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Message
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| srikant176 |
 Posted: Tue Feb 03, 2015 12:09 am Post subject: help with AMQ9513: Maximum number of channels reached |
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Newbie
Joined: 02 Feb 2015
Posts: 3
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I am unable to connect to queue manager through mq explorer n getting AMQ4059 ERROR
when i checked queue manager log i got following error messages
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.
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.
Can anybody help me quickly |
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| PaulClarke |
| Posted: Tue Feb 03, 2015 1:12 am Post subject: |
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Grand Master
Joined: 17 Nov 2005
Posts: 1002
Location: New Zealand
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| exerk |
| Posted: Tue Feb 03, 2015 1:13 am Post subject: |
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Jedi Council
Joined: 02 Nov 2006
Posts: 6339
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Adjust the queue manager's MaxChannels and MaxActiveChannels attribute values accordingly.
_________________
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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| zpat |
| Posted: Tue Feb 03, 2015 1:30 am Post subject: |
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Jedi Council
Joined: 19 May 2001
Posts: 5866
Location: UK
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The default was about right 20 years ago. Now it's a bit low... 
_________________
Well, I don't think there is any question about it. It can only be attributable to human error. This sort of thing has cropped up before, and it has always been due to human error. |
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| PaulClarke |
| Posted: Tue Feb 03, 2015 1:35 am Post subject: |
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Grand Master
Joined: 17 Nov 2005
Posts: 1002
Location: New Zealand
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Unfortunately changing defaults is always fraught with hazard. Someone always gets very upset....
_________________
Paul Clarke
MQGem Software
www.mqgem.com |
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| bruce2359 |
| Posted: Tue Feb 03, 2015 5:13 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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In future posts, please include something precise about the problem you are having, such as the error message identifier and explanation.
I've modified the Subject line.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| bruce2359 |
| Posted: Tue Feb 03, 2015 6:44 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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| zpat wrote: |
| The default was about right 20 years ago. Now it's a bit low... |
Most vendor products are factory-configured for POC, and not for production. I've heard other complaints about maxmsglength and maxdepth being far too big.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| gbaddeley |
| Posted: Tue Feb 03, 2015 2:18 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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| exerk wrote: |
| Adjust the queue manager's MaxChannels and MaxActiveChannels attribute values accordingly. |
Or fix an underlying issue where badly designed or coded client apps might be making too many simultaneous connections.
_________________
Glenn |
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| srikant176 |
| Posted: Wed Feb 04, 2015 2:28 am Post subject: |
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Newbie
Joined: 02 Feb 2015
Posts: 3
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| Thanks every one.I am using a older version of MQ 6.0 and that to we are using web service communication not channel communication .There is no remote queue manager. I am only using the server connection channel to access the queue manger from a deployment PC.As Our services are running fine i don't want to take any risk.So how could it possible that it had reached its maximum.Why its saying Channel program 'SYSTEM.ADMIN.SVRCONN' ended abnormally. I am unable to take any backup of queue logs through rfhutil as i was using SYSTEM.ADMIN.SVRCONN channel to take backup.Is it possible i can take backup of queue through any other channel.Is this problem can be solved by restarting queue manager as we are not using much channel. |
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| bruce2359 |
| Posted: Wed Feb 04, 2015 4:39 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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| srikant176 wrote: |
| Is it possible i can take backup of queue through any other channel. |
No, as MAXCHANNELS has been reached.
| srikant176 wrote: |
| Is this problem can be solved by restarting queue manager as we are not using much channel. |
As exerk advised
| Quote: |
Adjust the queue manager's MaxChannels and MaxActiveChannels attribute values accordingly.
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Then stop and restart the qmgr.
I'd guess that one of the apps you are running is not disconnecting from the qmgr correctly (successfully) - filling the channel status table.
Is this a new problem for you? If so, when did it begin? What applications have changed around that date? What else changed?
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| srikant176 |
| Posted: Wed Feb 04, 2015 10:13 am Post subject: |
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Newbie
Joined: 02 Feb 2015
Posts: 3
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This is first time i am facing and nothing has been changed in our system.This problem is coming after a network fiber link was down from network side.
btw Thanks to every one. |
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| bruce2359 |
| Posted: Wed Feb 04, 2015 11:38 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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| srikant176 wrote: |
| ... nothing has been changed in our system.This problem is coming after a network fiber link was down from network side. |
These two statements contradict each other. A network failure is an unplanned change to your environment.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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