[jboss-jira] [JBoss JIRA] (WFLY-8488) Usage of JGroups JDBC_PING attempts to delete row too late

Radoslav Husar (JIRA) issues at jboss.org
Sat Apr 1 10:18:00 EDT 2017


    [ https://issues.jboss.org/browse/WFLY-8488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13387585#comment-13387585 ] 

Radoslav Husar commented on WFLY-8488:
--------------------------------------

[~meetoblivion] Can you reproduce on master? Did you set the datasource reference on JDBC_PING protocol resource? e.g. /subsystem=jgroups/stack=tcp/protocol=JDBC_PING:add(data-source=ExampleDS) If that still fails, can you post configuration and stack trace?

> Usage of JGroups JDBC_PING attempts to delete row too late
> ----------------------------------------------------------
>
>                 Key: WFLY-8488
>                 URL: https://issues.jboss.org/browse/WFLY-8488
>             Project: WildFly
>          Issue Type: Bug
>          Components: Clustering
>    Affects Versions: 10.1.0.Final
>            Reporter: John Ament
>            Assignee: Paul Ferraro
>
> I was recently working on spinning up a Keycloak cluster.  We're deployed to AWS, can't leverage UDP and wanted to have a discovery mechanism that was easy to use, so tried out JDBC_PING.  While I got the cluster running, when shutting down a node I would receive an exception on the console when attempting to remove the node from the cluster.  It attempts to do a delete on the row in the database after the DataSource has been shut down.
> In my setup, I'm pointing JGroups at the same DataSource as Keycloak, I'm not using the properties approach.  I can switch to the properties approach, but I would prefer a single pool rather than multiple connections.



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