Displaying validation exceptions on a page

When a validation fails during the post back of a page, the framework adds the validation error messages in javax.faces.context.FacesContext object displaying it during the RenderResponse phase in the page life cycle. ADF input components, in general, supports automatically displaying their own messages. However, if you want to override the default display of messages (including validation exception), the following ADF Faces components are available for you:

• af:message: To override the default error display for a component, you can use the af:message component. The following example overrides the default error display for the deptName field using a separate af:message component:

  <af:inputText id="deptName" value="#{deptBean.departmentName}"
  validator="#{deptBean.validateDepartmentName}"
    label="Departmnet Name:" autoSubmit="false"/>
  <af:message for="deptName" id="msg1"/>

  This code will produce the following validation error display at...