Servlet.service（）for servlet jsp抛出异常java.lang.RuntimeException：找不到FacesContext

我有一个简单的jsf登录应用程序。Servlet.service（）for servlet jsp抛出异常java.lang.RuntimeException：找不到FacesContext

我的login.jsp是

<%@ page contentType="text/html"%> 
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%> 
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%> 

<f:view> 
<html> 
    <head> 
     <title>JSF Login Application</title> 
    </head> 
    <body> 
     <h:form> 
      <table> 
       <tr> 
        <td><h:outputText value="Enter Login ID: " /></td> 
        <td><h:inputText id="id" value="#{LoginBean.loginid}" /></td> 
       </tr> 
       <tr> 
        <td><h:outputText value="Enter Password: " /></td> 
        <td><h:inputSecret id="pwd" value="#{LoginBean.pwd}" /></td> 
       </tr> 
       <tr> 
        <td>&nbsp;</td> 
        <td><h:commandButton value="Login" action="#{LoginBean.CheckValidUser}" /></td> 
       </tr> 
      </table> 
     </h:form> 
    </body> 
</html> 
</f:view>

我LoginBean被

public class LoginBean{ 
String loginid; 
String pwd; 

public LoginBean(){} 

public String getLoginid(){ 
    return loginid; 
} 
public void setLoginid(String loginid){ 
    this.loginid = loginid; 
} 
public String getPwd(){ 
    return pwd; 
} 
public void setPwd(String pwd){ 
    this.pwd = pwd; 
} 
public String CheckValidUser() 
{ 
    if(loginid.equals("username") && pwd.equals("password")) 
    { 
     return "success"; 
    } 
    else 
    { 
     return "fail"; 
    } 
} 
}

和我的web.xml是

<web-app> 

<display-name>JSFLoginAppln</display-name> 

<context-param> 
    <param-name>javax.faces.STATE_SAVING_METHOD</param-name> 
    <param-value>server</param-value> 
</context-param> 

<welcome-file-list> 
    <welcome-file>login.jsp</welcome-file> 
</welcome-file-list> 

</web-app>

似乎到b e在部署时没有问题，因为它在部署时不会抛出任何异常。但是，当我JBoss服务器上运行，它会引发以下异常

13:08:10,800 ERROR [[jsp]] Servlet.service() for servlet jsp threw exception 
java.lang.RuntimeException: Cannot find FacesContext 
    at javax.faces.webapp.UIComponentClassicTagBase.getFacesContext(UIComponentClassicTagBase.java:1855) 
    at javax.faces.webapp.UIComponentClassicTagBase.setJspId(UIComponentClassicTagBase.java:1672) 
    at org.apache.jsp.login_jsp._jspx_meth_f_005fview_005f0(login_jsp.java:99) 
    at org.apache.jsp.login_jsp._jspService(login_jsp.java:76) 
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) 
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369) 
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322) 
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
    at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235) 
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) 
    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190) 
    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92) 
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126) 
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70) 
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 
    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) 
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330) 
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829) 
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598) 
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) 
    at java.lang.Thread.run(Thread.java:619)

任何人都可以请帮我在修复这个....

在此先感谢！

来源

2011-12-26 Hawks

您忘记将您的LoginBean标记为ManagedBean了吗？ – 2011-12-26 09:20:28

http://stackoverflow.com/questions/5344797/java-lang-runtimeexception-cannot-find-facescontext-jsf-1-2-primefaces-tom – 2011-12-26 09:33:27

@ Mr.J4mes：我标记了它。 <管理豆> \t \t <托管bean名称> LoginBean \t \t <托管bean级> com.bean.LoginBean \t \t 请求 \t – Hawks 2011-12-27 10:27:14

-2

我只是从我的项目的lib去除jsf-api和jsf-imp和web.xml插入

<listener> 
    <listener-class>com.sun.faces.config.ConfigureListener</listener-class> 
</listener>

，因为我让Eclipse的运行时环境jBoss上创建项目。

来源

2014-12-11 08:13:14

Servlet.service（）for servlet jsp抛出异常java.lang.RuntimeException：找不到FacesContext

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