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exerk
PostPosted: Thu Sep 12, 2019 3:47 am Post subject: amqrmssa.c Reply with quote

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Posts: 6105

Anybody have any idea of what this is please? I can't find it in the tools/samples directory and google returns no specific search on it.

Background: I had a RCVR channel apparently stop/start itself, and this was in the Program(amqrmssa.c) attribute of the log print.

A bit of a head-scratcher for me so any pointers gratefully received.
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HubertKleinmanns
PostPosted: Thu Sep 12, 2019 4:46 am Post subject: Reply with quote

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Joined: 24 Feb 2004
Posts: 696
Location: Germany

Hmm,

- Google finds nothing

- Knowledge Center finds nothing

- "find" on Linux and AIX find nothing

- "Search" in Windows Explorer finds nothing

If it's not a typo I would say, this is some kind of self-written programm, not a part of MQ
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abhi_thri
PostPosted: Thu Sep 12, 2019 4:55 am Post subject: Reply with quote

Partisan

Joined: 17 Jul 2017
Posts: 312
Location: UK

hi...i think it is one of the C libraries used by the amqrmppa.exe (channel pooling process)...

http://www.mqseries.net/phpBB/viewtopic.php?p=366045&sid=62f1c8b42637f09c33591ab022c06a93

http://mqseries.net/phpBB/viewtopic.php?t=44186&postdays=0&postorder=asc&start=0&sid=487c126c330acf3ca3405e4f241e91a6

http://www.mqseries.net/phpBB/viewtopic.php?p=198062&sid=aaab7d3a5f5335ab426489524f4e2005

...try checking whether MQ log shows the similar process
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tczielke
PostPosted: Thu Sep 12, 2019 8:08 am Post subject: Reply with quote

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Joined: 08 Jul 2010
Posts: 837
Location: Illinois, USA

I have been seeing the following behavior on one of my 9.1.0.1 MQ queue managers running on RHEL7.

Around once a week, I will get a report that channel was stopped by a user. I feel very confident no user actually did this:

Code:
09/12/2019 01:50:28 AM - Process(18763.3910) User(mqm) Program(amqrmppa)
                    Host(OBFUSCATE) Installation(Installation1)
                    VRMF(9.1.0.1) QMgr(OBFUSCATE)
                    Time(2019-09-12T06:50:28.157Z)
                    CommentInsert1(CLUSTER.OBFUSCATE)

AMQ9528W: User requested channel 'CLUSTER.OBFUSCATE' to be stopped.

EXPLANATION:
The channel is stopping because of a request by the user.
ACTION:
None.
----- amqrmssa.c : 3331 -------------------------------------------------------


It is usually accompanied with an FDC that looks like this:

Code:

+-----------------------------------------------------------------------------+
|                                                                             |
| IBM MQ First Failure Symptom Report                                         |
| =========================================                                   |
|                                                                             |
| Date/Time         :- Wed August 28 2019 04:20:59 CDT                        |
| UTC Time          :- 1566984059.752446                                      |
| UTC Time Offset   :- -300 (CST)                                             |
| Host Name         :- OBFUSCATE                                              |
| Operating System  :- Linux 3.10.0-957.1.3.el7.x86_64                        |
| PIDS              :- 5724H7251                                              |
| LVLS              :- 9.1.0.1                                                |
| Product Long Name :- IBM MQ for Linux (x86-64 platform)                     |
| Vendor            :- IBM                                                    |
| O/S Registered    :- 1 (libmqmcs_r.so)                                      |
| Data Path         :- /var/mqm                                               |
| Installation Path :- /opt/mqm                                               |
| Installation Name :- Installation1    (1)                                   |
| License Type      :- Production                                             |
| Probe Id          :- RM008005                                               |
| Application Name  :- MQM                                                    |
| Component         :- rrxStopChannel                                         |
| SCCS Info         :- /build/slot2/p910_P/src/lib/remote/amqrcmsa.c,         |
| Line Number       :- 2451                                                   |
| Build Date        :- Nov  8 2018                                            |
| Build Level       :- p910-001-181108                                        |
| Build Type        :- IKAP - (Production)                                    |
| Effective UserID  :- 244 (mqm)                                              |
| Real UserID       :- 244 (mqm)                                              |
| Program Name      :- amqrmppa                                               |
| Arguments         :- -m OBFUSCATE                                           |
| Addressing mode   :- 64-bit                                                 |
| LANG              :- en_US.UTF-8                                            |
| Process           :- 18763                                                  |
| Process(Thread)   :- 13773                                                  |
| Thread            :- 2848    RemoteResponder                                |
| QueueManager      :- OBFUSCATE                                              |
| SubpoolName       :- OBFUSCATE                                              |
| UserApp           :- FALSE                                                  |
| ConnId(1) IPCC    :- 37267                                                  |
| ConnId(3) QM-P    :- 114534                                                 |
| Last HQC          :- 1.6.6-313920                                           |
| Last HSHMEMB      :- 0.0.0-0                                                |
| Last ObjectName   :-                                                        |
| Major Errorcode   :- OK                                                     |
| Minor Errorcode   :- OK                                                     |
| Probe Type        :- INCORROUT                                              |
| Probe Severity    :- 4                                                      |
| Probe Description :- AMQ6125E: An internal IBM MQ error has occurred.       |
| FDCSequenceNumber :- 0                                                      |
|                                                                             |
+-----------------------------------------------------------------------------+


