13:09:27,506 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-
host].[/marvin]] (ContainerBackgroundProcessor[StandardEngine[jboss.web]]) Sessi
on event listener threw exception: org.jboss.weld.exceptions.IllegalStateExcepti
on: WELD-000215 Attempt to call end() on a transient conversation
        at org.jboss.weld.context.conversation.ConversationImpl.end(Conversation
Impl.java:114) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
        at org.jboss.weld.context.AbstractConversationContext.destroy(AbstractCo
nversationContext.java:303) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
        at org.jboss.weld.context.http.HttpConversationContextImpl.destroy(HttpC
onversationContextImpl.java:12) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31
]
        at org.jboss.weld.context.http.HttpSessionContextImpl.destroy(HttpSessio
nContextImpl.java:61) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]