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MQSeries.net Forum Index » General IBM MQ Support » Active Log Offload - Long Running UOW

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Rabbit
PostPosted: Mon Nov 29, 2004 2:29 am    Post subject: Active Log Offload - Long Running UOW Reply with quote

Newbie

Joined: 09 Feb 2004
Posts: 8

A client of ours uses the active log offload and identifies long running UOW. An exe has been identified and we are trying to reproduce the following error in the office:

Quote:
CSQJ160I LONG-RUNNING UOW FOUND, URID=urid CONNECTION NAME=name

Explanation: During active log offload, MQSeries encountered an uncommitted unit of recovery that now has records on the newly created archive log. The unit of recovery identifier urid together with the connection name name identify the associated thread.

System Action: Processing continues.

System Programmer Response: Consult with the application programmer to determine if there is a problem with the unit of recovery, and to ensure that the application commits work frequently enough. Uncommitted units of recovery can lead to difficulties later.


However, we don't have any IBM kit here but only a W2K server with MQSeries installation on. Therefore ARC LOG is not available to us.

Is there any other command that we can run under Windows that would identify the same issue as the above error message?
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JasonE
PostPosted: Mon Nov 29, 2004 4:25 am    Post subject: Reply with quote

Grand Master

Joined: 03 Nov 2003
Posts: 1220
Location: Hursley

Is the connection from w2k a client connection or a standard sdr/rcvr type connection. If not a client connection, I dont see why you would have long running things in the logs unless the conenction is in doubt. If a client connection then its probably a users app...
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Rabbit
PostPosted: Mon Nov 29, 2004 6:42 am    Post subject: Reply with quote

Newbie

Joined: 09 Feb 2004
Posts: 8

Hi Jason,

The connection is an MQClient connection. I'm just looking for a command that will identify (i.e. error or warning) with a similar message.

We have identified a syncpoint that does an MQGET on an empty queue but does not commit. We think this is why its a long running UOW.

The connection is open all the time for the duration of the W2K service.

Cheers,


C.
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JasonE
PostPosted: Mon Nov 29, 2004 7:09 am    Post subject: Reply with quote

Grand Master

Joined: 03 Nov 2003
Posts: 1220
Location: Hursley

No - looking windows side wont help you. The only person who tracks
puts, gets etc for units of work are MQ servers. MQ Clients are trivial code which just packages the request up and it gets issued on another system (think RPC type).

Ie from the client side it has no idea its a long running application...it has just sent the api requests for someone else to action.
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