Are you seeing something similar for a similar version of MQ?
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exerk
PostPosted: Thu Sep 12, 2019 9:15 am Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6105

tczielke wrote:
I have been seeing the following behavior on one of my 9.1.0.1 MQ queue managers running on RHEL7.

Around once a week, I will get a report that channel was stopped by a user. I feel very confident no user actually did this:

Code:
09/12/2019 01:50:28 AM - Process(18763.3910) User(mqm) Program(amqrmppa)
                    Host(OBFUSCATE) Installation(Installation1)
                    VRMF(9.1.0.1) QMgr(OBFUSCATE)
                    Time(2019-09-12T06:50:28.157Z)
                    CommentInsert1(CLUSTER.OBFUSCATE)

AMQ9528W: User requested channel 'CLUSTER.OBFUSCATE' to be stopped.

EXPLANATION:
The channel is stopping because of a request by the user.
ACTION:
None.
----- amqrmssa.c : 3331 -------------------------------------------------------


It is usually accompanied with an FDC that looks like this:

Code:

+-----------------------------------------------------------------------------+
|                                                                             |
| IBM MQ First Failure Symptom Report                                         |
| =========================================                                   |
|                                                                             |
| Date/Time         :- Wed August 28 2019 04:20:59 CDT                        |
| UTC Time          :- 1566984059.752446                                      |
| UTC Time Offset   :- -300 (CST)                                             |
| Host Name         :- OBFUSCATE                                              |
| Operating System  :- Linux 3.10.0-957.1.3.el7.x86_64                        |
| PIDS              :- 5724H7251                                              |
| LVLS              :- 9.1.0.1                                                |
| Product Long Name :- IBM MQ for Linux (x86-64 platform)                     |
| Vendor            :- IBM                                                    |
| O/S Registered    :- 1 (libmqmcs_r.so)                                      |
| Data Path         :- /var/mqm                                               |
| Installation Path :- /opt/mqm                                               |
| Installation Name :- Installation1    (1)                                   |
| License Type      :- Production                                             |
| Probe Id          :- RM008005                                               |
| Application Name  :- MQM                                                    |
| Component         :- rrxStopChannel                                         |
| SCCS Info         :- /build/slot2/p910_P/src/lib/remote/amqrcmsa.c,         |
| Line Number       :- 2451                                                   |
| Build Date        :- Nov  8 2018                                            |
| Build Level       :- p910-001-181108                                        |
| Build Type        :- IKAP - (Production)                                    |
| Effective UserID  :- 244 (mqm)                                              |
| Real UserID       :- 244 (mqm)                                              |
| Program Name      :- amqrmppa                                               |
| Arguments         :- -m OBFUSCATE                                           |
| Addressing mode   :- 64-bit                                                 |
| LANG              :- en_US.UTF-8                                            |
| Process           :- 18763                                                  |
| Process(Thread)   :- 13773                                                  |
| Thread            :- 2848    RemoteResponder                                |
| QueueManager      :- OBFUSCATE                                              |
| SubpoolName       :- OBFUSCATE                                              |
| UserApp           :- FALSE                                                  |
| ConnId(1) IPCC    :- 37267                                                  |
| ConnId(3) QM-P    :- 114534                                                 |
| Last HQC          :- 1.6.6-313920                                           |
| Last HSHMEMB      :- 0.0.0-0                                                |
| Last ObjectName   :-                                                        |
| Major Errorcode   :- OK                                                     |
| Minor Errorcode   :- OK                                                     |
| Probe Type        :- INCORROUT                                              |
| Probe Severity    :- 4                                                      |
| Probe Description :- AMQ6125E: An internal IBM MQ error has occurred.       |
| FDCSequenceNumber :- 0                                                      |
|                                                                             |
+-----------------------------------------------------------------------------+


