[jboss-jira] [JBoss JIRA] Updated: (JBCACHE-876) Region marker in region-based marshalling message should be region fqn

[Brian Stansberry (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBCACHE-876?page=all ]

Brian Stansberry updated JBCACHE-876:
-------------------------------------

    Fix Version/s:     (was: 2.0.0.GA)
                   2.0.0.BETA1

Decide whether to support this or not by Beta1.

> Region marker in region-based marshalling message should be region fqn
> ----------------------------------------------------------------------
>
>                 Key: JBCACHE-876
>                 URL: http://jira.jboss.com/jira/browse/JBCACHE-876
>             Project: JBoss Cache
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>            Reporter: Brian Stansberry
>         Assigned To: Brian Stansberry
>             Fix For: 2.0.0.BETA1
>
>
> When region based marshalling is used, the replication message first has a serialized Fqn to identify the region, followed by a separately serialized method call.  Receiver deserializes the identifier fqn and uses it to find the classloader to use to deserialize the main message.
> Problem is the region identifier Fqn is the full Fqn of a node.  This prevents the use in Fqns of classes that require the custom classloader to deserialize.
> This can be mitigated by changing the marker Fqn to simply identify the Region, not some subnode.  Now the restriction on use of custom classes is limited to the region Fqn; portions of Fqns below the region level can be of any serializable class.
> This is needed to solve JBCLUSTER-150.
> Downside is the node marshalling the message now needs to do a Region lookup to get the region Fqn.
> Upsides are a reduced message size, since the shorter region fqn is marshalled, as well as a possibly faster region lookup time on the recipient nodes, since extraneous data can be ignored.

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