What is the difference between JSF, Servlet and JSP?

JSP (JavaServer Pages) JSP is a Java view technology running on the server machine which allows you to write template text in client side languages (like HTML, CSS, JavaScript, ect.). JSP supports taglibs, which are backed by pieces of Java code that let you control the page flow or output dynamically. A well-known taglib is JSTL. JSP also supports Expression … Read more

Opening JSF Facelets page shows “This XML file does not appear to have any style information associated with it.”

This XML file does not appear to have any style information associated with it. The document tree is shown below. You will get this message in the client side when the client (the web browser) for some reason interprets the HTTP response content representing a HTML document as text/xml instead of text/html and the parsed XML tree doesn’t have … Read more

How to define form action in JSF?

The best solution for me is to use the default <button> tag instead. Since typical button styling is not being applied (in my case I am using Primefaces), I set it manually. Here’s the whole result: