Bonjour,
Je suis entrain de developper une application web JSF en utilisant Jboss 5.1 et jbossTools et eclipse galileo, j'ai créer une page jsp pour essayer, mais dés sa deploiment sur le serveur cette message d'erreur est généré:
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09:28:15,359 INFO  [TomcatDeployment] deploy, ctxPath=/essai
09:28:15,406 INFO  [config] Initializing Mojarra (1.2_12-b01-FCS) for context '/essai'
09:29:07,093 SEVERE [lifecycle] JSF1054: (Phase ID: RENDER_RESPONSE 6, View ID: /index.jsp) Exception thrown during phase execution: javax.faces.event.PhaseEvent[source=com.sun.faces.lifecycle.LifecycleImpl@14582b8]
09:29:07,093 ERROR [[Faces Servlet]] "Servlet.service()" pour la servlet Faces Servlet a g�n�r� une exception
java.lang.NullPointerException
	at com.sun.faces.renderkit.RenderKitImpl.createResponseWriter(RenderKitImpl.java:188)
	at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:189)
	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:619)
J'ai pas compris cette erreur est du a quoii !