[jira] [Closed] (AMQ-6634) Restarting Consumer results in duplicate message delivery for all messages consumed after restart.

["Timothy Bish (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMQ-6634?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Timothy Bish closed AMQ-6634.
-----------------------------
    Resolution: Invalid

Targets a very old version and provides no test to run against newer release.  Better to ask on the users mailing list for help, and also move to a new release with latest fixes.  

> Restarting Consumer results in duplicate message delivery for all messages consumed after restart.
> --------------------------------------------------------------------------------------------------
>
>                 Key: AMQ-6634
>                 URL: https://issues.apache.org/jira/browse/AMQ-6634
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: JMS client
>    Affects Versions: 5.7.0
>         Environment: Linux
>            Reporter: Jayaram Sankaranarayanan
>
> This is observed during our tests where a consumer is restarted , after which we see that consumer receives duplicate messages for all the messages sent post restart. 
> Here is the test environment. 
> Active MQ 5.7.0
> One Topic, with two active consumers  and one producer.
> There are three JVM instances.
> 1. Runs the broker, 
> 2. Runs the producer and consumer#1
> 3. Runs the consumer#2
> When instance#3 is restarted, that consumer will start receiving duplicate messages for all the messages that producer sends (instance#2).  
> Note that consumer running in instance #2 (which was not restarted) does not receive duplicate messages. 
> The duplicate message delivery is not just for those messages that producer sends when consumer#2 was being restarted. It is observed for all the messages that producer sends after consumer#2 is back online as well.
> Can you please confirm whether this is a known issue with activeMQ 5.7 ?
> I tried to search the issues in JIRA but could not see a matching one.



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