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MQSeries.net Forum Index » General IBM MQ Support » Maximum channels reached

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praveenmq
PostPosted: Sun Oct 07, 2012 2:28 am    Post subject: Maximum channels reached Reply with quote

Voyager

Joined: 28 Mar 2009
Posts: 96
Hi ,

I am just encountering these errors recently in my logs.

----- amqrmrsa.c : 525 --------------------------------------------------------
10/07/12 10:38:32 - Process(24379614.608577) User(mqm) Program(amqrmppa)
Host(prdwas2)
AMQ9513: Maximum number of channels reached.

EXPLANATION:
The maximum number of channels that can be in use simultaneously has been
reached. The number of permitted channels is a configurable parameter in the
queue manager configuration file.
ACTION:
Wait for some of the operating channels to close. Retry the operation when some
channels are available.
----- amqrcsia.c : 1172 -------------------------------------------------------
10/07/12 10:38:32 - Process(24379614.608577) User(mqm) Program(amqrmppa)
Host(prdwas2)
AMQ9999: Channel program ended abnormally.

EXPLANATION:
Channel program 'SYSTEM.ADMIN.SVRCONN' ended abnormally.
ACTION:
Look at previous error messages for channel program 'SYSTEM.ADMIN.SVRCONN' in
the error files to determine the cause of the failure.
----- amqrmrsa.c : 525 --------------------------------------------------------


I searched and found that only solution is to change the queue manager configuration file. to set keepalive=yes in channel attribute. Is there any other way we can increase the maximum no of channels
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Jack
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mqjeff
PostPosted: Sun Oct 07, 2012 4:37 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447
Have you considered increasing the properties of the queue manager that control the maximum number of active channels and the maximum number of channels?
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praveenmq
PostPosted: Sun Oct 07, 2012 9:42 pm    Post subject: Reply with quote

Voyager

Joined: 28 Mar 2009
Posts: 96
In my qm.ini file i dont have any values for max channels and max active channels under the channels attribute it is taking the default one.
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Jack
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exerk
PostPosted: Mon Oct 08, 2012 12:05 am    Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6339
praveenmq wrote:
In my qm.ini file i dont have any values for max channels and max active channels...

That is because, as has been pointed out to you...

mqjeff wrote:
Have you considered increasing the properties of the queue manager that control the maximum number of active channels and the maximum number of channels?

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It's puzzling, I don't think I've ever seen anything quite like this before...and it's hard to soar like an eagle when you're surrounded by turkeys.
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