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MQSeries.net Forum Index » General IBM MQ Support » application looses connection to MQ

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Levko1982
PostPosted: Thu Dec 18, 2008 7:59 am    Post subject: application looses connection to MQ Reply with quote

Newbie

Joined: 17 Dec 2008
Posts: 1
Hello, experts!
I've got a problem mentioned above and have no clue what's going on.

From time to time the MQ stops working on this server and it starts again after 40-50 min without any intervention from our side.

The only error that I find in the logs was:

16/12/2008 13:44:03 - Process(4684.702) User(4050TMQP) Program(amqrmppa.exe)
AMQ9207: The data received from host 'defrwbp121dbk36 ((ä†)' is not valid.

EXPLANATION:
Incorrect data format received from host 'defrwbp121dbk36 ((ä†)' over TCP/IP.
It may be that an unknown host is attempting to send data. An FFST file has
been generated containing the invalid data received.
ACTION:
Tell the systems administrator.
----- amqxfdcp.c : 730 --------------------------------------------------------
16/12/2008 13:44:03 - Process(4684.702) User(4050TMQP) Program(amqrmppa.exe)
AMQ6183: An internal WebSphere MQ error has occurred.

EXPLANATION:
An error has been detected, and the WebSphere MQ error recording routine has
been called. The failing process is process 4684.

That's what is written in FFST file:

+-----------------------------------------------------------------------------+
| |
| WebSphere MQ First Failure Symptom Report |
| ========================================= |
| |
| Date/Time :- Tue December 16 13:44:03 W. Europe Standard Time 2008 |
| Host Name :- DEFRWBP121DBK36 (Windows Ver 5.2 Build 3790: Service |
| Pack 1) |
| PIDS :- 5724H7200 |
| LVLS :- 6.0.2.0 |
| Product Long Name :- WebSphere MQ for Windows |
| Vendor :- IBM |
| Probe Id :- CO052000 |
| Application Name :- MQM |
| Component :- cciTcpReceive |
| SCCS Info :- lib/comms/amqccita.c, 1.255.1.11 |
| Line Number :- 3226 |
| Build Date :- Sep 21 2006 |
| CMVC level :- p600-200-060921 |
| Build Type :- IKAP - (Production) |
| UserID :- 4050TMQP |
| Process Name :- C:\Program Files\IBM\WebSphere MQ\bin\amqrmppa.exe |
| Addressing mode :- 32-bit |
| Process :- 00004684 |
| Thread :- 00000702 |
| Major Errorcode :- rrcE_BAD_DATA_RECEIVED |
| Minor Errorcode :- OK |
| Probe Type :- MSGAMQ9207 |
| Probe Severity :- 2 |
| Probe Description :- AMQ9207: The data received from host 'defrwbp121dbk36 |
| ((ä†)' is not valid. |
| FDCSequenceNumber :- 0 |
| Comment1 :- defrwbp121dbk36 ((ä†) |
| |
| Comment2 :- TCP/IP |
| |
| Comment3 :- |
| |
| |
+-----------------------------------------------------------------------------+

What is suspicious for me - it strange hostname ('defrwbp121dbk36 ((ä†)' ) in the error log. What's that - ((ä†)?

Could you please give me some hints what can be the cause of such behavior?

Thank you in advance!
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exerk
PostPosted: Thu Dec 18, 2008 8:12 am    Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6339
Is someone running a port scanner against your queue manager listener port?
_________________
It's puzzling, I don't think I've ever seen anything quite like this before...and it's hard to soar like an eagle when you're surrounded by turkeys.
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