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| florea_adi |
 Posted: Tue Nov 20, 2007 2:06 am Post subject: strange strmqm/crtmqm error |
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Novice
Joined: 20 Nov 2007
Posts: 11
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Hi everybody !
I have encountered a strange problem around strmqm/crtmqm on Solaris 10.
The error it says: AMQ8101: WebSphere MQ error (893) has occurred
The FDC looks strange too:
Probe Id :- ZT021002
Component :- zutEnsureQMDirs
SCCS Info :- lib/zu/amqzutb0.c, 1.171.1.6
Major Errorcode :- MQRC_UNEXPECTED_ERROR
Minor Errorcode :- OK
Probe Type :- MSGAMQ0893
Probe Description :- AMQ6090: WebSphere MQ was unable to display an error message 893.
MQM Function Stack
zutEnsureQMDirs
xcsFFST
I've just managed to get over this by executing the following:
$ /opt/mqm/bin/amqzmgr0 -m <manager> &
$ /opt/mqm/bin/runmqlsr -m <manager> -t TCP -p <port> &
$ /opt/mqm/bin/amqzxma0 -m <manager> &
$ runmqtrm -m <manager> -q <qnam> >> /dev/null &
So this is not a problem for the time being.
The major issue is that I cannot find any substitute for crtmqm (to create a queue manager).
crtmqm fails also with 'AMQ8101: WebSphere MQ error (893) has occurred'.
The FDC looks like:
Probe Id :- ZT021002
Application Name :- MQM
Component :- zutEnsureQMDirs
SCCS Info :- lib/zu/amqzutb0.c, 1.171.1.6
Major Errorcode :- MQRC_UNEXPECTED_ERROR
Minor Errorcode :- OK
Probe Type :- MSGAMQ0893
Probe Description :- AMQ6090: WebSphere MQ was unable to display an error message 893.
MQM Function Stack
zutCreateMangledDirs
zutEnsureQMDirs
xcsFFST
thanks for any idea !
Adrian |
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| Vitor |
| Posted: Tue Nov 20, 2007 2:12 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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What version of WMQ? If it's not the latest apply maintenance.
Also you mention Solaris 10 - are you using sparce zones? If so, have you applied the specific workarounds to allow message catalogs to work? And the other work needed for MQ install?
The error looks like a file system problem (hence the question about zones). Failing that, any FDC can lead to a PMR.
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Insanity is the best defence. |
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| Philip Morten |
| Posted: Tue Nov 20, 2007 2:22 am Post subject: |
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Master
Joined: 07 Mar 2002
Posts: 230
Location: Hursley Park
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Can you check that the user and group mqm both exist, that the /var/mqm directories are owned by mqm:mqm and that you are loged on to a user in the group mqm.
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The postings on this site are my own and do not necessarily represent IBM's positions, strategies or opinions. |
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| florea_adi |
| Posted: Tue Nov 20, 2007 4:18 am Post subject: |
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Novice
Joined: 20 Nov 2007
Posts: 11
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| Using MQ version 6.0.2.2 . My user is in group 'mqm' - permissions on /var/mqm and /opt/mqm seem to be OK. Not using zones on this machine. On another machine with zones everything works ! I've begun to compare the two installs but nothing so far. Strange is that everything used to work until the first weekend in November - and then error occured. |
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| Vitor |
| Posted: Tue Nov 20, 2007 4:35 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| florea_adi wrote: |
| Strange is that everything used to work until the first weekend in November - and then error occured. |
Ask the admins what work was done on the box that weekend. When they say "Nothing", repeat the question until they reply "Nothing - apart from xxx which couldn't possibly cause this problem...." 
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| florea_adi |
| Posted: Tue Nov 20, 2007 6:24 am Post subject: |
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Novice
Joined: 20 Nov 2007
Posts: 11
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| Is it possible to happen because of the DST change - that took place on first Sunday of November ? If yes, why ? |
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| Vitor |
| Posted: Tue Nov 20, 2007 6:27 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| florea_adi wrote: |
| Is it possible to happen because of the DST change - that took place on first Sunday of November ? If yes, why ? |
I don't see how. I suspect that while the DST change was being made, some routine, harmless housekeeping has been performed that's corrupted 1-n areas of the machine & caused the issue.
But I'm just an old cynic. 
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| Gaya3 |
| Posted: Tue Nov 20, 2007 6:29 am Post subject: |
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Jedi
Joined: 12 Sep 2006
Posts: 2493
Location: Boston, US
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Hi
I dont think so............................
any fdc got generated for the same issue. Please re-check it.
Regards
Gayathri
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| Vitor |
| Posted: Tue Nov 20, 2007 6:44 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| Gaya3 wrote: |
| any fdc got generated for the same issue. Please re-check it. |
Recheck what? What other details do you think might help aside from those already posted?
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| Gaya3 |
| Posted: Tue Nov 20, 2007 6:59 am Post subject: |
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Jedi
Joined: 12 Sep 2006
Posts: 2493
Location: Boston, US
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hi
He said, it has been working a week back, but not now...
So just to confirm its better to check all the areas thats what i meant
Regards
Gayathri
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Gayathri
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| florea_adi |
| Posted: Tue Nov 20, 2007 7:09 am Post subject: |
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Novice
Joined: 20 Nov 2007
Posts: 11
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Just for info, all the FDCs look the same way.
I've compared several files/configuration with the system that is running OK (also Solaris 10). Rechecked /etc/nsswitch.conf, groups membership, etc.
If somebody has enough time to hack, I can post the truss output ... 
I cannot see exactly what happens except that crashes after some timezone/date checking. |
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| Gaya3 |
| Posted: Tue Nov 20, 2007 7:15 am Post subject: |
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| florea_adi |
| Posted: Tue Nov 20, 2007 8:42 am Post subject: |
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Novice
Joined: 20 Nov 2007
Posts: 11
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Thanks for the advise, Gayathri !
However I've already checked that page (even if some kernel parameters are not set like there today - Solaris 10 is using rctl and many of the /etc/system params have moved to resource control parameters, projects, etc...).
My concern is now how to get a workaround for this issue (like I have one for 'strmqm'). If I have a workaround for 'crtmqm' - many people will work - and we'll let IBM fix the problem via a service request or something.
regards,
Adrian |
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| fjb_saper |
| Posted: Tue Nov 20, 2007 9:18 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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Workaround: (not to be used in production)
- Stop an existing qmgr (preferably not a clusterqm).
- Copy the files underneath including logs to another qmgr name.
- Add entry to /var/mqm/mqs.ini.
- Check that you can start the target qmgr.
- Make sure that you clear all queues and redo the qmgr setup (queues channels etc)...
- Restart the source qmgr.
No warranties or guaranties 
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| florea_adi |
| Posted: Tue Nov 20, 2007 9:26 am Post subject: |
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Novice
Joined: 20 Nov 2007
Posts: 11
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Hi fjb_saper,
I've tried to make this - sounds an interesting idea to me too.
I did few days ago as you said - except the step with clear queues/channel settings. I'll try this tomorrow - and I'll come back with info. May(be) the force (will) be with me 
Many thanks !
Adrian |
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