[Netarchivesuite-users] JMS-Queues

aponb at gmx.at aponb at gmx.at
Mon Sep 21 15:26:11 CEST 2009


After having Troubles with my JMS-Queue, the Netarchive-Suite couldn't 
complete recover. All the harvester-Instances could reconnect and also 
it seemed that the Administration Applications could reconnect, because 
new Jobs were scheduled but without receiving statistical information 
from the completed jobs.  That is not really a desired behavior. We 
decided to start over again with NAS 3.8.2, which is running since 
Wednesday. Now we try to monitor the JMS-Queues, and I already received 
a nice script from Bjarne. I also tried out imqadmin which shows all my 
Queues and Properties. But I can't inspect the single messages with that 
tool. Have I missed something?
And the monitoring also tells us that we have already 5803 messages int 
the COMMON_MONITOR queue, get more and more. As Bjarne has written, that 
is not normal. At the end of last week I made the expierience that the 
queue, which contained already about 500 messages, at a certain point 
started to have fewer messages. So that seemed to me normal. But now it 
is getting more and more. First of all I would like to know if I could 
just clear that queue with the imqadmin tool with Actions->Purge 
messages? Would that be the right way to clear the messages? How is NAS 
reacting, if there are no more messages in that queue, which should be 
deleted by the application? I don't want to have NAS in trouble with the 
JMS-Broker, when reaching the 100000  messages limit. And finally the 
question what is wrong with my installation when my queue contains that 
many messages, if that is not normal?

Thanks for your time
a.



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