[jboss-jira] [JBoss JIRA] (JGRP-1932) Race condition - MERGE2 with TUNNEL transport is not merging

[Bela Ban (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-1932?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban updated JGRP-1932:
---------------------------
    Fix Version/s: 3.6.4


Applied PR, thanks.

> Race condition - MERGE2 with TUNNEL transport is not merging
> ------------------------------------------------------------
>
>                 Key: JGRP-1932
>                 URL: https://issues.jboss.org/browse/JGRP-1932
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 3.6.3
>            Reporter: Tomas Hofman
>            Assignee: Bela Ban
>             Fix For: 3.6.4
>
>
> When using TUNNEL transport with MERGE2 discovery protocol, cluster merge doesn't happen.
> Problem seems to be in MERGE2.FindSubgroupsTask.fetchViews() method, which returns immediately after sending multicast discovery request instead of waiting for reply(ies). This is in contradiction with its' contract: "Returns when either discovery_timeout ms have elapsed or more than 1 different view has been found".
> Different views are therefore not detected and MERGE event is not generated.
> Everything works fine when using MERGE3 discovery protocol instead.



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