JSF tags not rendered [duplicate]

问题

I am new to JSF, but my JSF tags are not rendered in xhtml file, i tried out every possible solution, but problem is not solved

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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>JSFProject</display-name>
  <welcome-file-list>
    <welcome-file>JSFProject/index.html</welcome-file>
    <welcome-file>JSFProject/index.htm</welcome-file>
    <welcome-file>JSFProject/index.jsp</welcome-file>
    <welcome-file>JSFProject/default.html</welcome-file>
    <welcome-file>JSFProject/default.htm</welcome-file>
    <welcome-file>JSFProject/default.jsp</welcome-file>
  </welcome-file-list>
  <context-param>
        <param-name>javax.faces.PROJECT_STAGE</param-name>
        <param-value>Development</param-value>
    </context-param>

  <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>*.xhtml</url-pattern>
  </servlet-mapping>
</web-app>

my example.xhtml

<?xml version="1.0" encoding="ISO-8859-1" ?>

<!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:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
<title>Example</title>
</head>
<body>
 <h:form>
    Some random data: <h:inputText/><br/>  <!-- Textfield ignored -->
    Some other data: <h:inputText/><br/>   <!-- Textfield ignored -->

    </h:form>

</body>
</html>

I had spend 3 days to figure out the problem, any help will be welcome

回答1:

The symptoms of the JSF components not being parsed at all indicates that the FacesServlet hasn't run. This will happen when the request URL doesn't match the url-pattern of the FacesServlet as definied in web.xml. This would mean that the actual url-pattern of the FacesServlet isn't *.xhtml at all. Are you looking into and editing the right web.xml you think you are? Is the right web.xml been deployed with the webapp into the servletcontainer?

回答2:

I had the same problem, I fixed this by updating below as:- Already Martin had mentioned in the above. Thanks.

web.xml

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

<context-param>
        <param-name>javax.faces.application.CONFIG_FILES</param-name>
        <param-value>/WEB-INF/faces-config.xml</param-value>
</context-param>

<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>*.faces</url-pattern>
  </servlet-mapping>

faces-config.xml

<application>
        <view-handler>com.sun.facelets.FaceletViewHandler</view-handler>
</application>

回答3:

Try:

<?xml version="1.0" encoding="ISO-8859-1" ?>

<!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:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
<title>Example</title>
</head>
<body>
<f:view>
 <h:form>
    Some random data: <h:inputText/><br/>  <!-- Textfield ignored -->
    Some other data: <h:inputText/><br/>   <!-- Textfield ignored -->

    </h:form>

</f:view>
</body>
</html>

I've included the JSF <f:view> tag

回答4:

Man, you haven't set the javax.faces.DEFAULT_SUFFIX context parameter. The default for jsf is jsp, so jsf will search for example.jsp instead of example.xhtml. Basically JSF replaces the extension of the resource requested with the javax.faces.DEFAULT_SUFFIX.

Use the following and it will work:

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

回答5:

Do you have faces-config.xml in place that declares Facelets as view handler?

<?xml version="1.0"?>
<faces-config xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_1_2.xsd" version="1.2">
<application>
    <view-handler>com.sun.facelets.FaceletViewHandler</view-handler>
</application>
</faces-config>

Don't forget about javax.faces.DEFAULT_SUFFIX parameter to be set to .xhtml as mentioned above.

回答6:

Add the following in your web-inf/lib :

jsf-api-2.0.9.jar jsf-facelets-1.1.14.jar jsf-impl-2.0.4-b09.jar jstl-1.2.jar

without jsf-facelets*.jar, you won't be able to render the jsf view.

And, following should be in your web.xml :

 <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>/jsf/*</url-pattern>
    <url-pattern>*.xhtml</url-pattern>
  </servlet-mapping>

Without above two url-pattern, tomcat won't be able to map .xhtml file properly.

And, faces-config.xml :

<?xml version="1.0" encoding="UTF-8"?>

<faces-config
    xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
    version="2.0">

</faces-config>

来源：https://stackoverflow.com/questions/3328959/jsf-tags-not-rendered

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