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From "Hariharan (JIRA)" <>
Subject [jira] [Commented] (AMQ-3502) Subscribers lost from AMQ broker
Date Mon, 19 Sep 2011 06:36:09 GMT


Hariharan commented on AMQ-3502:

Can someone please help me out with this. We were forced to restart our production broker
instance with a lot of hesitation and so we would like to put any kind of fix around it to
avoid this from happening again in the future.


> Subscribers lost from AMQ broker
> --------------------------------
>                 Key: AMQ-3502
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>            Reporter: Hariharan
>              Labels: activemq, broker
> Hello,
> We are using AMQ 5.5.
> It has been working perfectly since we upgraded from 5.3 to 5.5. But, this morning out
of nowhere the broker started reporting a bunch of durable subscribers as inactive i.e. placed
them under 'false' folder in 'Subscription' folder. And the 'Durable' and 'Non-Durable' folders
under 'Subscription' went missing. Upon further investigation, we found that the subscribers
marked as false (inactive) were actually subscribed to the resp. topics and were active.
> Some publishers were also not able to publish messages.
> We tried looking through activemq.log and kahadb.log files but nothing could be found.
In the end we had to restart the broker to get it back to normal state.
> Have you ever come across a situation like this before? Any thoughts on what could have
caused this to happen?
> Thank you in Advance.
> Hari

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