简单jsf应用在eclipse中的tomcat运行ok，export出来运行会报错，什么问题！
环境：
wtp1.53 all in one + jsf plugin
tomcat5.5.20
jdk1.6
jsf-1_1_01
jstl-1.1.2
默认（唯一）页面index.html:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN " "http://www.w3.org/TR/html4/loose.dtd ">
<html>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=UTF-8 ">
<title> Insert title here </title>
</head>
<body>
<a href = "index.faces "> click here to start the jsf example </a>
</body>
</html>
--------------------------------------
由index.html连接到index.jsp
index.jsp:
<%@ page language= "java " contentType= "text/html; charset=ISO-8859-1 "
pageEncoding= "ISO-8859-1 "%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN " "http://www.w3.org/TR/html4/loose.dtd ">
<%@ taglib uri = "http://java.sun.com/jsf/core " prefix = "f " %>
<%@ taglib uri = "http://java.sun.com/jsf/html " prefix = "h " %>
<html>
<f:view>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=ISO-8859-1 ">
<title> index </title>
</head>
<body>
<h:form>
<h:inputText value = "#{user.name} "> </h:inputText>
<h:commandButton value = "ok " action = "submit "> </h:commandButton>
</h:form>
</body>
</f:view>
</html>
--------------------------------------
然后index.jsp在跳转到home.jsp（在faces-config.xml中配置该导航规则）
home.jsp:
<%@ page language= "java " contentType= "text/html; charset=ISO-8859-1 "
pageEncoding= "ISO-8859-1 "%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN " "http://www.w3.org/TR/html4/loose.dtd ">
<%@ taglib uri = "http://java.sun.com/jsf/core " prefix = "f " %>
<%@ taglib uri = "http://java.sun.com/jsf/html " prefix = "h " %>
<html>
<f:view>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=ISO-8859-1 ">
<title> home </title>
</head>
<body>
<h:outputText value = "#{user.name} "> </h:outputText>
</body>
</f:view>
</html>
--------------------------------------
web.xml:
<?xml version= "1.0 " encoding= "UTF-8 "?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN " "http://java.sun.com/dtd/web-app_2_3.dtd ">
<web-app id= "WebApp_ID ">
<display-name> jsf1 </display-name>
<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>
<welcome-file-list>
<welcome-file> index.html </welcome-file>
</welcome-file-list>
</web-app>
--------------------------------------
faces-config.xml:
<?xml version= "1.0 " encoding= "UTF-8 "?>
<!DOCTYPE faces-config PUBLIC
"-//Sun Microsystems, Inc.//DTD JavaServer Faces Config 1.1//EN "
"http://java.sun.com/dtd/web-facesconfig_1_1.dtd ">
<faces-config>
<managed-bean>
<managed-bean-name>
user </managed-bean-name>
<managed-bean-class>
jsf1.bean.UserBean </managed-bean-class>
<managed-bean-scope>
session </managed-bean-scope>
</managed-bean>
<navigation-rule>
<display-name>
index </display-name>
<from-view-id>
/index.jsp </from-view-id>
<navigation-case>
<from-outcome> submit </from-outcome>
<to-view-id>
/home.jsp </to-view-id>
</navigation-case>
</navigation-rule>
</faces-config>
--------------------------------------
使用的UserBean:
package jsf1.bean;
public class UserBean {
String name = "your name ";
public String getName(){
return name;
}
public void setName(String name){
this.name = name;
}
}
在eclipse中运行正常,但是将.war export到tomcat安装路径的webapps中运行有问题,index.html正常显示，点击超连接就报错，错误如下：
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Servlet.init() for servlet Faces Servlet threw exception
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:833)
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:639)
org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1285)
java.lang.Thread.run(Unknown Source)
root cause
java.lang.NullPointerException
javax.faces.webapp.FacesServlet.init(FacesServlet.java:144)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:833)
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:639)
org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1285)
java.lang.Thread.run(Unknown Source)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.20 logs.
--------------------------------------
有没有谁遇到过这个问题！！！
[解决办法]
<h:commandButton value = "ok " action = "submit "> </h:commandButton>
怎么没有事件监听器?应该改为 <h:commandButton value = "ok " action = "#{user.testAction} "> </h:commandButton> 并且需要在UserBean类增加事件
public String testAction(){return "submit ";}
你好象问过类似的问题了,这可是个jsf最基本的东西,eclipse有现成的例子,照着它的做,肯定会成功!
[解决办法]
LZ看一下服务器的 日志 就知道了
我的异常网推荐解决方案：The server encountered an internal error () that prevented it from fulfilling this request.,http://www.myexception.cn/java-web/317.html
