[infinispan-issues] [JBoss JIRA] (ISPN-11614) PersistenceMarshaller should utilise an independent SerializationContext for user types

[Ryan Emerson (Jira)]

    [ https://issues.redhat.com/browse/ISPN-11614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14368053#comment-14368053 ] 

Ryan Emerson commented on ISPN-11614:
-------------------------------------

Isolating the user and internal serialization contexts introduces a binary incompatibility between Infinispan 11 and 12 stores, as previously user objects marshalled via protostream were not wrapped in a `MarshallableUserObject` wrapper. To overcome this incompatibility, it's necessary for existing Infinispan 11 stores to be converted on startup. Currently there is no way of determining the version of Infinispan used to create Jdbc and RocksDB store's, therefore we need to add this capability via https://issues.redhat.com/browse/ISPN-12204 and https://issues.redhat.com/browse/ISPN-12205.

> PersistenceMarshaller should utilise an independent SerializationContext for user types
> ---------------------------------------------------------------------------------------
>
>                 Key: ISPN-11614
>                 URL: https://issues.redhat.com/browse/ISPN-11614
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 10.1.5.Final, 11.0.0.Dev03
>            Reporter: Ryan Emerson
>            Assignee: Ryan Emerson
>            Priority: Major
>
> If a user configures a SerializationContextInitializer it is currently registered to the same SerializationContext as the persistent internal types. This means that it is possible for a user to reference internal protobuf message types in their .proto files. We should utilise a seperate SerializationContext to ensure that these types are truly indepdenent.



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