[jboss-jira] [JBoss JIRA] Resolved: (JGRP-857) UDP transport to attempt to validate ability to receive own multicast

[Bela Ban (JIRA)]

     [ https://jira.jboss.org/jira/browse/JGRP-857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban resolved JGRP-857.
---------------------------

    Resolution: Done


Solved by checking in PING and MPING whether own discovery requests are received - if not, log a WARN

> UDP transport to attempt to validate ability to receive own multicast
> ---------------------------------------------------------------------
>
>                 Key: JGRP-857
>                 URL: https://jira.jboss.org/jira/browse/JGRP-857
>             Project: JGroups
>          Issue Type: Feature Request
>            Reporter: Brian Stansberry
>            Assignee: Bela Ban
>            Priority: Minor
>             Fix For: 2.6.7, 2.7
>
>
> One category of errors JGroups users see is improperly configured multicast on the interface the transport is using.
> Could the UDP transport help here? Perhaps send a multicast message during the channel connect phase, and block a short period on a future waiting to receive your own message.  If the message isn't received, log an ERROR with a nice helpful diagnostic.
> Probably set a timeout for how long to wait with a default that disables this.

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