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| get error in dead letter queue handler |
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| wilsonho3 |
 Posted: Tue Apr 28, 2009 11:15 pm Post subject: get error in dead letter queue handler |
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Voyager
Joined: 20 Nov 2001
Posts: 98
Location: Hong Kong
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I am a mainframe user, I have a daily job to put all the dead letter
queue messages to another queue. I get the following error.
my MF CCSID as following>
Coded character set ID . . : 500
Error
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CSQU950I CSQUDLQ IBM WebSphere MQ for z/OS V6
CSQU200I CSQUDLQ Dead-letter Queue Handler Utility - 2009-04-28 11:00:03
CSQU201I Processing queue CITI.DLQ
CSQU210I Message does not have a valid MQDLH
CSQU227E Unable to get message from dead-letter queue, MQCC=1 MQRC=2150
what is the root cause of the error and how can I solve it. any MQ expert, pls advice. ths
wilson |
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| Vitor |
| Posted: Tue Apr 28, 2009 11:48 pm Post subject: Re: get error in dead letter queue handler |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| wilsonho3 wrote: |
| what is the root cause of the error and how can I solve it. |
Most likely some application is writing messages it rejects to the dead letter queue rather than specifying some local queue to use.
Find the offending DLH-deficient message using the tool of your choice, identify the putting application from the MQMD and politely ask the application team in question what they think they're playing at. Trout in hand.
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| fjb_saper |
| Posted: Wed Apr 29, 2009 3:11 am Post subject: Re: get error in dead letter queue handler |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| Vitor wrote: |
| wilsonho3 wrote: |
| what is the root cause of the error and how can I solve it. |
Most likely some application is writing messages it rejects to the dead letter queue rather than specifying some local queue to use.
Find the offending DLH-deficient message using the tool of your choice, identify the putting application from the MQMD and politely ask the application team in question what they think they're playing at. Trout in hand. |
Additionally go through the queues with a little filter:
dis ql(*) where (boqname eq <your system.dead.letter.queue name>)....
See if any object is found. Trout the responsible.
Make also sure that nobody but the DLQ handler is allowed to post messages to your error queue. This will allow the error queue to be treated as a DLQ when needing to resubmit the messages (if you kept the DLH).
Have fun 
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MQ & Broker admin |
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| Vitor |
| Posted: Wed Apr 29, 2009 3:14 am Post subject: Re: get error in dead letter queue handler |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| fjb_saper wrote: |
Additionally go through the queues with a little filter:
dis ql(*) where (boqname eq <your system.dead.letter.queue name>)....
See if any object is found. Trout the responsible. |
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| bruce2359 |
| Posted: Sat May 02, 2009 2:36 pm Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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If application-oriented messages continue to arrive in your DLQ (even if they have correctly built DLHs), you might want to consider RACF protecting the DLQ from non-MQADMIN resource class userids.
_________________
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ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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