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From "Abhinav Sarkari (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (AMQ-5545) Message order is not preserved across multiple consumers
Date Wed, 28 Jan 2015 15:24:34 GMT

     [ https://issues.apache.org/jira/browse/AMQ-5545?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Abhinav Sarkari reopened AMQ-5545:
----------------------------------

I am reopening the issue.

The bug/defect in Active MQ is the fact that message order is not preserved across multiple
concurrent consumers. 

Message group merely provides a way to route/group certain messages to a single consumer.
But doesn't support concurrent consumers consuming messages that have same group id.

> Message order is not preserved across multiple consumers
> --------------------------------------------------------
>
>                 Key: AMQ-5545
>                 URL: https://issues.apache.org/jira/browse/AMQ-5545
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.4.0
>         Environment: The issue is seen on both Linux and Windows.
>            Reporter: Abhinav Sarkari
>
> There are multiple producers sending messages to a queue. There are multiple consumers
on this queue.
> I want the consumers to pick messages in the same order as they have been send by the
producers.
> The problem with using message group (http://activemq.apache.org/message-groups.html)
is that only one consumer can consume these messages at a time. I want all the consumers on
the queue to be actively picking the messages.
> In other words, is it possible to have multiple concurrent consumers being part of the
message group?



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