Are you seeing something similar for a similar version of MQ?

Pretty much, yes, but with amqrmssa.c printed in the log and no FDC cut; I think it may be PMR time.
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exerk
PostPosted: Thu Sep 12, 2019 9:18 am Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6105

abhi_thri wrote:
hi...i think it is one of the C libraries used by the amqrmppa.exe (channel pooling process)...

http://www.mqseries.net/phpBB/viewtopic.php?p=366045&sid=62f1c8b42637f09c33591ab022c06a93

http://mqseries.net/phpBB/viewtopic.php?t=44186&postdays=0&postorder=asc&start=0&sid=487c126c330acf3ca3405e4f241e91a6

http://www.mqseries.net/phpBB/viewtopic.php?p=198062&sid=aaab7d3a5f5335ab426489524f4e2005

...try checking whether MQ log shows the similar process

abhi_thri, thank you, I did search the fora to see if there was anything similar, and all came up as the channel-pooling process, which is not the case for me.
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exerk
PostPosted: Thu Sep 12, 2019 9:20 am Post subject: Reply with quote

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Joined: 02 Nov 2006
Posts: 6105

HubertKleinmanns wrote:
Hmm,

- Google finds nothing

- Knowledge Center finds nothing

- "find" on Linux and AIX find nothing

- "Search" in Windows Explorer finds nothing

If it's not a typo I would say, this is some kind of self-written programm, not a part of MQ

That's a definite no, there's no way way I'd allow any libraries to be prefixed amq!
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hughson
PostPosted: Thu Sep 12, 2019 6:14 pm Post subject: Re: amqrmssa.c Reply with quote

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exerk wrote:
Background: I had a RCVR channel apparently stop/start itself, and this was in the Program(amqrmssa.c) attribute of the log print.


Please show the log print in question.

I would expect to see amqrmssa.c in the dotted line at the end of an error message in the error log along with the line number. This is to help IBM service when they are looking at the code of the product.

I would only expect to see an executable name in the Program attribute. Clearly anything.c is not an executable name and so it would be strange to see it there.

Cheers,
Morag
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exerk
PostPosted: Fri Sep 13, 2019 12:50 am Post subject: Re: amqrmssa.c Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6105

hughson wrote:
exerk wrote:
Background: I had a RCVR channel apparently stop/start itself, and this was in the Program(amqrmssa.c) attribute of the log print.


Please show the log print in question.

I would expect to see amqrmssa.c in the dotted line at the end of an error message in the error log along with the line number. This is to help IBM service when they are looking at the code of the product.

I would only expect to see an executable name in the Program attribute. Clearly anything.c is not an executable name and so it would be strange to see it there.

Cheers,
Morag

OK, muy bad. It is indeed the amqrmppa process.

My original post was off the back of information given me, as I did not have physical sight of the logs. Unfortunately that information was erroneous and not the fault of the individual concerned as their MQ knowledge is limited (organisational problem, not the individual's) - they were looking at the wrong line of the log print.

I have suggested opening a PMR to get an explanation for this activity.

Many thanks for all the responses, and my apologies if I wasted your time.
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tczielke
PostPosted: Fri Sep 13, 2019 7:10 am Post subject: Reply with quote

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Joined: 08 Jul 2010
Posts: 837
Location: Illinois, USA

I raised a PMR about it, as well.
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