[jboss-jira] [JBoss JIRA] (JGRP-1382) VERIFY_SUSPECT can kick a live node soon after it re-joins

Dennis Reed (Created) (JIRA) jira-events at lists.jboss.org
Mon Oct 31 18:50:45 EDT 2011


VERIFY_SUSPECT can kick a live node soon after it re-joins
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                 Key: JGRP-1382
                 URL: https://issues.jboss.org/browse/JGRP-1382
             Project: JGroups
          Issue Type: Bug
    Affects Versions: 2.6.20
            Reporter: Dennis Reed
            Assignee: Dennis Reed


Due to a timing issue, VERIFY_SUSPECT can kick a good member from the cluster soon after joining.

A live node currently in the cluster stops responding temporarily (garbage collection, NIC down, etc).
FD sends up a suspect message to VERIFY_SUSPECT.
VERIFY_SUSPECT times out and sends up the suspect message.
Before the node is kicked from the cluster, FD sends up another suspect message to VERIFY_SUSPECT.
Node is kicked from the cluster.
Node resumes, is shunned, and rejoins.
VERIFY_SUSPECT times out and sends up the suspect message.
Node is kicked from the cluster again.


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