[jboss-jira] [JBoss JIRA] (JGRP-2421) Don't log an IllegalArgumentException when receiving an invalid delta view

[Bela Ban (Jira)]

     [ https://issues.redhat.com/browse/JGRP-2421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban updated JGRP-2421:
---------------------------
    Fix Version/s: 4.2.0
                       (was: 4.1.9)


> Don't log an IllegalArgumentException when receiving an invalid delta view
> --------------------------------------------------------------------------
>
>                 Key: JGRP-2421
>                 URL: https://issues.redhat.com/browse/JGRP-2421
>             Project: JGroups
>          Issue Type: Enhancement
>    Affects Versions: 4.1.6
>            Reporter: Dan Berindei
>            Assignee: Bela Ban
>            Priority: Minor
>             Fix For: 4.2.0
>
>
> When the cluster is unstable but not because of the network (e.g. excessive load and long GC pauses), a suspected node can keep receiving view updates long after it was excluded from the view. 
> The first view triggers a warning about not being a member, but because later delta-views cannot be reconstructed, their warnings look much worse, even though they're about the same thing.
> {noformat}
> 11:31:05,281 WARN  [org.jgroups.protocols.pbcast.GMS] (jgroups-79,edg-perf03-47882) edg-perf03-47882: not member of view [edg-perf01-21541|6]; discarding it
> 11:31:16,267 WARN  [org.jgroups.protocols.pbcast.GMS] (jgroups-80,edg-perf03-47882) edg-perf03-47882: failed to create view from delta-view; dropping view: java.lang.IllegalStateException: the view-id of the delta view ([edg-perf01-21541|6]) doesn't match the current view-id ([edg-perf01-21541|5]); discarding delta view [edg-perf01-21541|7], ref-view=[edg-perf01-21541|6], left=[edg-perf06-47720]
> {noformat}
> Maybe GMS could keep track of when it receives a view in which it is not a member and stop processing delta views from that node?



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