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Message
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| sri_csee1983 |
 Posted: Tue Apr 22, 2008 11:23 pm Post subject: Execution group Stopped Automatically |
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Centurion
Joined: 25 Mar 2008
Posts: 125
Location: Chennai,India
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Dear Friends,
Good day. I have developed a broker which has six execution groups. And testing is going on for the same. So far didnt face any problem because of broker. Though I am monitoring the perfomance and other factors. While monitoring the events in Event Viewer in Windows, I found the following log.
( RHB_BROKER.SendMoney ) Execution group using process '4544' thread '5476' stopped.
The execution group using process '4544' and thread '5476' has stopped. This may be because it has been instructed to do so or because it has encountered a problem.
No user action required. The execution group will be restarted automatically if need be.
What should be the reason for the above? 
But it didnt cause any problem, so far.
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| Gaya3 |
| Posted: Tue Apr 22, 2008 11:38 pm Post subject: |
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Jedi
Joined: 12 Sep 2006
Posts: 2493
Location: Boston, US
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go to the broker server and confirm it by verifying the same
check the system logs first...why and for what reason it happened.
Regards
Gayathri
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Gayathri
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| sri_csee1983 |
| Posted: Wed Apr 23, 2008 12:41 am Post subject: |
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Centurion
Joined: 25 Mar 2008
Posts: 125
Location: Chennai,India
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Dear Gaya,
I have checked this in Windows Broker Server only, And also nothing found in the System Log.
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| Vitor |
| Posted: Wed Apr 23, 2008 12:42 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: |
| go to the broker server and confirm it by verifying the same |
Verifying what? That a thread has stopped? If it's been logged in the Event Viewer, it probably has.
| Gaya3 wrote: |
| check the system logs first...why and for what reason it happened. |
On Windows, the Event Viewer is the system log. This advice is tautological and not especially helpful.
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| Vitor |
| Posted: Wed Apr 23, 2008 12:43 am Post subject: Re: Execution group Stopped Automatically |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| sri_csee1983 wrote: |
( RHB_BROKER.SendMoney ) Execution group using process '4544' thread '5476' stopped.
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All this means is one of the threads of the execution group has stopped, most likely because it's no longer required.
Like it says, no user action required. Like you said, it's not caused a problem.
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| Gaya3 |
| Posted: Wed Apr 23, 2008 1:10 am Post subject: |
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Jedi
Joined: 12 Sep 2006
Posts: 2493
Location: Boston, US
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thought the broker is running on some other box.
anyway, start it and test if its running or not
Regards
Gayathri
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Gayathri
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| Vitor |
| Posted: Wed Apr 23, 2008 1:24 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: |
anyway, start it and test if its running or not
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If srt_csee1983 claims that's it's not caused a problem then IMHO it's fair to assume that both broker & execution group are still running. Which would be the case if only a thread had been stopped. If either the broker or the execution group had stopped, they might have thought that a problem. People do.
Do keep up. 
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| sri_csee1983 |
| Posted: Wed Apr 23, 2008 1:38 am Post subject: |
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Centurion
Joined: 25 Mar 2008
Posts: 125
Location: Chennai,India
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Dear Victor/Gaya,
Thanx for ur reply. Once the message arrived to the message flows mentioned in the execution group, the message was processed without any issues. But the mentioned execution group's one of the flow was tested after a 3 days, but it was running all the days. Other flows in the same Execution group was cont tested. May be this caused tht message. So v tested tht flow alone now. Even tht is not having any issue. Thanx once again  
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| Gaya3 |
| Posted: Wed Apr 23, 2008 2:47 am Post subject: |
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Jedi
Joined: 12 Sep 2006
Posts: 2493
Location: Boston, US
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sri_csee1983, dont panic
Regards
Gayathri
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Gayathri
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| sunny_30 |
| Posted: Wed Apr 23, 2008 6:40 am Post subject: |
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Master
Joined: 03 Oct 2005
Posts: 258
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sri,
Look for if any abend files got generated during the time the Exec-grp process restarted.
Path to check:
%MQSI_WORKPATH%\common\errors
Usually on a windows system, it will be:
C:\Documents and Settings\All Users\Application Data\IBM\MQSI\common\errors
-Sunny |
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| sri_csee1983 |
| Posted: Wed Apr 23, 2008 7:39 pm Post subject: |
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Centurion
Joined: 25 Mar 2008
Posts: 125
Location: Chennai,India
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Dear sunny_30,
Can you let me know where it will be in MB5.3. Coz I saw in all the folders of C:\Program Files\IBM\WebSphere Business Integration Message Brokers
nothing found.
Dear Gaya,
There is nothing to panic 
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| Gaya3 |
| Posted: Wed Apr 23, 2008 8:06 pm Post subject: |
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Jedi
Joined: 12 Sep 2006
Posts: 2493
Location: Boston, US
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there wont be any abend files for this case, as your flow is working fine
Regards
Gayathri
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| sunny_30 |
| Posted: Wed Apr 23, 2008 8:33 pm Post subject: |
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Master
Joined: 03 Oct 2005
Posts: 258
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Gaya,
The unusual restart of the Exec-grp process - DataFlowEngine.exe is a problem.
For example, even the flow is processing/routing messages just fine, the exec-grp process might overtime restart due to memory-problems. For this reason, many chances are that abends will also be created. IBM-support can help decipher the reason if abends are created.
The IBM-help says:
| Code: |
| When a process ends abnormally (an abend or dump), an entry is made in the syslog, or the Windows Event log. If there is more data to be written than is appropriate for the log, a new file is created to contain it, and the log entry tells you the file name. You need to send the file to your IBM Support Center for analysis. Abend files are never generated during normal operation; always involve your IBM Support Center when they do occur. |
Note: Sri mentioned that Evnt-log has said the process-thread has restarted. Not sure here if the process was continuosly running & just one of its threads has restarted here. Vitor mentioned that the flow when idle may restart the process-thread. Im not an expert on how these things exactly work but I know even if a DataFlowEngine process has abended no user action wd be needed as it automatically restarts immediately.
Just as a next step I suggested Sri to check if any abends were created.
Sri,
From MB 5.0 help:
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| Windows filename.abend in the broker_work_path\errors directory (if broker_work_path has been set using the -w parameter of the mqsicreatebroker command), or, if the broker work path has not been specified, to the install_dir\errors directory, where install_dir is the directory where WebSphere Business Integration Message Broker is installed. If it is not possible to write to this directory, the file is put in the install_dir\log directory, but in either case, the message in the Event Log tells you where to find it. |
so check install_dir\errors for any abends.
-Sunny |
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| sri_csee1983 |
| Posted: Wed Apr 23, 2008 11:08 pm Post subject: |
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Centurion
Joined: 25 Mar 2008
Posts: 125
Location: Chennai,India
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Dear Sunny,
Thanx for ur very proactiveness. The first path in which I checked for log, as soon as saw this in the event viewer was the path mentioned by u. I didnt find any errors there. and also I kept the user trace to debug for all the flows in the Execution group. Nothing wrong in the trace also. So shall v conclude tht no issues?  Or anything else shud I check, please let me know. But these two days no such log in the event viewer 
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Sri |
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