[infinispan-issues] [JBoss JIRA] (ISPN-5076) Pessimistic transactions can lose their locks when the primary owner changes

[Dan Berindei (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-5076?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Berindei updated ISPN-5076:
-------------------------------
    Status: Open  (was: New)


> Pessimistic transactions can lose their locks when the primary owner changes
> ----------------------------------------------------------------------------
>
>                 Key: ISPN-5076
>                 URL: https://issues.jboss.org/browse/ISPN-5076
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core, State Transfer
>    Affects Versions: 7.0.2.Final, 7.1.0.Alpha1
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>            Priority: Critical
>             Fix For: 7.1.0.Final
>
>
> In a pessimistic cache, if a transaction {{T1}} has a {{put(k, v})}} operation and the primary owner of the key is the originator, the lock is acquired on the originator but it is not replicated to on the backup(s).
> If one of the backup owners becomes the primary owner, it will allow another transaction {{T2}} to lock (and update) key {{k}} before it receives the one-phase prepare command from the originator of {{T1}}.



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