[jboss-jira] [JBoss JIRA] Updated: (JGRP-1027) Race conditions can have NAKACK try to send to hosts don't have a receiver window yet

[Bela Ban (JIRA)]

     [ https://jira.jboss.org/jira/browse/JGRP-1027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban updated JGRP-1027:
---------------------------

    Fix Version/s: 2.10
                       (was: 2.9)


> Race conditions can have NAKACK try to send to hosts don't have a receiver window yet 
> --------------------------------------------------------------------------------------
>
>                 Key: JGRP-1027
>                 URL: https://jira.jboss.org/jira/browse/JGRP-1027
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 2.6.12
>            Reporter: Gray Watson
>            Assignee: Bela Ban
>            Priority: Minor
>             Fix For: 2.10
>
>         Attachments: NAKACK.java.patch, NAKACKEarlyTest.java, NAKACKEarlyTest.java
>
>
> We have seen NPEs in NAKACK trying to send to hosts who do not have a registered receiver window.  I'd like to apply the attached patch which does a better job of creating a receiver window on the fly in these circumstances.  One issue what the sequence number should be initialize to -- the patch uses 0 which has worked for us.
> Thanks,

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