[jboss-jira] [JBoss JIRA] (JGRP-2262) "Frozen" coordinator causes the whole cluster to hang

[Pietro Paolini (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-2262?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pietro Paolini updated JGRP-2262:
---------------------------------
    Attachment: jdbc_test.xml


> "Frozen" coordinator causes the whole cluster to hang
> -----------------------------------------------------
>
>                 Key: JGRP-2262
>                 URL: https://issues.jboss.org/browse/JGRP-2262
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 3.6.7
>            Reporter: Pietro Paolini
>            Assignee: Bela Ban
>         Attachments: jdbc_test.xml, jgroup.zip
>
>
> This is the result of an investigation I carried out about a problem we have experienced within our
> application, in this scenario it has been re-created by pausing the JVM using a debugger.
> The discovery mechanism is JDBC_PING.
> If the coordinator's JVM gets fronzen (for whatever reason) before the coordinator sets itself as the cluster coordinator and another node is started after that it will be unable to join the cluster and it will hang indefinitely.
> This seems to be caused by the "continue" statement at
> https://github.com/belaban/JGroups/blob/master/src/org/jgroups/protocols/pbcast/ClientGmsImpl.java:92
> I have prepared a simple application which can help in replicating the problem but unfortunately I can't upload it on Jira as it complains because of a "missing token".



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