[jboss-jira] [JBoss JIRA] (WFLY-10102) JCA RA inflow connections are not always well balanced

[Miroslav Novak (Jira)]

     [ https://issues.jboss.org/browse/WFLY-10102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Miroslav Novak updated WFLY-10102:
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    Affects Version/s: 14.0.0.Final


> JCA RA inflow connections are not always well balanced
> ------------------------------------------------------
>
>                 Key: WFLY-10102
>                 URL: https://issues.jboss.org/browse/WFLY-10102
>             Project: WildFly
>          Issue Type: Bug
>          Components: JMS
>    Affects Versions: 12.0.0.Final, 14.0.0.Final
>            Reporter: Erich Duda
>            Assignee: Jeff Mesnil
>            Priority: Major
>         Attachments: server1-trace.1.zip, server1-trace.2.zip, server1-trace.3.zip, server1-trace.zip, server1.zip, server2-logs.zip, server3-logs.zip, server4-logs.zip, test.log.zip
>
>
> *Scenario*
> * There are 4 Wildfly servers. Severs 1, 3 are in cluster.
> * Queue InQueue is deployed to servers 1,3.
> * Servers 2 and 4 have RA configured to connect to servers 1 and 3 server.
> * Start servers 1,3 and send 10000 (~1Kb) messages to InQueue
> * Start servers 2,4 with MDB consuming messages from InQueue and sending to OutQueue.
> * When MDBs are processing messages, restart (clean shutdown and start) servers in this order: 1,2,4,3
> * Wait until all messages are processed.
> * Measure number of consumers on InQueue on servers 1 and 3.
> * Difference between number of consumers must be <= 2.
> *Expectation:* Number of consumers on servers 1 and 3 are almost equal.
> *Reality:* Number of consumers on servers 1 and 3 are sometimes different. E.g. server 1 has 19 consumers and server 3 has 11 consumers.
> Note: this is not regression. I can see this issue also with Artemis 1.5.x.



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