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Posted to dev@myfaces.apache.org by bo...@yahoo.com on 2007/02/27 07:57:33 UTC

Commented: (TOMAHAWK-887) Duplicate Client-Id

Hello Nikolaos,

you mentioned a couple of days ago that you will post some code. Can you please post it? I am having
the same problem, and even though I tried the solution mentioned by Robert (the one with binding the
dataScroller to a null field) it didn't worked for me. 

So maybe you solution will give some better results.

Thanks,
Bogdan


My Faces - Dev mailing list wrote:
> 
> 
>     [
> https://issues.apache.org/jira/browse/TOMAHAWK-887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12475776
> ] 
> 
> nikolaos georgosoulos commented on TOMAHAWK-887:
> ------------------------------------------------
> 
> There is an other way, It's still a hack but I think it works better. I
> have the code at the office so I'll post it here tomorrow. For now I can
> simply say.... avoid rebuilding children if they already exist and make
> sure you encode Children YET NOT The transient ones. As I said... I'll
> post here the code (for the renderer) tomorrow. It just seams that for
> some reason the children are and rewritten every time. I had no idea this
> was the case even on a plain JSF application cause there.... the scroller
> should rebuild itself every time user returns to the page. Only in portal
> the "RENDER" is invoked alone upon return.
> 
>> Duplicate Client-Id
>> -------------------
>>
>>                 Key: TOMAHAWK-887
>>                 URL: https://issues.apache.org/jira/browse/TOMAHAWK-887
>>             Project: MyFaces Tomahawk
>>          Issue Type: Bug
>>          Components: Data Scroller
>>    Affects Versions: 1.1.5-SNAPSHOT
>>            Reporter: nikolaos georgosoulos
>>
>> The datascroller component returns the following error when it is part of
>> a portlet in page and the user leaves the page and returns. The 1.1.5
>> snapshot is being used so the datascroller works fine as long as the user
>> stays in the portal page with the scroller. When user leaves the page and
>> returns back to it the error occurs. As portal Jetspeed 2 is being used.
>> the Tomahawk bridge is used for bridging portal and portlet of JSF that
>> extend the MyFacesGenericPortlet class without any real implementation
>> (just super.doView()). Myfaces implementation is 1.1.4. Myfaces impl
>> 1.1.5 does not cooperate well with Tomahawk bridge (bufferedStream
>> errors) and the portals-bridge-jsf simply discards any passed parameters
>> from the processAction to the renderPage phases. I only mention these in
>> order to prove there is none known alternative. 
>> javax.portlet.PortletException
>> 	at
>> jp.sf.pal.facesresponse.FacesResponseFilter.renderFilter(FacesResponseFilter.java:81)
>> 	at
>> org.apache.portals.bridges.portletfilter.PortletFilterChain.renderFilter(PortletFilterChain.java:114)
>> 	at
>> org.apache.portals.bridges.portletfilter.FilterPortlet.render(FilterPortlet.java:141)
>> 	at
>> org.apache.jetspeed.factory.JetspeedPortletInstance.render(JetspeedPortletInstance.java:102)
>> 	at
>> org.apache.jetspeed.container.JetspeedContainerServlet.doGet(JetspeedContainerServlet.java:230)
>> 	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:237)
>> 	at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:704)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:510)
>> 	at
>> org.apache.jetspeed.container.invoker.ServletPortletInvoker.invoke(ServletPortletInvoker.java:213)
>> 	at
>> org.apache.jetspeed.container.invoker.ServletPortletInvoker.render(ServletPortletInvoker.java:125)
>> 	at
>> org.apache.pluto.PortletContainerImpl.renderPortlet(PortletContainerImpl.java:119)
>> 	at
>> org.apache.jetspeed.container.JetspeedPortletContainerWrapper.renderPortlet(JetspeedPortletContainerWrapper.java:120)
>> 	at
>> org.apache.jetspeed.aggregator.impl.RenderingJobImpl.execute(RenderingJobImpl.java:120)
>> 	at
>> org.apache.jetspeed.aggregator.impl.PortletRendererImpl.renderNow(PortletRendererImpl.java:110)
>> 	at
>> org.apache.jetspeed.aggregator.impl.PageAggregatorImpl.aggregateAndRender(PageAggregatorImpl.java:199)
>> 	at
>> org.apache.jetspeed.aggregator.impl.PageAggregatorImpl.aggregateAndRender(PageAggregatorImpl.java:182)
>> 	at
>> org.apache.jetspeed.aggregator.impl.PageAggregatorImpl.build(PageAggregatorImpl.java:106)
>> 	at
