Hi Aleš,
I haven't met this, but here are some hints to troubleshoot/investigate it:

1) Before each broker shutdown, run (and keep output of) commands:
qpid-stat -q
qpid-stat -u     (to see subscriptions - you will see unacknowledged messages 
there)
store_chk <directory_with_journal_of_the_queue>    (to examine journal content)

2) Once the problem re-occurs, run the commands again and compare outputs.

Hope that helps in you investigation.

Kind regards,
Pavel


----- Original Message -----
> From: "Aleš Trček" <ales.tr...@halcom.si>
> To: users@qpid.apache.org
> Sent: Friday, August 30, 2013 12:41:02 AM
> Subject: Reappearing messages with qpidc and bdb persistency store
> 
> Hi all,
> 
> Every now and then, when I restart my qpidc broker (version 0.22) some
> messages reappear in the queues, although they were long since taken from
> the queues (and committed).
> Something like that (qpid-stat output):
>   queue                                          dur  autoDel  excl  msg
>   msgIn  msgOut  bytes  bytesIn  bytesOut  cons  bind
>   
> ==============================================================================================================================
>   some_queue_or_another                              Y            0   125
>   125       0   1.31k    1.31k        1     5
> 
> I then restart (qpidd --quit; qpidd --daemon --load-module ....) the broker,
> and I get something like this:
>   queue                                          dur  autoDel  excl  msg
>   msgIn  msgOut  bytes  bytesIn  bytesOut  cons  bind
>   
> ==============================================================================================================================
>   some_queue_or_another                              Y           125   125
>   0        1.31k   1.31k       0        1     5
> 
> Queues are created like this:
> qpid-config add queue some_queue_or_another --durable
> --argument=qpid.priorities=10 --file-count=16 --file-size=512
> 
> As said, sometimes the messages magically reappear, sometimes they don't. I
> didn't yet get the pattern when or why.
> I use transacted sessions, and I am sure, that all messages get committed OK.
> 
> Did anybody else have some similar problem?
> 
> 
> Regards,
> Ales
> 

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