Exception Http status 500 sur JBOSS

Bonjour
Pourriez vous m'explique se qui se passe avec cette exception ?
Merci d'avance


Type Exception report

Message

Description The server encountered an internal error () that prevented it from fulfilling this request

Exception

Javax.servlet.ServletException : 1
Javax.Faces.webqpp.FacesServlet.Service (FacesServlet.java:121)
Org.apache.myfaces.component.html.util.ExtensionsFilter(ExtensionFilter.java:122)
Org.Jboss.web.tomcat.Filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

Root cause
Javax.Faces.FacesExeption :1
Org.apache.myfaces.context.servlet.ServletExternalcontextImpl.dispatch(servlet.ExternalContextImpl.java :421)
Org.apache.myfaces.application.jsp.JspTilesViewHandlerImpl.dispatch(JspTilesViewHandlerImpl.java :233)
Org.apache.myfaces.application.jsp.JspTilesViewHandlerImpl.renderView(JspTilesViewHandlerImpl.java :219)
Org.apache.myfaces.Lifecycle.lifecycleImpl.render(LifecycleImpl.java :352)
Javax.Faces.webapp.FacesServlet.Services(FacesServlet.java :107)
Org.apache.myfaces.component.html.util.ExtensionsFilter. doFilter(ExtensionFilter.java :122)
Org.Jboss.web.tomcat.Filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java :96)


Note : The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.

Citation:

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Note : The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.

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