请问为何我配置了ActionMappings和ActionFormBeans在载入页面，还会报这个错误呢？马上给分，祝节日愉快

ervinlj 2004-05-02 04:13:03
各位网友，大家好：
小弟我初学Struts,碰到一个棘手问题，烦劳各位高人帮我看一下：
这是我的Jsp文件inputContent.jsp:
<html>
<head>
<title>
A Simple Test Struts Application
</title>
</head>
<body>
<%@ taglib uri="WEB-INF/app.tld" prefix="app" %>
<%@ taglib uri="WEB-INF/struts-bean.tld" prefix="bean" %>
<%@ taglib uri="WEB-INF/struts-html.tld" prefix="html" %>
<%@ taglib uri="WEB-INF/struts-logic.tld" prefix="logic" %>
<h1>
A Simple Test Struts Application
</h1>
<html:messages id="mymessage" />
<app:department />
<app:skill />
<html:form action="empaction.do">
。。。
</html:form>
</body>
</html>

web.xml文件如下：
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app>
<description>
The Web.xml configuration of Struts Test Sample Application
</description>
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<load-on-startup>2</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
</web-app>

struts-config.xml文件如下：
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE struts-config PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 1.2//EN"
"http://jakarta.apache.org/struts/dtds/struts-config_1_2.dtd">
<struts-config>
<form-beans>
<form-bean name="empForm" type="com.example.EmpForm" />
</form-beans>
<action-mappings>
<action path="/empaction"
type="com.example.EmpAction"
name="EmpForm"
scope="request"
input="/inputContent.jsp">
<forward name="success" path="/outputContent.jsp">
</action>
</action-mappings>
</struts-config>
出的错误如下：
description The server encountered an internal error () that prevented it from fulfilling this

request.
exception
org.apache.jasper.JasperException: Cannot find ActionMappings or ActionFormBeans collection
我的ActionFormBean--EmpForm和Action--EmpAction是完全能编译通过的，可是在载入Jsp页面inputContent.jsp却会出现以上的错误，请各位高人看看，为什么没能找到ActionMappings和ActionFormBeans???
web.xml文件和struts-config.xml文件放的位置也应该都是正确的，都在我应用程序的WEB-INF目录下，这应该没有问题的呀！！！谢谢各位，马上给分的哈！！！
我用的是Struts1.2
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bitiwang 2004-05-05
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我也是初学者，我已经对struts恐惧了，太难调试了！准备放弃！！！！
struts最大缺点莫过于此。
pengfeitian 2004-05-04
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zging!!!
crazycy 2004-05-03
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配置应该没问题的
<html:form action="empaction.do">
。。。
</html:form>
这里的<html:form action="empaction.do">有method="post"这句？
若有，嘿嘿，也跟着一起学习
ervinlj 2004-05-03
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各位高人快来救我啊！！！40分全给啊！！！
ervinlj 2004-05-03
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见鬼，这个问题就没有高人能帮我解决的吗？
ervinlj 2004-05-03
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我将web.xml文件中加入config参数改成这样：
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app>
<description>
The Web.xml configuration of Struts Test Sample Application
</description>
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
</web-app>
还是没有成功，到底是什么原因啊？？？
ervinlj 2004-05-03
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upup再up
ervinlj 2004-05-03
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没有啊，没有method=post这句话呀！！！
ervinlj 2004-05-02
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我尝试过了，还是出现了这个问题，问题中<action>的name属性为EmpForm只是我的一个打字错误，看来问题还不是出现在这里，请各位高人再帮我看看！！！谢谢！！！
crazycy 2004-05-02
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我也是初学者
刚刚解决了这个问题
很高兴能与你一起交流 我的QQ：33682690
crazycy 2004-05-02
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请把你的struts-config.xml中
action标签的name属性值换为form-bean的name属性值
即：
<struts-config>
<form-beans>
<form-bean name="empForm" type="com.example.EmpForm" />
</form-beans>
<action-mappings>
<action path="/empaction"
type="com.example.EmpAction"
name="empForm"
scope="request"
input="/inputContent.jsp">
<forward name="success" path="/outputContent.jsp">
</action>
</action-mappings>
</struts-config>
ervinlj 2004-05-02
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出现的完全错误信息如下：
HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: Cannot find ActionMappings or ActionFormBeans collection
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
at java.lang.Thread.run(Thread.java:479)


root cause

javax.servlet.ServletException: Cannot find ActionMappings or ActionFormBeans collection
at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:533)
at org.apache.jsp.inputContent_jsp._jspService(inputContent_jsp.java:97)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:210)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
at java.lang.Thread.run(Thread.java:479)



--------------------------------------------------------------------------------

Apache Tomcat/4.1.24
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