JSF is not working

Question

I am beginner in JSF. I found one example in the Internet but it is not working besides the author said that it was right. Here it is:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://xmlns.jcp.org/jsf/html"
      xmlns:ui="http://xmlns.jcp.org/jsf/facelets"
      xmlns:f="http://xmlns.jcp.org/jsf/core">
<f:view>
    Label Text:
    <h:outputLabel value="Hello, world"/>
</f:view>
</html>

After deploying into Tomcat, I can see only "Label Text" in Chrome/Mozila. I am opening code page throught browser and see the next:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://xmlns.jcp.org/jsf/html" xmlns:ui="http://xmlns.jcp.org/jsf/facelets" xmlns:f="http://xmlns.jcp.org/jsf/core">
<f:view>
Label Text:
    <h:outputLabel value="Hello, world"></h:outputLabel>
</f:view>
</html>

What is problem of mine?

Here is my web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
         version="3.0">

    <servlet>
        <servlet-name>Faces Servlet</servlet-name>
        <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>*.html</url-pattern>
        <url-pattern>*.xhtml</url-pattern>
        <url-pattern>*.jsf</url-pattern>
    </servlet-mapping>

    <context-param>
        <param-name>javax.faces.PROJECT_STAGE</param-name>
        <param-value>Development</param-value>
    </context-param>

    <context-param>
        <param-name>javax.faces.DEFAULT_SUFFIX</param-name>
        <param-value>.xhtml</param-value>
    </context-param>
</web-app>

Do you see JSF code when openning source code in web browser? — Alexandre Lavoie, Mar 29 '14 at 14:00
There is something wrong in your `web.xml` configuration, you should not see any JSF code in the source code of the rendered page. — Alexandre Lavoie, Mar 29 '14 at 14:59
Paste your web.xml here and also the URL you're using to access the page — kolossus, Mar 30 '14 at 02:26
go through this link http://stackoverflow.com/questions/4441713/migrating-from-jsf-1-2-to-jsf-2-0/21227775#21227775 — Pravin, Dec 02 '14 at 14:43

bhdrk · Answer 1 · 2014-03-29T16:18:33.393

1) Probably you forget to configure JSF stuffs in web.xml.

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
         version="3.0">

    <servlet>
        <servlet-name>Faces Servlet</servlet-name>
        <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>*.html</url-pattern>
        <url-pattern>*.xhtml</url-pattern>
        <url-pattern>*.jsf</url-pattern>
    </servlet-mapping>

    <context-param>
        <param-name>javax.faces.PROJECT_STAGE</param-name>
        <param-value>Development</param-value>
    </context-param>

    <context-param>
        <param-name>javax.faces.DEFAULT_SUFFIX</param-name>
        <param-value>.xhtml</param-value>
    </context-param>

    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
    </welcome-file-list>

</web-app>

2) another option namespace can be wrong. "xmlns.jcp.org" is jsf 2.2 namescapes. are you sure to have jsf 2.2 dependencies? please try this sample:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://java.sun.com/jsf/html"
      xmlns:ui="http://java.sun.com/jsf/facelets"
      xmlns:f="http://java.sun.com/jsf/core">
<h:body>
    Label Text:
    <h:outputLabel value="Hello, world"/>
</h:body>
</html>

no! my web.xml is pretty good! listen up, when I remove value="Hello, world" from tag and put it lie this: Hello World!, I can normally see "Hello world" in browser. Why can't I use value inside ? — nightin_gale, Mar 29 '14 at 14:40
when you use value="Hello, world" browser render it like tag attribute and attributes cannot seen. with Hello World! you can see "Hello World!". Because browser render it like text node. please see second option in my answer. — bhdrk, Mar 29 '14 at 16:22

JSF is not working

1 Answers1