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https://issues.apache.org/jira/browse/MYFACES-2395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fernando Silva Lozano reopened MYFACES-2395:
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I don't think this is a problem related to classpath. Maybe you was too quick
in dismissing this bug. Do you have any evidence this isactually a classpath
problem? Because my evidence tells it isn't.
JBoss supports the use of alternative JSF implementations, provided inside the
application WAR package. See that my both test apps include, on web.xml
<context-param>
<param-name>org.jboss.jbossfaces.WAR_BUNDLES_JSF_IMPL</param-name>
<param-value>true</param-value>
</context-param>
If you do that, JBoss bundled Mojarra is not visible inside the web app
classloader.
The jboss logs show that the MyFaces classes are being initialized for both
apps. And the error stack traces does not includes any Mojarra classes, only
MyFaces, eXo, Tomcat and JBoss AS ones, as expected.
By the way other portal software don't support MyFaces, telling it won't work
inside portlets without giving details. For example, Oracle iAS uses MyFaces as
the bundled JSF implementation, but Oracle Portal states you have to use the
Sun RI instead of MyFaces.
I guess this is the issue behind supporting MyFaces on portlets, because
everything I tried worked as long as there where only one JSF portlet on the
same portal page. But nothing works when there are more than one, if I do use
MyFaces.
> Cant' run two JSF portlets on the same portal page
> --------------------------------------------------
>
> Key: MYFACES-2395
> URL: https://issues.apache.org/jira/browse/MYFACES-2395
> Project: MyFaces Core
> Issue Type: Bug
> Components: Portlet_Support
> Environment: JDK 1.5, JBoss AS 4.2.3, eXo PC 2.0.5 or eXO WCM 1.0 or
> eXO WCM 1.2
> Reporter: Fernando Silva Lozano
> Assignee: Leonardo Uribe
> Attachments: hora-mundo-jsf.war, todo-jsf.war
>
>
> Running two portlets in the same portal page, using JSF and the MyFaces
> Portlet Bridge (which is the RI for JSR-301, the JSF Portlet Bridge) yelds
> the error bellow for the second portlet:
> 19:31:39,704 ERROR [portletcontainer] exception returned by processAction()
> or render() methods
> javax.portlet.PortletException: doBridgeDispatch failed: error from Bridge
> in executing the request
> at
> javax.portlet.faces.GenericFacesPortlet.doBridgeDispatch(GenericFacesPortlet.java:504)
> at
> javax.portlet.faces.GenericFacesPortlet.doRenderDispatchInternal(GenericFacesPortlet.java:456)
> at
> javax.portlet.faces.GenericFacesPortlet.doView(GenericFacesPortlet.java:231)
> at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:354)
> at
> javax.portlet.faces.GenericFacesPortlet.doDispatch(GenericFacesPortlet.java:202)
> at javax.portlet.GenericPortlet.render(GenericPortlet.java:259)
> at
> org.exoplatform.services.portletcontainer.plugins.pc.aop.PortletMethodCommand.render(PortletMethod
> Command.java:62)
> at
> org.exoplatform.services.portletcontainer.plugins.pc.aop.BaseCommandUnit.execute(BaseCommandUnit.java:46)
> ...
> Caused by: javax.portlet.faces.BridgeException:
> java.lang.ClassCastException:
> org.apache.myfaces.renderkit.RenderKitFactoryImpl
> at
> org.apache.myfaces.portlet.faces.bridge.BridgeImpl.doFacesRender(BridgeImpl.java:654)
> at
> org.apache.myfaces.portlet.faces.bridge.BridgeImpl.doFacesRequest(BridgeImpl.java:544)
> at
> javax.portlet.faces.GenericFacesPortlet.doBridgeDispatch(GenericFacesPortlet.java:501)
> ... 63 more
> Caused by: java.lang.ClassCastException:
> org.apache.myfaces.renderkit.RenderKitFactoryImpl
> at
> org.apache.myfaces.shared_impl.renderkit.RendererUtils.getResponseStateManager(RendererUtils.java:
> 1158)
> at
> org.apache.myfaces.lifecycle.DefaultRestoreViewSupport.isPostback(DefaultRestoreViewSupport.java:127)
> at
> org.apache.myfaces.lifecycle.RestoreViewExecutor.execute(RestoreViewExecutor.java:80)
> at
> org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:103)
> at
> org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:76)
> at
> org.apache.myfaces.portlet.faces.bridge.BridgeImpl.doFacesRender(BridgeImpl.java:640)
> ... 65 more
> This exception allways happen with the second portlet on the page, whichever
> it is. I tried with many portlets, but so you can reproduce the problem I'm
> attaching the wars for two very simple portlets.
> I'm filling this under MyFaces Core instead of Portlet Bridge because the
> same applications, if deployed to use Mojarra (included in JBoss AS 4.2) and
> the same portelt bridge jars, work fine.
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