[infinispan-issues] [JBoss JIRA] (ISPN-2465) Rollback sent twice in certain situations

[Mircea Markus (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-2465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12730988#comment-12730988 ] 

Mircea Markus commented on ISPN-2465:
-------------------------------------

TxCompletionForRolledBackTxOptTest counts the number of prepares, good starting point for a test. 
                
> Rollback sent twice in certain situations
> -----------------------------------------
>
>                 Key: ISPN-2465
>                 URL: https://issues.jboss.org/browse/ISPN-2465
>             Project: Infinispan
>          Issue Type: Feature Request
>          Components: Transactions
>    Affects Versions: 5.2.0.Final, 5.1.8.Final
>            Reporter: Mircea Markus
>            Assignee: Mircea Markus
>             Fix For: 6.0.0.Final
>
>
> If a prepare files e.g. due to a lock timeout, the initiating node sends a RollbackCommand before giving control back to the TransactionManager. The transaction manager might decide to invoke a rollback as well on the Synchrnization or XAResouce object, causing the rollback to be multicasted twice. This is not critical as the second Rollback is practically ignored, but unnecessary.

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