Thanks for the supersonic reply !
Stack Trace :
01:11:04,328 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/MessagerieJSF].[Faces Servlet]] "Servlet.service()" pour la servlet Faces Servlet a généré une exception: java.lang.ClassNotFoundException: org.jdom.JDOMException from BaseClassLoader@1e1ebbf6{vfs:///home/hassamabdel/Rendu/.metadata/.plugins/org.jboss.ide.eclipse.as.core/JBoss_6.x_Runtime_Server1337700402160/deploy/Webmail.ear/WebmailJSF.war/}
at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:480) [jboss-classloader.jar:
2.2.1.GA]
at java.lang.ClassLoader.loadClass(ClassLoader.java:266) [:1.6.0_23]
at com.sun.syndication.io.SyndFeedInput.<init>(SyndFeedInput.java:57) [:0.9]
at com.sun.syndication.io.SyndFeedInput.<init>(SyndFeedInput.java:47) [:0.9]
at com.googlecode.mashups.services.yahoo.impl.YahooWeatherServiceImpl.getWeatherStatus(YahooWeatherServiceImpl.java:43) [:]
at com.googlecode.mashups4jsf.component.yahoo.YahooWeatherRenderer.encodeEnd(YahooWeatherRenderer.java:77) [:]
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:879) [:2.0.3-]
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1650) [:2.0.3-]
at javax.faces.render.Renderer.encodeChildren(Renderer.java:164) [:2.0.3-]
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:849) [:2.0.3-]
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1643) [:2.0.3-]
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1646) [:2.0.3-]
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1646) [:2.0.3-]
at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:389) [:2.0.3-]
at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:127) [:2.0.3-]
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:269) [:2.0.3-]
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:269) [:2.0.3-]
at org.apache.myfaces.tomahawk.application.ResourceViewHandlerWrapper.renderView(ResourceViewHandlerWrapper.java:93) [:1.1.13]
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:117) [:2.0.3-]
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:97) [:2.0.3-]
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:135) [:2.0.3-]
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:309) [:2.0.3-]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324) [:6.1.0.Final]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.1.0.Final]
at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:357) [:1.1.13]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274) [:6.1.0.Final]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.1.0.Final]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [:6.1.0.Final]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [:6.1.0.Final]
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181) [:6.1.0.Final]
at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285) [:1.1.0.Final]
at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261) [:1.1.0.Final]
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88) [:6.1.0.Final]
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100) [:6.1.0.Final]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:159) [:6.1.0.Final]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [:6.1.0.Final]
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) [:6.1.0.Final]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [:6.1.0.Final]
at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53) [:6.1.0.Final]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [:6.1.0.Final]
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [:6.1.0.Final]
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654) [:6.1.0.Final]
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951) [:6.1.0.Final]
at java.lang.Thread.run(Thread.java:679) [:1.6.0_23]
java.lang.ClassNotFoundException: org.jdom.JDOMException from BaseClassLoader@1e1ebbf6{vfs:///home/hassamabdel/Rendu/.metadata/.plugins/org.jboss.ide.eclipse.as.core/JBoss_6.x_Runtime_Server1337700402160/deploy/Messagerie.ear/MessagerieJSF.war/}
org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:480)
java.lang.ClassLoader.loadClass(ClassLoader.java:266)
com.sun.syndication.io.SyndFeedInput.<init>(SyndFeedInput.java:57)
com.sun.syndication.io.SyndFeedInput.<init>(SyndFeedInput.java:47)
com.googlecode.mashups.services.yahoo.impl.YahooWeatherServiceImpl.getWeatherStatus(YahooWeatherServiceImpl.java:43)
com.googlecode.mashups4jsf.component.yahoo.YahooWeatherRenderer.encodeEnd(YahooWeatherRenderer.java:77)
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:879)
javax.faces.component.UIComponent.encodeAll(UIComponent.java:1650)
javax.faces.render.Renderer.encodeChildren(Renderer.java:164)
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:849)
javax.faces.component.UIComponent.encodeAll(UIComponent.java:1643)
javax.faces.component.UIComponent.encodeAll(UIComponent.java:1646)
javax.faces.component.UIComponent.encodeAll(UIComponent.java:1646)
com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:389)
com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:127)
javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:269)
javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:269)
org.apache.myfaces.tomahawk.application.ResourceViewHandlerWrapper.renderView(ResourceViewHandlerWrapper.java:93)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:117)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:97)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:135)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:309)
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:357)
Why did Jboss ask for Jdom ??