This problem is known as JSF spec issue 790. If you ajax-render some content which in turn contains a <h:form>, then its view state will get lost, which causes that the 1st action inside that form won’t invoke anything. On the ajax response of the first action, the form will get new view state and … Read more
This problem is in JSF 2 also recognized and explained in detail in the following answer: How can I populate a text field using PrimeFaces AJAX after validation errors occur? If you were using JSF 2, you could have used OmniFaces’ ResetInputAjaxActionListener or PrimeFaces’ <p:resetInput> or resetValues=”true” for this. To the point, you need to … Read more
You will get this error when you’re using JSP as view technology and you’re using #{…} in template text such as (the <p> is just examplary, it can be any plain HTML element): <p>#{bean.property}</p> It’s namely not supported in JSP, but it is supported in its successor Facelets. In JSP, you would need to explicitly … Read more