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From "Rob Davies (JIRA)" <>
Subject [jira] Assigned: (AMQ-1939) AMQ broker does not honour consumer priority setting on queue
Date Mon, 22 Sep 2008 18:14:52 GMT


Rob Davies reassigned AMQ-1939:

    Assignee: Rob Davies

> AMQ broker does not honour consumer priority setting on queue
> -------------------------------------------------------------
>                 Key: AMQ-1939
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.1.0
>         Environment: WinXP, SLES9, WinNT4
>            Reporter: Bonny Rais
>            Assignee: Rob Davies
>            Priority: Blocker
> We have a simple setup where an AMQ broker is connected to from one producer and two
consumers. The producer tends to be colocated on the broker's host so 
> comms is never an issue there. However, consumers can come and go because the underlying
comms may not be reliable.
> The consumers are connected with differing priorities so that the broker directs all
messages to a single consumer normally and switches over to the 
> other consumer when the primary consumer disconnects for whatever reason.
> This arrangement seems to work fine most of the time, but sometimes (and we cannot identify
the cause), upon a comms error
> or a consumer error (that may mean messages are not acknowledged within some time period),
the broker switches over to the 
> secondary consumer. That in itself if good, of course. However, when the primary consumer
reconnects back to the queue as 
> primary, messages are not being delivered to it at all - the only way to fix this seems
to be to restart the broker.
> We cannot even force the broker to drop the connections (we're limited in the way we
can use jconsole with those brokers, particularly with the WinNT ones).

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