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| Client reconnect - MQCONNX |
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| emiranda |
 Posted: Wed Mar 07, 2018 10:03 am Post subject: Client reconnect - MQCONNX |
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Disciple
Joined: 21 Nov 2002
Posts: 196
Location: Dublin, Ireland
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Hi,
I'm trying to demostrate a sample client application automatically reconnecting to a queue manager.
I'm using IBM provided sample program amqscbfc:
amqscbfc -m <qmgr> -r r <queue>
When I stop the queue manager the program gets MQRC 2009 but it doesn't stop, it stays "hanging" there. After restarting the qmgr, I put messages again to the queue, but amqscbfc doesn't get messages anymore.
I didn't configure anything for the client reconection, as I was expecting that just connecting with MQCONNX and cno.Option = MQCNO_RECONNECT would suffice.
Am I missing something?
Thanks.
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Warm Regards,
EM |
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| PaulClarke |
| Posted: Wed Mar 07, 2018 2:59 pm Post subject: |
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Grand Master
Joined: 17 Nov 2005
Posts: 1002
Location: New Zealand
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Client reconnect depends heavily on the client realising that it has lost the connection. This can take some time depending on all sorts of things such as the version of MQ on either end and how they are configured. Generally speaking the latest the version of MQ the better it is at detecting. Similarly the smaller the heartbeat interval the faster it detects.
There are many appends here and elsewhere discussing how to configure your client for error detection discussing things like heartbeat interval, keep alive, share conv etc
Cheers,
Paul.
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Paul Clarke
MQGem Software
www.mqgem.com |
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| hughson |
| Posted: Thu Mar 08, 2018 1:03 am Post subject: Re: Client reconnect - MQCONNX |
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Padawan
Joined: 09 May 2013
Posts: 1959
Location: Bay of Plenty, New Zealand
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| emiranda wrote: |
| When I stop the queue manager the program gets MQRC 2009 but it doesn't stop, it stays "hanging" there. |
What command did you use to stop your queue manager?
Cheers,
Morag
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Morag Hughson @MoragHughson
IBM MQ Technical Education Specialist
Get your IBM MQ training here!
MQGem Software |
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| bruce2359 |
| Posted: Thu Mar 08, 2018 4:50 am Post subject: Re: Client reconnect - MQCONNX |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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| emiranda wrote: |
| When I stop the queue manager the program gets MQRC 2009 but it doesn't stop, it stays "hanging" there. After restarting the qmgr, I put messages again to the queue, but amqscbfc doesn't get messages anymore. |
For clarity, in future posts please avoid pronouns like 'it'.
What is the first 'it'? What is the second 'it'? What does 'there' in 'hanging there' mean?
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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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| emiranda |
| Posted: Thu Mar 08, 2018 7:34 am Post subject: Re: Client reconnect - MQCONNX |
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Disciple
Joined: 21 Nov 2002
Posts: 196
Location: Dublin, Ireland
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| bruce2359 wrote: |
| emiranda wrote: |
| When I stop the queue manager the program gets MQRC 2009 but it doesn't stop, it stays "hanging" there. After restarting the qmgr, I put messages again to the queue, but amqscbfc doesn't get messages anymore. |
For clarity, in future posts please avoid pronouns like 'it'.
What is the first 'it'? What is the second 'it'? What does 'there' in 'hanging there' mean? |
I got it, bruce2359! 
| hughson wrote: |
| emiranda wrote: |
| When I stop the queue manager the program gets MQRC 2009 but it doesn't stop, it stays "hanging" there. |
What command did you use to stop your queue manager?
Cheers,
Morag |
That's it ! I added "-r" to the endmqm command and worked fine.
Thank you all guys!
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Warm Regards,
EM |
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