h:message not working

[pradeep arum]

HI all,

in the JSF i have this code
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<h:inputText styleClass="inputText" size="60" id="docName" value="#{pc_CreateDocHierarchy.docName}" required="true"></h:inputText>
Unique Name for your document.

for="docName" />

in the java bean i have the code
__________________

if(li.size()>0){
FacesContext context = getFacesContext();
FacesMessage message = new FacesMessage("Document already exists");
context.addMessage("docName", message);
return "failure";
}


and I am not able to get the error message displayed...

please show me some pointers,leads......



thanks
Pradeep