PrimeFaces Theme does not apply (maven)
问题 I am trying to change the default theme (aristo) of my web application to "cupertino". I followed several tutorials without any success. I used the following instruction from https://www.primefaces.org/documentation/ : Picture of instruction but the theme did not change I am using - Spring Framework - Maven - Eclipse - Primefaces 5.3 Here is my whole web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema