[infinispan-issues] [JBoss JIRA] (ISPN-3443) WriteCommand may be ignored during state transfer

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-3443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12812907#comment-12812907 ] 

RH Bugzilla Integration commented on ISPN-3443:
-----------------------------------------------

Tristan Tarrant <ttarrant at redhat.com> changed the Status of [bug 1001634|https://bugzilla.redhat.com/show_bug.cgi?id=1001634] from POST to MODIFIED
                
> WriteCommand may be ignored during state transfer
> -------------------------------------------------
>
>                 Key: ISPN-3443
>                 URL: https://issues.jboss.org/browse/ISPN-3443
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Locking and Concurrency, State transfer
>    Affects Versions: 6.0.0.Alpha3
>            Reporter: Radim Vansa
>            Assignee: Dan Berindei
>            Priority: Blocker
>              Labels: jdg62blocker
>             Fix For: 6.0.0.CR1
>
>
> Distributed sync non-tx cache.
> Situation:
> 1) A node is joining the cluster, requesting some segment
> 2) RemoveCommand is sent to backup owner with ignorePreviousValue=true
> 3) It looks up the entry and finds null
> 4) State transfer invokes the PutKeyValueCommand and sets the value for removed entry (updateKeys has not the key yet)
> 5) RemoveCommand adds its key to updateKeys set, but it does not remove the value as it is already null (in its context)
> Result: the value is removed on primary but on backup this is still present

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