This is the full stack trace.  

Nested Exception is javax.servlet.jsp.JspException:
actionURL/renderURL Tag Exception: cannot write to the
output writer.
        at
org.apache.pluto.tags.BasicURLTag.doEndTag(BasicURLTag.java:85)
        at
org.apache.jsp.WEB_002dINF.jsp.portlet.tournaments_jsp._jspx_meth_portlet_renderURL_1(org.apache.jsp.WEB_002dINF.jsp.portlet.tournaments_jsp:457)
        at
org.apache.jsp.WEB_002dINF.jsp.portlet.tournaments_jsp._jspx_meth_display_column_9(org.apache.jsp.WEB_002dINF.jsp.portlet.tournaments_jsp:428)
        at
org.apache.jsp.WEB_002dINF.jsp.portlet.tournaments_jsp._jspService(org.apache.jsp.WEB_002dINF.jsp.portlet.tournaments_jsp:181)
        at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
        at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
        at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
        at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
        at
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:105)
        at
org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:250)
        at
org.springframework.web.servlet.ViewRendererServlet.renderView(ViewRendererServlet.java:111)
        at
org.springframework.web.servlet.ViewRendererServlet.processRequest(ViewRendererServlet.java:84)
        at
org.springframework.web.servlet.ViewRendererServlet.doGet(ViewRendererServlet.java:65)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
        at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
        at
org.apache.pluto.core.impl.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:65)
        at
org.springframework.web.portlet.DispatcherPortlet.render(DispatcherPortlet.java:948)
        at
org.springframework.web.portlet.DispatcherPortlet.doRenderService(DispatcherPortlet.java:726)
        at
org.springframework.web.portlet.FrameworkPortlet.processRequest(FrameworkPortlet.java:420)
        at
org.springframework.web.portlet.FrameworkPortlet.doDispatch(FrameworkPortlet.java:391)
        at
javax.portlet.GenericPortlet.render(GenericPortlet.java:178)
        at
org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:218)
        at
org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:158)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.pluto.core.PortletServlet.service(PortletServlet.java:153)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
        at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
        at
org.apache.pluto.invoker.impl.PortletInvokerImpl.invoke(PortletInvokerImpl.java:120)
        at
org.apache.pluto.invoker.impl.PortletInvokerImpl.render(PortletInvokerImpl.java:73)
        at
org.apache.pluto.PortletContainerImpl.renderPortlet(PortletContainerImpl.java:119)
        at
org.apache.pluto.portalImpl.core.PortletContainerWrapperImpl.renderPortlet(PortletContainerWrapperImpl.java:70)
        at
org.apache.pluto.portalImpl.aggregation.PortletFragment.service(PortletFragment.java:168)
        at
org.apache.jsp.WEB_002dINF.aggregation.ColumnFragment_jsp._jspService(org.apache.jsp.WEB_002dINF.aggregation.ColumnFragment_jsp:65)
        at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
        at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
        at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
        at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
        at
org.apache.pluto.portalImpl.aggregation.AbstractFragment.service(AbstractFragment.java:112)
        at
org.apache.jsp.WEB_002dINF.aggregation.RowFragment_jsp._jspService(org.apache.jsp.WEB_002dINF.aggregation.RowFragment_jsp:65)
        at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
        at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
        at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
        at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
        at
org.apache.pluto.portalImpl.aggregation.AbstractFragment.service(AbstractFragment.java:112)
        at
org.apache.jsp.WEB_002dINF.aggregation.PageFragment_jsp._jspService(org.apache.jsp.WEB_002dINF.aggregation.PageFragment_jsp:74)
        at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
        at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
        at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
        at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
        at
org.apache.pluto.portalImpl.aggregation.AbstractFragment.service(AbstractFragment.java:112)
        at
org.apache.jsp.WEB_002dINF.aggregation.RootFragment_jsp._jspService(org.apache.jsp.WEB_002dINF.aggregation.RootFragment_jsp:136)
        at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
        at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
        at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
        at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
        at
org.apache.pluto.portalImpl.aggregation.AbstractFragment.service(AbstractFragment.java:112)
        at
org.apache.pluto.portalImpl.Servlet.doGet(Servlet.java:254)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:407)
        at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
        at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
        at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
        at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:595)
--- Eric Dalquist <[EMAIL PROTECTED]> wrote:

> Do you have a stack trace associated with that error
> message you could 
> share?
> 
> -Eric
> 
> John O'Reilly wrote:
> > Hi,
> >
> > I am having a problem creating links within
> displaytag
> > tables that are part of a portlet.  I'm getting
> the
> > following error when I try to use
> <portlet:renderURL>
> > within a <display:column>:
> >
> > "actionURL/renderURL Tag Exception: cannot write
> to
> > the output writer"
> >
> > I'm using Jetspeed 2.0 (the above error seems to
> be
> > generated within Pluto code (in doEndTag() in
> > BasicURLTag.java). I'm also using displaytag and
> > displaytag-portlet 1.1 and have put the following
> line
> > into displaytag.properties:
> >
> >
>
factory.requestHelper=org.displaytag.portlet.PortletRequestHelperFactory
> >
> > If I use <portlet:renderURL> outside of a
> > <display:table> it works fine.
> >
> > Thanks,
> > John
> >
> >
> >
> >
> >
> >             
> >
>
___________________________________________________________
> 
> > Win a BlackBerry device from O2 with Yahoo!. Enter
> now. http://www.yahoo.co.uk/blackberry
> >
> >
> >
>
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> > _______________________________________________
> > displaytag-user mailing list
> > [email protected]
> >
>
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> >   
> 
> 
>
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> Attend the live webcast
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>
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> 



                
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