[seam-issues] [JBoss JIRA] (SEAMSOCIAL-19) WebClient example NPE in MultiServicesManagerImpl.connectCurrentService on facebook callback

Antoine Sabot-Durand (Commented) (JIRA) jira-events at lists.jboss.org
Thu Oct 27 22:43:45 EDT 2011 

    [ https://issues.jboss.org/browse/SEAMSOCIAL-19?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12638203#comment-12638203 ] 

Antoine Sabot-Durand commented on SEAMSOCIAL-19:
------------------------------------------------

I'm unable to reproduce this bug. Have you experienced it with a stable version of JBoss ?
                
> WebClient example NPE in MultiServicesManagerImpl.connectCurrentService on facebook callback
> --------------------------------------------------------------------------------------------
>
>                 Key: SEAMSOCIAL-19
>                 URL: https://issues.jboss.org/browse/SEAMSOCIAL-19
>             Project: Seam Social
>          Issue Type: Bug
>          Components: Facebook
>         Environment: jboss-as-7.1.0.Alpha1-SNAPSHOT, 3.0.0-SNAPSHOT revision 54570b8e1267b00b76c60b0345fe79d5d2b175ef
>            Reporter: Marek Schmidt
>            Assignee: Antoine Sabot-Durand
>
> Sometimes (but not always, but happened more than once... ) after a redirect from Facebook login, I see the following exception instead of the webclient callback page:
> I could not reproduce it by aggresive clicking after it happened, so I suspect it may occur after some session times out somewhere...
> also, I am not sure it is facebook-specific or not.
> {noformat}
> 15:52:38,299 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/social-web-client].[Faces Servlet]] (http--127.0.0.1-8080-5) Servlet.service() for servlet Faces Servlet threw exception: java.lang.NullPointerException
> 	at org.jboss.seam.social.core.MultiServicesManagerImpl.connectCurrentService(MultiServicesManagerImpl.java:118) [seam-social-3.0.0-SNAPSHOT.jar:]
> 	at org.jboss.seam.social.examples.webclient.SocialClient.connectCurrentService(SocialClient.java:103) [classes:]
> 	at org.jboss.seam.social.examples.webclient.SocialClient$Proxy$_$$_WeldClientProxy.connectCurrentService(SocialClient$Proxy$_$$_WeldClientProxy.java) [classes:]
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [:1.6.0_24]
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) [:1.6.0_24]
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [:1.6.0_24]
> 	at java.lang.reflect.Method.invoke(Method.java:597) [:1.6.0_24]
> 	at org.apache.el.parser.AstValue.invoke(AstValue.java:196) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:43) [weld-core-1.1.2.Final.jar:2011-07-26 15:02]
> 	at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:56) [weld-core-1.1.2.Final.jar:2011-07-26 15:02]
> 	at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105) [jsf-impl-2.0.4-b09-jbossorg-4.jar:2.0.4-b09-jbossorg-4]
> 	at com.sun.faces.facelets.tag.jsf.core.DeclarativeSystemEventListener.processEvent(EventHandler.java:128) [jsf-impl-2.0.4-b09-jbossorg-4.jar:2.0.4-b09-jbossorg-4]
> 	at javax.faces.component.UIComponent$ComponentSystemEventListenerAdapter.processEvent(UIComponent.java:2477) [jboss-jsf-api_2.0_spec-1.0.0.Final.jar:1.0.0.Final]
> 	at javax.faces.event.SystemEvent.processListener(SystemEvent.java:106) [jboss-jsf-api_2.0_spec-1.0.0.Final.jar:1.0.0.Final]
> 	at com.sun.faces.application.ApplicationImpl.processListeners(ApplicationImpl.java:2102) [jsf-impl-2.0.4-b09-jbossorg-4.jar:2.0.4-b09-jbossorg-4]
> 	at com.sun.faces.application.ApplicationImpl.invokeComponentListenersFor(ApplicationImpl.java:2050) [jsf-impl-2.0.4-b09-jbossorg-4.jar:2.0.4-b09-jbossorg-4]
> 	at com.sun.faces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:287) [jsf-impl-2.0.4-b09-jbossorg-4.jar:2.0.4-b09-jbossorg-4]
> 	at com.sun.faces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:245) [jsf-impl-2.0.4-b09-jbossorg-4.jar:2.0.4-b09-jbossorg-4]
> 	at org.jboss.as.weld.webtier.jsf.ForwardingApplication.publishEvent(ForwardingApplication.java:293) [jboss-as-weld-7.1.0.Alpha1-SNAPSHOT.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:108) [jsf-impl-2.0.4-b09-jbossorg-4.jar:2.0.4-b09-jbossorg-4]
> 	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) [jsf-impl-2.0.4-b09-jbossorg-4.jar:2.0.4-b09-jbossorg-4]
> 	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139) [jsf-impl-2.0.4-b09-jbossorg-4.jar:2.0.4-b09-jbossorg-4]
> 	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:313) [jboss-jsf-api_2.0_spec-1.0.0.Final.jar:1.0.0.Final]
> 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.jboss.weld.servlet.ConversationPropagationFilter.doFilter(ConversationPropagationFilter.java:67) [weld-core-1.1.2.Final.jar:2011-07-26 15:02]
> 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.jboss.as.web.NamingValve.invoke(NamingValve.java:57) [jboss-as-web-7.1.0.Alpha1-SNAPSHOT.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:154) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:667) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:952) [jbossweb-7.0.1.Final.jar:7.1.0.Alpha1-SNAPSHOT]
> 	at java.lang.Thread.run(Thread.java:662) [:1.6.0_24]
> {noformat}

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