[infinispan-issues] [JBoss JIRA] (ISPN-4444) After state transfer, a node is able to read keys it no longer owns from its data container

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-4444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13021158#comment-13021158 ] 

RH Bugzilla Integration commented on ISPN-4444:
-----------------------------------------------

Tristan Tarrant <ttarrant at redhat.com> changed the Status of [bug 1163665|https://bugzilla.redhat.com/show_bug.cgi?id=1163665] from NEW to ASSIGNED

> After state transfer, a node is able to read keys it no longer owns from its data container
> -------------------------------------------------------------------------------------------
>
>                 Key: ISPN-4444
>                 URL: https://issues.jboss.org/browse/ISPN-4444
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core, State Transfer
>    Affects Versions: 7.0.0.Alpha4
>            Reporter: Dan Berindei
>            Assignee: Pedro Ruivo
>            Priority: Critical
>             Fix For: 7.1.0.Alpha1
>
>
> When state transfer ends and each node receives a CH_UPDATE command from the coordinator, it first installs the new topology and then it starts invalidating entries it no longer owns.
> However, there are two cases when the node can still read its stale values:
> 1. If L1 is enabled, it will look in the local DataContainer first, regardless of the key's location.
> 2. If L1 is disabled, but the key was removed on the new owners, the node will still look up the key in the local DataContainer after receiving a null response.
> The problem can be reproduced with {{TxReadAfterLosingOwnershipTest}} and its subclasses, by replacing the {{operation.update(cache(1));}} line with {{operation.update(cache(0));}}



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