[infinispan-issues] [JBoss JIRA] (ISPN-6806) Exception serializing L1InternalCacheEntry during state transfer

[Dan Berindei (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-6806?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on ISPN-6806 started by Dan Berindei.
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> Exception serializing L1InternalCacheEntry during state transfer
> ----------------------------------------------------------------
>
>                 Key: ISPN-6806
>                 URL: https://issues.jboss.org/browse/ISPN-6806
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 7.2.5.Final, 9.0.0.Alpha2, 8.2.2.Final
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>             Fix For: 8.1.5.Final, 9.0.0.Final, 8.2.5.Final
>
>
> {{L1InternalCacheEntry}} is not serializable, as only entries properly owned by the node are supposed to be sent via state transfer.
> However, when the last owner of a segment leaves the cluster, one of the other nodes becomes the owner of that segment, and the L1 entries it already has suddenly become part of the state it can send to other nodes. It then fails to send its state with this exception:
> {noformat}
> [org.infinispan.marshall.core.VersionAwareMarshaller] (transport-thread--p19-t14) Object is not serializable: java.io.NotSerializableException: org.infinispan.container.entries.L1InternalCacheEntry
> {noformat}
> This can happen quite often if L1 is enabled and {{numOwners = 1}}.
> Unfortunately, the serialization exception isn't propagated, and all the user sees is an initial state transfer timeout exception when trying to start another node later.



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