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Posted to user@struts.apache.org by John McCosker <J....@andronics.com> on 2005/01/10 12:48:50 UTC

accessing bean properties in a jsp

Hi, I am a struts newbie,

I am trying to access a bean in my jsp page like this,

<c:out value="${clientSession.customerName}"/>

I validate and then set the bean in my action,

package com.neo.five.ereports;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpSession;

import com.neo.five.cookies.SessionCookieValidator;
import com.neo.five.beans.CustomerSessionBean;

public final class EreportAction extends Action{
	
	public ActionForward execute(ActionMapping mapping,
								ActionForm
form,
	
HttpServletRequest request,
	
HttpServletResponse response){
		//get the session object
		HttpSession session = request.getSession(false);
		
		//validate the session cookie if session object dows not
exist
		
		Cookie[] cookies = request.getCookies();
		SessionCookieValidator scv = new
SessionCookieValidator(cookies);
		scv.checkCookie();
			
		//forward to appropriate destination
		//if there is a cookie continue
		if(scv.hasSessionCookie()){
			//check for session object
			if (session != null) {
				//if session does not exist put bean into
session that holds the cookie
				//values
	
if(session.getAttribute("cookieSession")==null){
				
					CustomerSessionBean sb = new
CustomerSessionBean(scv.getCustomerid(),scv.getCustomerName(),scv.getCfid(),
scv.getCftoken());
	
session.setAttribute("cookieSession", sb);
	
request.setAttribute("clientSession",sb);
					
				}
				
				return (mapping.findForward("success"));
			
			}else{
				
				return (mapping.findForward("failure"));
				
			}
			
		}else{
				
			return (mapping.findForward("failure"));
				
		}
			
	}
	
}

however I am getting this error,

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: An error occurred while evaluating custom
action attribute "value" with value "${clientSession.customerName}": Unable
to find a value for "customerName" in object of class
"com.neo.five.beans.CustomerSessionBean" using operator "." (null)
	at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2
54)
	at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.
java:684)
	at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatch
er.java:432)
	at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher
.java:356)
	at
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:10
69)
	at
org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProces
sor.java:455)
	at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
	at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
	at
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:247)
	at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:193)
	at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:256)
	at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(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.ja
va:191)
	at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2422)
	at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180
)
	at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
	at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
java:171)
	at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:641)
	at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:163
)
	at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(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$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at
org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:199)
	at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)
	at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:700)
	at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:584)
	at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:683)
	at java.lang.Thread.run(Thread.java:536)


root cause 

javax.servlet.ServletException: An error occurred while evaluating custom
action attribute "value" with value "${clientSession.customerName}": Unable
to find a value for "customerName" in object of class
"com.neo.five.beans.CustomerSessionBean" using operator "." (null)
	at
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImp
l.java:533)
	at
org.apache.jsp.eReportDeskTopRoot_jsp._jspService(eReportDeskTopRoot_jsp.jav
a:145)
	at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2
10)
	at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.
java:684)
	at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatch
er.java:432)
	at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher
.java:356)
	at
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:10
69)
	at
org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProces
sor.java:455)
	at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
	at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
	at
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:247)
	at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:193)
	at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:256)
	at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(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.ja
va:191)
	at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2422)
	at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180
)
	at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
	at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
java:171)
	at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:641)
	at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:163
)
	at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(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$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at
org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:199)
	at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)
	at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:700)
	at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:584)
	at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:683)
	at java.lang.Thread.run(Thread.java:536)



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

Apache Tomcat/4.1.30

Re: convertStringToDate

Posted by Larry Meadors <la...@gmail.com>.
Look at the DateFormat and SimpleDateFormat classes.

http://java.sun.com/j2se/1.4.2/docs/api/java/text/DateFormat.html

http://java.sun.com/j2se/1.4.2/docs/api/java/text/SimpleDateFormat.html

Larry

On Mon, 10 Jan 2005 11:12:25 -0200, Flávio Maldonado
<fv...@yahoo.com.br> wrote:
> Hi people...
> 
> I'm trying to convert String to java.sql.Date and I'm having some problems.
> Maybe anybody has a method that do it and can send to us.
> 
> Thanks...
> 
> Flávio Vilasboas Maldonado
> Diretor de Desenvolvimento
> SedNet Soluções
> +55(35)3471-9381
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscribe@struts.apache.org
> For additional commands, e-mail: user-help@struts.apache.org
> 
>

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convertStringToDate

Posted by Flávio Maldonado <fv...@yahoo.com.br>.
Hi people...

I'm trying to convert String to java.sql.Date and I'm having some problems.
Maybe anybody has a method that do it and can send to us.

Thanks...


Flávio Vilasboas Maldonado
Diretor de Desenvolvimento
SedNet Soluções
+55(35)3471-9381 



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