[richfaces-issues] [JBoss JIRA] (RF-11894) PushHandlerFilter initialization fails when PushServlet registered manually

[Lukáš Fryč (JIRA)]

    [ https://issues.jboss.org/browse/RF-11894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12660129#comment-12660129 ] 

Lukáš Fryč commented on RF-11894:
---------------------------------

Solution is initialize {{SessionManager}} reference lazily.
                
> PushHandlerFilter initialization fails when PushServlet registered manually
> ---------------------------------------------------------------------------
>
>                 Key: RF-11894
>                 URL: https://issues.jboss.org/browse/RF-11894
>             Project: RichFaces
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: core
>    Affects Versions: 4.1.0.Final
>            Reporter: Lukáš Fryč
>            Assignee: Lukáš Fryč
>             Fix For: 4.2.0.CR1
>
>
> When {{PushContext}} is not touched before the {{PushHandlerImpl}} is initialized, {{SessionManager}} is not stored in the {{ServletContext}} attributes and initialization fails.
> {{NullPointerException}} is thrown in this case:
> {code}
> 12:55:43,883 ERROR [stderr] (MSC service thread 1-3) java.lang.NullPointerException
> 12:55:43,883 ERROR [stderr] (MSC service thread 1-3) 	at org.richfaces.webapp.PushHandlerFilter.init(PushHandlerFilter.java:64)
> 12:55:43,883 ERROR [stderr] (MSC service thread 1-3) 	at org.atmosphere.util.AtmosphereFilterChain.init(AtmosphereFilterChain.java:105)
> 12:55:43,884 ERROR [stderr] (MSC service thread 1-3) 	at org.atmosphere.handler.ReflectorServletProcessor$FilterChainServletWrapper.init(ReflectorServletProcessor.java:273)
> 12:55:43,884 ERROR [stderr] (MSC service thread 1-3) 	at org.atmosphere.handler.ReflectorServletProcessor.init(ReflectorServletProcessor.java:164)
> 12:55:43,884 ERROR [stderr] (MSC service thread 1-3) 	at org.atmosphere.cpr.AtmosphereServlet.initAtmosphereHandler(AtmosphereServlet.java:813)
> 12:55:43,884 ERROR [stderr] (MSC service thread 1-3) 	at org.atmosphere.cpr.AtmosphereServlet.init(AtmosphereServlet.java:566)
> 12:55:43,884 ERROR [stderr] (MSC service thread 1-3) 	at org.richfaces.webapp.PushServlet.init(PushServlet.java:98)
> 12:55:43,884 ERROR [stderr] (MSC service thread 1-3) 	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1202)
> 12:55:43,884 ERROR [stderr] (MSC service thread 1-3) 	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1102)
> 12:55:43,884 ERROR [stderr] (MSC service thread 1-3) 	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3631)
> 12:55:43,885 ERROR [stderr] (MSC service thread 1-3) 	at org.apache.catalina.core.StandardContext.start(StandardContext.java:3844)
> 12:55:43,885 ERROR [stderr] (MSC service thread 1-3) 	at org.jboss.as.web.deployment.WebDeploymentService.start(WebDeploymentService.java:70)
> 12:55:43,885 ERROR [stderr] (MSC service thread 1-3) 	at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1824)
> 12:55:43,885 ERROR [stderr] (MSC service thread 1-3) 	at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1759)
> 12:55:43,885 ERROR [stderr] (MSC service thread 1-3) 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 12:55:43,885 ERROR [stderr] (MSC service thread 1-3) 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 12:55:43,885 ERROR [stderr] (MSC service thread 1-3) 	at java.lang.Thread.run(Thread.java:662)
> {code}

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