AW: [opencms-dev] CmsUser as a session variable

Frank Wunderlich k.frank.wunderlich at gmx.de
Fri Aug 29 17:25:02 CEST 2003 

Hi Ben,

I don't know why this exception is raised.

But why don't you use 
	cmso.loginUser(user,passwd)
instead of 
	cmso.readUser(user,passwd)?

That way OpenCms automatically keeps the current user in the session.
Regards,
Frank.


--
Frank Wunderlich 
Berlin . Germany
www.frank-wunderlich.de


> -----Ursprüngliche Nachricht-----
> Von: opencms-dev-admin at opencms.org 
> [mailto:opencms-dev-admin at opencms.org] Im Auftrag von Ben Rometsch
> Gesendet: Freitag, 29. August 2003 05:23
> An: opencms-dev at opencms.org
> Betreff: [opencms-dev] CmsUser as a session variable
> 
> 
> Hi,
> 
> I have the following in a jsp page (it's the execution part 
> of a user login
> form):
> 
> ----------
> 
> <%@ page import="java.util.*,
>                  com.opencms.flex.jsp.*,
>                  com.opencms.file.*,
>                  com.opencms.file.CmsUser" %>
> 
> <%
>   if (request.getParameter("login") != null) {
> 
>     CmsJspActionElement cms = new 
> CmsJspActionElement(pageContext, request,
> response);
>     CmsObject cmso = cms.getCmsObject();
> 
>     String username = request.getParameter("username");
>     String password = request.getParameter("password");
>     
>     try { 
>       CmsUser webUser = cmso.readUser(username,password);
>       out.println("You are now logged in as " + username);
>     } catch (Exception ex) {
>       out.println("Error logging in");
>     }
>   }
> %>
> 
> -----------
> 
> This is working fine. The problem I have is that I want to 
> make the webUser instance session scoped. If I add the 
> following underneath the page import:
> 
> <jsp:useBean id="webUser" class="com.opencms.file.CmsUser" 
> scope="session"/>
> 
> And change the line:
> 
> CmsUser webUser = cmso.readUser(username,password);
> 
> To 
> 
> webUser = cmso.readUser(username,password);
> 
> I get an error:
> 
> 
> javax.servlet.ServletException: Resource loader error in file 
> '/RGLIntranet/login.jsp'
> 
> Root cause:
> org.apache.jasper.JasperException
> 	at 
> org.apache.jasper.servlet.JspServletWrapper.service(JspServlet
> Wrapper.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(Applicat
> ionDispatcher.
> java:684)
> 	at 
> org.apache.catalina.core.ApplicationDispatcher.doInclude(Appli
> cationDispatch
> er.java:575)
> 	at 
> org.apache.catalina.core.ApplicationDispatcher.include(Applica
> tionDispatcher
> .java:498)
> 	at 
> com.opencms.flex.cache.CmsFlexRequestDispatcher.include(CmsFle
> xRequestDispat
> cher.java:180)
> 	at com.opencms.flex.CmsJspLoader.service(CmsJspLoader.java:955)
> 	at 
> com.opencms.flex.cache.CmsFlexRequestDispatcher.include(CmsFle
> xRequestDispat
> cher.java:268)
> 	at com.opencms.flex.CmsJspLoader.load(CmsJspLoader.java:567)
> 	at 
> com.opencms.flex.CmsJspLoader.initlaunch(CmsJspLoader.java:235)
> 	at com.opencms.core.OpenCms.showResource(OpenCms.java:956)
> 	at
> com.opencms.core.OpenCmsHttpServlet.doGet(OpenCmsHttpServlet.java:310)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> 	at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
> er(Application
> FilterChain.java:247)
> 	at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli
> cationFilterCh
> ain.java:193)
> 	at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardW
> rapperValve.ja
> va:256)
> 	at 
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> ine.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardC
> ontextValve.ja
> va:191)
> 	at 
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> ine.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at
> org.apache.catalina.core.StandardContext.invoke(StandardContex
> t.java:2416)
> 	at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHost
> Valve.java:180
> )
> 	at 
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invok
> eNext(StandardPipeline.java:643)
> 	at 
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDi
> spatcherValve.
> java:171)
> 	at 
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invok
> eNext(StandardPipeline.java:641)
> 	at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReport
> Valve.java:172
> )
> 	at 
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invok
> eNext(StandardPipeline.java:641)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> ine.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEn
> gineValve.java
> :174)
> 	at 
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> ine.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(Http11Process
> or.java:601)
> 	at 
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandle
> r.processConne
> ction(Http11Protocol.java:392)
> 	at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoi
> nt.java:565)
> 	at 
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
> ThreadPool.jav
> a:619)
> 	at java.lang.Thread.run(Thread.java:534)
> 
> --------------- End of root cause.
> 
> 	at com.opencms.flex.CmsJspLoader.service(CmsJspLoader.java:962)
> 	at 
> com.opencms.flex.cache.CmsFlexRequestDispatcher.include(CmsFle
> xRequestDispat
> cher.java:268)
> 	at com.opencms.flex.CmsJspLoader.load(CmsJspLoader.java:567)
> 	at 
> com.opencms.flex.CmsJspLoader.initlaunch(CmsJspLoader.java:235)
> 	at com.opencms.core.OpenCms.showResource(OpenCms.java:956)
> 	at
> com.opencms.core.OpenCmsHttpServlet.doGet(OpenCmsHttpServlet.java:310)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> 	at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
> er(Application
> FilterChain.java:247)
> 	at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli
> cationFilterCh
> ain.java:193)
> 	at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardW
> rapperValve.ja
> va:256)
> 	at 
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> ine.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardC
> ontextValve.ja
> va:191)
> 	at 
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> ine.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at
> org.apache.catalina.core.StandardContext.invoke(StandardContex
> t.java:2416)
> 	at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHost
> Valve.java:180
> )
> 	at 
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invok
> eNext(StandardPipeline.java:643)
> 	at 
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDi
> spatcherValve.
> java:171)
> 	at 
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invok
> eNext(StandardPipeline.java:641)
> 	at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReport
> Valve.java:172
> )
> 	at 
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invok
> eNext(StandardPipeline.java:641)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> ine.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEn
> gineValve.java
> :174)
> 	at 
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> ine.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(Http11Process
> or.java:601)
> 	at 
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandle
> r.processConne
> ction(Http11Protocol.java:392)
> 	at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoi
> nt.java:565)
> 	at 
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
> ThreadPool.jav
> a:619)
> 	at java.lang.Thread.run(Thread.java:534)
> 
> 
> 
> Does anyone know why this would be?
> 
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