Error Stack: 
com.ibm.ws.jsp.translator.JspTranslationException: JSPG0227E: Exception caught while translating /jsp/listView/listViewUPD_MAP_UM01.jsp: 
     JSPG0301E: Invalid attribute, validator, for deferred method returning void. 
     at com.ibm.ws.jsp.translator.visitor.generator.BaseTagGenerator.evaluateAttribute(BaseTagGenerator.java:527)