javax.faces.el.EvaluationException: Cannot get value for expression '#{userManage.userPassword}' org.apache.myfaces ... 公司原来有个产品是基于jboss 5.1.0 +jsf 1.2+EJB来开发的,由于jboss 5.1.0默认的提供了对jsf ...

One of the key strengths of JavaServer Faces (JSF) is that not only does it provide substantial technology for easy, out of the box component based J2EE Web applications assembly, but it also is a ...

1. Simple tasks become difficult. Time and time again, when developing user interfaces with JSF, tasks that could be achieved quite easily using JavaScript become a giant hassle. A simple example is a ...

User input validation is an important part of any Web application's navigation flow. There are two peculiar tasks that every Web application performs-check that all required form fields are filled ...