[jboss-jira] [JBoss JIRA] (JGRP-1641) RSVP: passing up a message batch with some RSVP messages causes incorrect ordering

[Bela Ban (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-1641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban resolved JGRP-1641.
----------------------------

    Resolution: Done

    
> RSVP: passing up a message batch with some RSVP messages causes incorrect ordering
> ----------------------------------------------------------------------------------
>
>                 Key: JGRP-1641
>                 URL: https://issues.jboss.org/browse/JGRP-1641
>             Project: JGroups
>          Issue Type: Bug
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 3.3.1, 3.4
>
>
> If we have a batch of messages 5-10 and message 7 is tagged as RSVP, then the logic in RSVP.up(MessageBatch) will do the following:
> * Iterate through the batch
>   * If a message is marked as RSVP: remove it and pass it up (msg 7)
> * The pass the batch up
> * This means we'll pass up message 7 first, then messages 5,6,8,9,10
> --> Incorrect order
> SOLUTION:
> * We cannot pass up RSVP messages directly
> * Instead, remember the RSVP IDs of the messages in the batch which were marked as RSVP
> * When done, send an RSVP response for each of these IDs

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