How to handle error in Primefaces lazy load?
问题 I have problem to let user know about exceptions occurred in PrimeFaces LazyDataModel#load method. I am loading there data from database and when an exception is raised, I have no idea how to inform the user about it. I tried to add FacesMessage to FacesContext , but message is not shown on the Growl component, even if Growl is set to autoUpdate="true" . Using PrimeFaces 3.3. 回答1: It doesn't work because load() method is invoked during Render Response phase (you can check this by printing