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| [Solved]Server switch without client concentrator. |
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| chintu |
 Posted: Tue Mar 11, 2008 6:57 pm Post subject: [Solved]Server switch without client concentrator. |
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Acolyte
Joined: 27 Dec 2004
Posts: 64
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Another cluster question:
I have 2 systems in the same group.
Box a: FMC.FMCSYS.FMCGRP.FMCQM
Box b: FMC.FMCSYS1.FMCGRP.FMCQM1.
Both qmgrs are in a cluster and both have full repository.
I am trying to test failover by stoping WF and Qmgr on BoxA and then testing if a user can logon thru webclient or runtime client using just GROUP information. I have created a 4 client configurations on Box A with the following connect names..
1)FMC.DUMMY.FMCGRP.FMCQM & FMC.FMCSYS1.FMCGRP.FMCQM
2)FMC.DUMMY.FMCGRP.FMCQM & FMC.FMCSYS1.FMCGRP.FMCQM1
3)FMC.FMCSYS.FMCGRP.FMCQM & FMC.FMCSYS1.FMCGRP.FMCQM
4)FMC.FMCSYS.FMCGRP.FMCQM & FMC.FMCSYS1.FMCGRP.FMCQM1
I can logon to the runtime clients and webclient of these 4 configuration ...but when I stop FMCSYS and FMCQM, I am not able to logon to any of these configurations. The error I get:FMC00013E Communication error - Failing Action: connect, Reason Code: 2059, Failing Object: FMCQM
fmczccd,fmcautil( -g FMCGRP) do not work for config1 and config2 but work fine for 3 and 4...so client channel table specified in thru fmczutil has been verified.
What am I missing? I see a note in the configuration utility that says that clients using java api connect only to the first connect name. Is this why I am unable to the second system in the same group?
WF 3.6
MQ 6
on WinXP.
Thanks in advance.
Last edited by chintu on Wed Apr 09, 2008 7:56 am; edited 3 times in total |
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| chintu |
| Posted: Wed Mar 12, 2008 8:38 am Post subject: |
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Acolyte
Joined: 27 Dec 2004
Posts: 64
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| The configurationID for runtime on boxA is FMC. The second system which is on box B was created with a configID of FMC1. Should both systems have the same configID for runtimes? |
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| hos |
| Posted: Thu Mar 13, 2008 12:23 am Post subject: |
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Chevalier
Joined: 03 Feb 2002
Posts: 470
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Hi,
the different configurationIDs on boxA and boxB are not your problem.
The problem is, that MQWF has not implemented a failover function in its logon processing. The first matching connect name is selected for the connect call. In your example the first matching connect name is FMCGRP.FMCQM (for a group logon). If you disable FMCQM there is no way to logon to FMCQM1 because the second connect name is never selected unless you specify a system name (system logon).
If you want to participate from MQ's failover features, you need to setup a concentrator environment (but even in this case MQWF won't be able to recover a broken session on the flight).
Have a look into the Installation Guide for more information about the multi system capabilities of the web client. |
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| chintu |
| Posted: Mon Mar 17, 2008 5:38 am Post subject: |
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Acolyte
Joined: 27 Dec 2004
Posts: 64
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| chintu |
| Posted: Thu Mar 20, 2008 1:36 pm Post subject: |
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Acolyte
Joined: 27 Dec 2004
Posts: 64
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Has anyone tried setting up a JMS client concentrator inside websphere application server? Is it even possible. From my understanding of a client concentrator setup..I think one can configure the same as a JMS resource.
Currently boxA's WF java client(running on WAS) can only point to WF on boxA(without a client concentrator). I am planning on setting up a 3rd queue manager(inside websphere) and adding it to the qmgrA and qmgrB cluster..and configuring the WASqmgr3 as a client concentrator.
I do not think there is any documentation around doing this in WAS...but if anyone has given this a try or sees any thing wrong with this approach ...please let me know. Any help or suggestions are appreciated. |
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