[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-1681) NPE thrown when tomcat shutsdown

[Michael Youngstrom (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBSEAM-1681?page=comments#action_12369127 ] 
            
Michael Youngstrom commented on JBSEAM-1681:
--------------------------------------------

A similar exception appears to be thrown for my other Components:


java.lang.NullPointerException
	at org.jboss.seam.contexts.BasicContext.get(BasicContext.java:48)
	at org.jboss.seam.Component.forName(Component.java:1709)
	at org.jboss.seam.Component.getInstance(Component.java:1757)
	at org.jboss.seam.Component.getInstance(Component.java:1752)
	at org.jboss.seam.Component.getInstance(Component.java:1729)
	at org.jboss.seam.Component.getInstance(Component.java:1724)
	at org.jboss.seam.core.Events.instance(Events.java:154)
	at org.jboss.seam.core.Events.exists(Events.java:149)
	at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:236)
	at org.jboss.seam.contexts.Lifecycle.endCall(Lifecycle.java:91)
	at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:120)
	at org.jboss.seam.intercept.RootInterceptor.invokeAndHandle(RootInterceptor.java:84)
	at org.jboss.seam.intercept.JavaBeanInterceptor.callPrePassivate(JavaBeanInterceptor.java:131)
	at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:73)
	at org.lds.stack.petstore.view.bean.PetSearchBean_$$_javassist_0.sessionWillPassivate(PetSearchBean_$$_javassist_0.java)
	at org.apache.catalina.session.StandardSession.passivate(StandardSession.java:774)
	at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:516)
	at org.apache.catalina.session.StandardManager.unload(StandardManager.java:463)
	at org.apache.catalina.session.StandardManager.stop(StandardManager.java:667)
	at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4363)
	at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1067)
	at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1067)
	at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448)
	at org.apache.catalina.core.StandardService.stop(StandardService.java:510)
	at org.apache.catalina.core.StandardServer.stop(StandardServer.java:734)
	at org.apache.catalina.startup.Catalina.stop(Catalina.java:602)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:577)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)

> NPE thrown when tomcat shutsdown
> --------------------------------
>
>                 Key: JBSEAM-1681
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-1681
>             Project: JBoss Seam
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.0.0.CR1
>            Reporter: Michael Youngstrom
>             Fix For: 2.0.0.CR1
>
>
> I'm running Seam in tomcat 5.5.23.  When I shutdown I get an NPE.  It appears that contextDestroyed is being called before tomcat does the session passivation.  Any opinions on the best way to deal with this?  It's obviously fairly harmless but the message is semi annoying?
> java.lang.NullPointerException
> 	at org.jboss.seam.contexts.BasicContext.get(BasicContext.java:48)
> 	at org.jboss.seam.Component.forName(Component.java:1709)
> 	at org.jboss.seam.Component.getInstance(Component.java:1757)
> 	at org.jboss.seam.Component.getInstance(Component.java:1752)
> 	at org.jboss.seam.Component.getInstance(Component.java:1729)
> 	at org.jboss.seam.Component.getInstance(Component.java:1724)
> 	at org.jboss.seam.core.Events.instance(Events.java:154)
> 	at org.jboss.seam.core.Events.exists(Events.java:149)
> 	at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:236)
> 	at org.jboss.seam.contexts.Lifecycle.endCall(Lifecycle.java:91)
> 	at org.jboss.seam.persistence.ManagedPersistenceContext.sessionWillPassivate(ManagedPersistenceContext.java:157)
> 	at org.apache.catalina.session.StandardSession.passivate(StandardSession.java:774)
> 	at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:516)
> 	at org.apache.catalina.session.StandardManager.unload(StandardManager.java:463)
> 	at org.apache.catalina.session.StandardManager.stop(StandardManager.java:667)
> 	at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4363)
> 	at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1067)
> 	at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1067)
> 	at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448)
> 	at org.apache.catalina.core.StandardService.stop(StandardService.java:510)
> 	at org.apache.catalina.core.StandardServer.stop(StandardServer.java:734)
> 	at org.apache.catalina.startup.Catalina.stop(Catalina.java:602)
> 	at org.apache.catalina.startup.Catalina.start(Catalina.java:577)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:585)
> 	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
> 	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)

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