Class FacesMessageExceptionHandler

  • All Implemented Interfaces:
    FacesListener, SystemEventListener, FacesWrapper<ExceptionHandler>, EventListener

    public class FacesMessageExceptionHandler
    extends ExceptionHandlerWrapper

    The FacesMessageExceptionHandler will add every exception as a global FATAL faces message.


    This handler must be registered by a factory as follows in faces-config.xml in order to get it to run:



    It's your own responsibility to make sure that the faces messages are being shown. Make sure that there's a <h:messages> or any equivalent component (OmniFaces, PrimeFaces, etc) is present in the view and that it can handle global messages and that it's explicitly or automatically updated in case of ajax requests. Also make sure that you don't have bugs in rendering of your views. This exception handler is not capable of handling exceptions during render response. It will fail silently.

    Customizing FacesMessageExceptionHandler

    If more fine grained control of creating the FATAL faces message is desired, then the developer can opt to extend this FacesMessageExceptionHandler and override the following method:

    Bauke Scholtz
    See Also:
    • Constructor Detail

      • FacesMessageExceptionHandler

        public FacesMessageExceptionHandler​(ExceptionHandler wrapped)
        Construct a new faces message exception handler around the given wrapped exception handler.
        wrapped - The wrapped exception handler.