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From "Roberto Mier (JIRA)" <>
Subject [jira] [Commented] (AMQ-4618) Failover configuration establishes more and more connections to inactive ActiveMQ instance
Date Wed, 10 Jul 2013 10:51:49 GMT


Roberto Mier commented on AMQ-4618:


We've found the problem. It seems a client problem. The client was using a JmsTemplate Spring
object to send JMS messages to ActiveMq instance, and it seems that it was creating a new
connection every time a message was sent. As the configuration was set in failover mode, a
new connection was also created to "inactive" ActiveMQ instance, but that one was not closed
because it was not ever used. (It was only closed when client was shut down)

I close the issue. Thank you very much and sorry for any inconvenience.

> Failover configuration establishes more and more connections to inactive ActiveMQ instance
> ------------------------------------------------------------------------------------------
>                 Key: AMQ-4618
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.6.0
>            Reporter: Roberto Mier
> We have a big problem in a production environment usign ActiveMQ 5.6.0:
> We have two ActiveMQ instances started up and a consumer application reading from them.
The configuration is set to failover so that consumer application reads JMS messages from
first instance and changes to second instance only if first one is not reachable.
> After some days, we have seen that there is only one connection established to first
ActiveMQ instance, but there are more than 80 established connections to second instance (the
backup one). Every day more and more connections are created to backup instance until "
Too many open files" exception is thrown in consumer application because the number of file
descriptors is huge
> Between ActiveMQ instances and consumer application there is a F5 with a timeout of 300
seconds. Could it be responsible of this bad behaviour?. I think that when F5 detects inactivity
in a connection for 300 seconds, it will close it, but ActiveMQ will open a new one, so there
should be only one connection at the same time, not growing the number of them, isn't it?
> The failover configuration in client is set to:
> Is there any additional parameter to set to solve this problem?
> Thanks in advance

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