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| bobbee |
 Posted: Tue Jul 12, 2022 2:30 pm Post subject: pymqi MQRCCF_CFH_LENGTH_ERROR on MQCMD_INQUIRE_CHANNEL |
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Knight
Joined: 20 Sep 2001
Posts: 545
Location: Tampa
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All this code worked on Linux. I then brought it over to AIX 7.1 and I am getting the 3002 on my first call into pymqi.
I did a GOOGLE and I see mention of this error under github/DSUCH. When I click on it I get 'page not found'.
Anyone know the reason for this error. I did build/Install pymqi in SERVER mode. |
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| hughson |
| Posted: Tue Jul 12, 2022 11:40 pm Post subject: |
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Padawan
Joined: 09 May 2013
Posts: 1948
Location: Bay of Plenty, New Zealand
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Looking at the cached version of the webpage you found, it looks to be an endianness problem.
Can you change MQENC_NATIVE to 0x00000111 in CMQC.py file before running code on AIX?
Cheers,
Morag
_________________
Morag Hughson @MoragHughson
IBM MQ Technical Education Specialist
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MQGem Software |
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| markt |
| Posted: Wed Jul 13, 2022 2:37 am Post subject: |
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Knight
Joined: 14 May 2002
Posts: 508
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It looks like there are a number of things in CMQC.py that assume a particular environment. For example, MQPL_NATIVE/MQAT_NATIVE appear to be always set to Windows. Similarly the various ENCODING constants (though only the combined ENC_NATIVE is really used).
That would not be important if the mapping structures are really only being initialised from the platform-specific cmqc.h, but it does look like __init__.py does make use of the CMQC.py setting. So it's wrong for any big-endian operating system, which would also include linux s390x.
At least you have the opportunity to edit that file to fix it locally. |
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| bobbee |
| Posted: Wed Jul 13, 2022 5:08 am Post subject: |
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Knight
Joined: 20 Sep 2001
Posts: 545
Location: Tampa
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You just gotta love CACHE!!!! Changed the value and the script and MQ pymqi commands worked. now to get ride of the issues.
Thank you very much!!! |
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| gbaddeley |
| Posted: Wed Jul 13, 2022 3:48 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2527
Location: Melbourne, Australia
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https://pypi.org/project/pymqi/
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PyMQI is a production-ready, open-source Python extension for IBM MQ (formerly known as WebSphere MQ and MQSeries).
For 20+ years, the library has been used by thousands of companies around the world with their queue managers running on Linux, Windows, UNIX and z/OS. |
This tends to indicate that you are doing something wrong, such that the endian is incorrect. Copying the header from x86 Linux to Power AIX is not a good idea?
_________________
Glenn |
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| bobbee |
| Posted: Thu Jul 14, 2022 3:52 am Post subject: |
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Knight
Joined: 20 Sep 2001
Posts: 545
Location: Tampa
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| @gbaddeley, I can see what you are saying. The build and install were done directly from a download of the code on Github (1/12/8 ). So I am wondering if there is something amis in setup.py. They change that was suggest to the NATIVE variable in CMQC.py did fix the issue. |
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