>> org.apache.jetspeed.aggregator.AggregatorValve.invoke(AggregatorValve.java:48)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.pipeline.valve.impl.ActionValveImpl.invoke(ActionValveImpl.java:132)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.container.ContainerValve.invoke(ContainerValve.java:76)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.decoration.DecorationValve.invoke(DecorationValve.java:100)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.profiler.impl.ProfilerValveImpl.invoke(ProfilerValveImpl.java:179)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.security.impl.LoginValidationValveImpl.invoke(LoginValidationValveImpl.java:143)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.security.impl.PasswordCredentialValveImpl.invoke(PasswordCredentialValveImpl.java:148)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.localization.impl.LocalizationValveImpl.invoke(LocalizationValveImpl.java:168)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.security.impl.AbstractSecurityValve$1.run(AbstractSecurityValve.java:117)
>> 	at java.security.AccessController.doPrivileged(Native Method)
>> 	at javax.security.auth.Subject.doAsPrivileged(Subject.java:437)
>> 	at
>> org.apache.jetspeed.security.impl.AbstractSecurityValve.invoke(AbstractSecurityValve.java:111)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.container.url.impl.PortalURLValveImpl.invoke(PortalURLValveImpl.java:55)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.capabilities.impl.CapabilityValveImpl.invoke(CapabilityValveImpl.java:128)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invoke(JetspeedPipeline.java:185)
>> 	at
>> org.apache.jetspeed.engine.JetspeedEngine.service(JetspeedEngine.java:231)
>> 	at
>> org.apache.jetspeed.engine.JetspeedServlet.doGet(JetspeedServlet.java:226)
>> 	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:237)
>> 	at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
>> 	at
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>> 	at
>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>> 	at
>> org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
>> 	at
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>> 	at
>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
>> 	at
>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>> 	at
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>> 	at
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
>> 	at
>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>> 	at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>> 	at
>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>> 	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
>> 	at
>> org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
>> 	at
>> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
>> 	at
>> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
>> 	at
>> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
>> 	at
>> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
>> 	at java.lang.Thread.run(Thread.java:534)
>> Caused by: javax.portlet.PortletException: Client-id : scroll_itemsfirst
>> is duplicated in the faces tree. Component :
>> scroller_form:scroll_itemsfirst, path: {Component-Path : [Class:
>> javax.faces.component.UIViewRoot,ViewId: /view/section.jsp][Class:
>> javax.faces.component.html.HtmlForm,Id: scroller_form][Class:
>> javax.faces.component.html.HtmlPanelGroup,Id: body][Class:
>> javax.faces.component.html.HtmlPanelGrid,Id:
>> _idJsp3js_P_1107cbeb4a1_10001_][Class:
>> org.apache.myfaces.custom.datascroller.HtmlDataScroller,Id:
>> scroll_items][Class: javax.faces.component.html.HtmlCommandLink,Id:
>> scroll_itemsfirst]}
>> 	at
>> org.apache.myfaces.portlet.MyFacesGenericPortlet.handleExceptionFromLifecycle(MyFacesGenericPortlet.java:253)
>> 	at
>> org.apache.myfaces.portlet.MyFacesGenericPortlet.facesRender(MyFacesGenericPortlet.java:399)
>> 	at
>> org.apache.myfaces.portlet.MyFacesGenericPortlet.doView(MyFacesGenericPortlet.java:265)
>> 	at
>> lu.intrasoft.esepa.web.controlers.ResearchCentreViewControler.doView(ResearchCentreViewControler.java:27)
>> 	at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
>> 	at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
>> 	at
>> org.apache.portals.bridges.portletfilter.PortletFilterChain.renderFilter(PortletFilterChain.java:121)
>> 	at
>> jp.sf.pal.tomahawk.filter.ExtensionsPortletFilter.renderFilter(ExtensionsPortletFilter.java:163)
>> 	at
>> org.apache.portals.bridges.portletfilter.PortletFilterChain.renderFilter(PortletFilterChain.java:114)
>> 	at
>> jp.sf.pal.facesresponse.FacesResponseFilter.renderFilter(FacesResponseFilter.java:76)
>> 	... 76 more
>> Caused by: java.lang.IllegalStateException: Client-id : scroll_itemsfirst
>> is duplicated in the faces tree. Component :
>> scroller_form:scroll_itemsfirst, path: {Component-Path : [Class:
>> javax.faces.component.UIViewRoot,ViewId: /view/section.jsp][Class:
>> javax.faces.component.html.HtmlForm,Id: scroller_form][Class:
>> javax.faces.component.html.HtmlPanelGroup,Id: body][Class:
>> javax.faces.component.html.HtmlPanelGrid,Id:
>> _idJsp3js_P_1107cbeb4a1_10001_][Class:
>> org.apache.myfaces.custom.datascroller.HtmlDataScroller,Id:
>> scroll_items][Class: javax.faces.component.html.HtmlCommandLink,Id:
>> scroll_itemsfirst]}
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:350)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:365)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:365)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:365)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:361)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:365)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.saveSerializedView(JspStateManagerImpl.java:305)
>> 	at org.apache.myfaces.taglib.core.ViewTag.doAfterBody(ViewTag.java:122)
>> 	at
>> org.apache.jsp.view.section_jsp._jspx_meth_f_view_0(section_jsp.java:163)
>> 	at org.apache.jsp.view.section_jsp._jspService(section_jsp.java:125)
>> 	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
>> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>> 	at
>> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
>> 	at
>> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
>> 	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
>> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>> 	at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
>> 	at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:704)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:510)
>> 	at
>> org.apache.jetspeed.dispatcher.JetspeedRequestDispatcher.include(JetspeedRequestDispatcher.java:72)
>> 	at
>> org.apache.myfaces.context.portlet.PortletExternalContextImpl.dispatch(PortletExternalContextImpl.java:164)
>> 	at
>> org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:195)
>> 	at
>> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384)
>> 	at
>> org.apache.myfaces.portlet.MyFacesGenericPortlet.facesRender(MyFacesGenericPortlet.java:395)
>> 	... 84 more
>> Nested Exception is javax.portlet.PortletException: Client-id :
>> scroll_itemsfirst is duplicated in the faces tree. Component :
>> scroller_form:scroll_itemsfirst, path: {Component-Path : [Class:
>> javax.faces.component.UIViewRoot,ViewId: /view/section.jsp][Class:
>> javax.faces.component.html.HtmlForm,Id: scroller_form][Class:
>> javax.faces.component.html.HtmlPanelGroup,Id: body][Class:
>> javax.faces.component.html.HtmlPanelGrid,Id:
>> _idJsp3js_P_1107cbeb4a1_10001_][Class:
>> org.apache.myfaces.custom.datascroller.HtmlDataScroller,Id:
>> scroll_items][Class: javax.faces.component.html.HtmlCommandLink,Id:
>> scroll_itemsfirst]}
>> 	at
>> org.apache.myfaces.portlet.MyFacesGenericPortlet.handleExceptionFromLifecycle(MyFacesGenericPortlet.java:253)
>> 	at
>> org.apache.myfaces.portlet.MyFacesGenericPortlet.facesRender(MyFacesGenericPortlet.java:399)
>> 	at
>> org.apache.myfaces.portlet.MyFacesGenericPortlet.doView(MyFacesGenericPortlet.java:265)
>> 	at
>> lu.intrasoft.esepa.web.controlers.ResearchCentreViewControler.doView(ResearchCentreViewControler.java:27)
>> 	at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
>> 	at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
>> 	at
>> org.apache.portals.bridges.portletfilter.PortletFilterChain.renderFilter(PortletFilterChain.java:121)
>> 	at
>> jp.sf.pal.tomahawk.filter.ExtensionsPortletFilter.renderFilter(ExtensionsPortletFilter.java:163)
>> 	at
>> org.apache.portals.bridges.portletfilter.PortletFilterChain.renderFilter(PortletFilterChain.java:114)
>> 	at
>> jp.sf.pal.facesresponse.FacesResponseFilter.renderFilter(FacesResponseFilter.java:76)
>> 	at
>> org.apache.portals.bridges.portletfilter.PortletFilterChain.renderFilter(PortletFilterChain.java:114)
>> 	at
>> org.apache.portals.bridges.portletfilter.FilterPortlet.render(FilterPortlet.java:141)
>> 	at
>> org.apache.jetspeed.factory.JetspeedPortletInstance.render(JetspeedPortletInstance.java:102)
>> 	at
>> org.apache.jetspeed.container.JetspeedContainerServlet.doGet(JetspeedContainerServlet.java:230)
>> 	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:237)
>> 	at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:704)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:510)
>> 	at
>> org.apache.jetspeed.container.invoker.ServletPortletInvoker.invoke(ServletPortletInvoker.java:213)
>> 	at
>> org.apache.jetspeed.container.invoker.ServletPortletInvoker.render(ServletPortletInvoker.java:125)
>> 	at
>> org.apache.pluto.PortletContainerImpl.renderPortlet(PortletContainerImpl.java:119)
>> 	at
>> org.apache.jetspeed.container.JetspeedPortletContainerWrapper.renderPortlet(JetspeedPortletContainerWrapper.java:120)
>> 	at
>> org.apache.jetspeed.aggregator.impl.RenderingJobImpl.execute(RenderingJobImpl.java:120)
>> 	at
>> org.apache.jetspeed.aggregator.impl.PortletRendererImpl.renderNow(PortletRendererImpl.java:110)
>> 	at
>> org.apache.jetspeed.aggregator.impl.PageAggregatorImpl.aggregateAndRender(PageAggregatorImpl.java:199)
>> 	at
>> org.apache.jetspeed.aggregator.impl.PageAggregatorImpl.aggregateAndRender(PageAggregatorImpl.java:182)
>> 	at
>> org.apache.jetspeed.aggregator.impl.PageAggregatorImpl.build(PageAggregatorImpl.java:106)
>> 	at
>> org.apache.jetspeed.aggregator.AggregatorValve.invoke(AggregatorValve.java:48)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.pipeline.valve.impl.ActionValveImpl.invoke(ActionValveImpl.java:132)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.container.ContainerValve.invoke(ContainerValve.java:76)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.decoration.DecorationValve.invoke(DecorationValve.java:100)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.profiler.impl.ProfilerValveImpl.invoke(ProfilerValveImpl.java:179)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.security.impl.LoginValidationValveImpl.invoke(LoginValidationValveImpl.java:143)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.security.impl.PasswordCredentialValveImpl.invoke(PasswordCredentialValveImpl.java:148)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.localization.impl.LocalizationValveImpl.invoke(LocalizationValveImpl.java:168)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.security.impl.AbstractSecurityValve$1.run(AbstractSecurityValve.java:117)
>> 	at java.security.AccessController.doPrivileged(Native Method)
>> 	at javax.security.auth.Subject.doAsPrivileged(Subject.java:437)
>> 	at
>> org.apache.jetspeed.security.impl.AbstractSecurityValve.invoke(AbstractSecurityValve.java:111)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.container.url.impl.PortalURLValveImpl.invoke(PortalURLValveImpl.java:55)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.capabilities.impl.CapabilityValveImpl.invoke(CapabilityValveImpl.java:128)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invoke(JetspeedPipeline.java:185)
>> 	at
>> org.apache.jetspeed.engine.JetspeedEngine.service(JetspeedEngine.java:231)
>> 	at
>> org.apache.jetspeed.engine.JetspeedServlet.doGet(JetspeedServlet.java:226)
>> 	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:237)
>> 	at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
>> 	at
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>> 	at
>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>> 	at
>> org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
>> 	at
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>> 	at
>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
>> 	at
>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>> 	at
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>> 	at
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
>> 	at
>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>> 	at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>> 	at
>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>> 	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
>> 	at
>> org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
>> 	at
>> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
>> 	at
>> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
>> 	at
>> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
>> 	at
>> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
>> 	at java.lang.Thread.run(Thread.java:534)
>> Caused by: java.lang.IllegalStateException: Client-id : scroll_itemsfirst
>> is duplicated in the faces tree. Component :
>> scroller_form:scroll_itemsfirst, path: {Component-Path : [Class:
>> javax.faces.component.UIViewRoot,ViewId: /view/section.jsp][Class:
>> javax.faces.component.html.HtmlForm,Id: scroller_form][Class:
>> javax.faces.component.html.HtmlPanelGroup,Id: body][Class:
>> javax.faces.component.html.HtmlPanelGrid,Id:
>> _idJsp3js_P_1107cbeb4a1_10001_][Class:
>> org.apache.myfaces.custom.datascroller.HtmlDataScroller,Id:
>> scroll_items][Class: javax.faces.component.html.HtmlCommandLink,Id:
>> scroll_itemsfirst]}
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:350)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:365)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:365)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:365)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:361)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:365)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.saveSerializedView(JspStateManagerImpl.java:305)
>> 	at org.apache.myfaces.taglib.core.ViewTag.doAfterBody(ViewTag.java:122)
>> 	at
>> org.apache.jsp.view.section_jsp._jspx_meth_f_view_0(section_jsp.java:163)
>> 	at org.apache.jsp.view.section_jsp._jspService(section_jsp.java:125)
>> 	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
>> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>> 	at
>> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
>> 	at
>> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
>> 	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
>> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>> 	at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
>> 	at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:704)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:510)
>> 	at
>> org.apache.jetspeed.dispatcher.JetspeedRequestDispatcher.include(JetspeedRequestDispatcher.java:72)
>> 	at
>> org.apache.myfaces.context.portlet.PortletExternalContextImpl.dispatch(PortletExternalContextImpl.java:164)
>> 	at
>> org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:195)
>> 	at
>> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384)
>> 	at
>> org.apache.myfaces.portlet.MyFacesGenericPortlet.facesRender(MyFacesGenericPortlet.java:395)
>> 	... 84 more
>> Nested Exception is java.lang.IllegalStateException: Client-id :
>> scroll_itemsfirst is duplicated in the faces tree. Component :
>> scroller_form:scroll_itemsfirst, path: {Component-Path : [Class:
>> javax.faces.component.UIViewRoot,ViewId: /view/section.jsp][Class:
>> javax.faces.component.html.HtmlForm,Id: scroller_form][Class:
>> javax.faces.component.html.HtmlPanelGroup,Id: body][Class:
>> javax.faces.component.html.HtmlPanelGrid,Id:
>> _idJsp3js_P_1107cbeb4a1_10001_][Class:
>> org.apache.myfaces.custom.datascroller.HtmlDataScroller,Id:
>> scroll_items][Class: javax.faces.component.html.HtmlCommandLink,Id:
>> scroll_itemsfirst]}
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:350)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:365)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:365)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:365)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:361)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:365)
>> 	at
>> org.apache.myfaces.application.jsp.JspStateManagerImpl.saveSerializedView(JspStateManagerImpl.java:305)
>> 	at org.apache.myfaces.taglib.core.ViewTag.doAfterBody(ViewTag.java:122)
>> 	at
>> org.apache.jsp.view.section_jsp._jspx_meth_f_view_0(section_jsp.java:163)
>> 	at org.apache.jsp.view.section_jsp._jspService(section_jsp.java:125)
>> 	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
>> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>> 	at
>> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
>> 	at
>> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
>> 	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
>> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>> 	at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
>> 	at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:704)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:510)
>> 	at
>> org.apache.jetspeed.dispatcher.JetspeedRequestDispatcher.include(JetspeedRequestDispatcher.java:72)
>> 	at
>> org.apache.myfaces.context.portlet.PortletExternalContextImpl.dispatch(PortletExternalContextImpl.java:164)
>> 	at
>> org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:195)
>> 	at
>> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384)
>> 	at
>> org.apache.myfaces.portlet.MyFacesGenericPortlet.facesRender(MyFacesGenericPortlet.java:395)
>> 	at
>> org.apache.myfaces.portlet.MyFacesGenericPortlet.doView(MyFacesGenericPortlet.java:265)
>> 	at
>> lu.intrasoft.esepa.web.controlers.ResearchCentreViewControler.doView(ResearchCentreViewControler.java:27)
>> 	at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
>> 	at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
>> 	at
>> org.apache.portals.bridges.portletfilter.PortletFilterChain.renderFilter(PortletFilterChain.java:121)
>> 	at
>> jp.sf.pal.tomahawk.filter.ExtensionsPortletFilter.renderFilter(ExtensionsPortletFilter.java:163)
>> 	at
>> org.apache.portals.bridges.portletfilter.PortletFilterChain.renderFilter(PortletFilterChain.java:114)
>> 	at
>> jp.sf.pal.facesresponse.FacesResponseFilter.renderFilter(FacesResponseFilter.java:76)
>> 	at
>> org.apache.portals.bridges.portletfilter.PortletFilterChain.renderFilter(PortletFilterChain.java:114)
>> 	at
>> org.apache.portals.bridges.portletfilter.FilterPortlet.render(FilterPortlet.java:141)
>> 	at
>> org.apache.jetspeed.factory.JetspeedPortletInstance.render(JetspeedPortletInstance.java:102)
>> 	at
>> org.apache.jetspeed.container.JetspeedContainerServlet.doGet(JetspeedContainerServlet.java:230)
>> 	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:237)
>> 	at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:704)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
>> 	at
>> org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:510)
>> 	at
>> org.apache.jetspeed.container.invoker.ServletPortletInvoker.invoke(ServletPortletInvoker.java:213)
>> 	at
>> org.apache.jetspeed.container.invoker.ServletPortletInvoker.render(ServletPortletInvoker.java:125)
>> 	at
>> org.apache.pluto.PortletContainerImpl.renderPortlet(PortletContainerImpl.java:119)
>> 	at
>> org.apache.jetspeed.container.JetspeedPortletContainerWrapper.renderPortlet(JetspeedPortletContainerWrapper.java:120)
>> 	at
>> org.apache.jetspeed.aggregator.impl.RenderingJobImpl.execute(RenderingJobImpl.java:120)
>> 	at
>> org.apache.jetspeed.aggregator.impl.PortletRendererImpl.renderNow(PortletRendererImpl.java:110)
>> 	at
>> org.apache.jetspeed.aggregator.impl.PageAggregatorImpl.aggregateAndRender(PageAggregatorImpl.java:199)
>> 	at
>> org.apache.jetspeed.aggregator.impl.PageAggregatorImpl.aggregateAndRender(PageAggregatorImpl.java:182)
>> 	at
>> org.apache.jetspeed.aggregator.impl.PageAggregatorImpl.build(PageAggregatorImpl.java:106)
>> 	at
>> org.apache.jetspeed.aggregator.AggregatorValve.invoke(AggregatorValve.java:48)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.pipeline.valve.impl.ActionValveImpl.invoke(ActionValveImpl.java:132)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.container.ContainerValve.invoke(ContainerValve.java:76)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.decoration.DecorationValve.invoke(DecorationValve.java:100)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.profiler.impl.ProfilerValveImpl.invoke(ProfilerValveImpl.java:179)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.security.impl.LoginValidationValveImpl.invoke(LoginValidationValveImpl.java:143)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.security.impl.PasswordCredentialValveImpl.invoke(PasswordCredentialValveImpl.java:148)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.localization.impl.LocalizationValveImpl.invoke(LocalizationValveImpl.java:168)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.security.impl.AbstractSecurityValve$1.run(AbstractSecurityValve.java:117)
>> 	at java.security.AccessController.doPrivileged(Native Method)
>> 	at javax.security.auth.Subject.doAsPrivileged(Subject.java:437)
>> 	at
>> org.apache.jetspeed.security.impl.AbstractSecurityValve.invoke(AbstractSecurityValve.java:111)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.container.url.impl.PortalURLValveImpl.invoke(PortalURLValveImpl.java:55)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.capabilities.impl.CapabilityValveImpl.invoke(CapabilityValveImpl.java:128)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:203)
>> 	at
>> org.apache.jetspeed.pipeline.JetspeedPipeline.invoke(JetspeedPipeline.java:185)
>> 	at
>> org.apache.jetspeed.engine.JetspeedEngine.service(JetspeedEngine.java:231)
>> 	at
>> org.apache.jetspeed.engine.JetspeedServlet.doGet(JetspeedServlet.java:226)
>> 	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:237)
>> 	at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
>> 	at
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>> 	at
>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>> 	at
>> org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
>> 	at
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>> 	at
>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
>> 	at
>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>> 	at
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>> 	at
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
>> 	at
>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>> 	at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>> 	at
>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>> 	at
>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>> 	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
>> 	at
>> org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
>> 	at
>> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
>> 	at
>> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
>> 	at
>> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
>> 	at
>> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
>> 	at java.lang.Thread.run(Thread.java:534)
> 
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Quoted from: 
http://www.nabble.com/-jira--Created%3A-%28TOMAHAWK-887%29-Duplicate-Client-Id-tf3193349.html#a9150572