[jboss-jira] [JBoss JIRA] (AS7-2076) serialization of extended persistence context

[Scott Marlow (Commented) (JIRA)]

    [ https://issues.jboss.org/browse/AS7-2076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12651671#comment-12651671 ] 

Scott Marlow commented on AS7-2076:
-----------------------------------

switched to a new branch https://github.com/scottmarlow/jboss-as/tree/cluster4

Currently, I'm hitting a classloading problem during deserialization.  The TCCL is the JPA module.  I have the app module identifier and need to load the app module classloader with it (don't know how yet).  And then switch the TCCL to that.

Also need to add a new Hibernate property (hibernate.entity_manager_factory_name) for HHH-6897 and use that same property in AS7.  This will specify the EMF name, so it can be looked up.  The other part of the HHH-6897 change is defaulting the EMF name to the PU name (which we will override with the fully application scoped PU name).

I need to investigate AS7-2703, to see if there is any work there for us.
                
> serialization of extended persistence context
> ---------------------------------------------
>
>                 Key: AS7-2076
>                 URL: https://issues.jboss.org/browse/AS7-2076
>             Project: Application Server 7
>          Issue Type: Task
>          Components: JPA / Hibernate
>    Affects Versions: 7.1.0.Alpha1
>            Reporter: Scott Marlow
>            Assignee: Scott Marlow
>            Priority: Blocker
>             Fix For: 7.1.0.Final
>
>
> Currently, SFSBXPCMap directly references ExtendedEntityManager.  ExtendedEntityManager implements the extended persistence context (contains a direct reference of the underlying persistence context.
> To support serialization.  SFSBXPCMap should instead reference the XPC via an uuid (or something like that), that can be used to get the XPC (if SFSB is in activated state).
> Note EJB 3.1 specification section 4.2.1 titled Instance Passivation and Conversational State:
> "
> A container must not passivate a stateful session bean with an extended persistence context unless the
> following conditions are met:[9]
>  * All the entities in the persistence context are serializable.
>  * The EntityManager is serializable.
> [9] The container is not permitted to destroy a stateful session bean instance because it does not meet these requirements.
> "

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