[jboss-jira] [JBoss JIRA] (JGRP-1823) MessageDispatcher expects a response from the local node with DONT_LOOPBACK

[Bela Ban (JIRA)]

    [ https://issues.jboss.org/browse/JGRP-1823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12959974#comment-12959974 ] 

Bela Ban commented on JGRP-1823:
--------------------------------

[~dan.berindei] So you have \{A,B,C\}, and A invokes an RPC that should exclude itself ? The change afaics is that you *don't* use the exclusion list to exclude A, but set the DONT_LOOPBACK flag ? 
That's IMO an incorrect use of DONT_LOOPBACK... However, as the correct use would force you to use the DONT_LOOPBACK flag *and* an exclusion list, I'll optimize the exclusion list away.
SOLUTION:
If DONT_LOOPBACK is set, remove the sender's address from {{real_dests}}.
                
> MessageDispatcher expects a response from the local node with DONT_LOOPBACK
> ---------------------------------------------------------------------------
>
>                 Key: JGRP-1823
>                 URL: https://issues.jboss.org/browse/JGRP-1823
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 3.5
>            Reporter: Dan Berindei
>            Assignee: Bela Ban
>             Fix For: 3.5
>
>
> MessageDispatcher doesn't remove the local node from the `real_dests` collection when using DONT_LOOPBACK, and that causes RPCs broadcasted to the entire cluster to time out.

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