on 06-30-2016 2:28 PM
Hello All, I have gone through all the pipeline steps in message processing in sap PI 7.4, but i would like to understand exactly what is happening when i see in logs:
Trying to put the message into the send queue
Message successfully put into the queue
The message was successfully retrieved from the send queue
Message status set to DLNG
I can see sequence of such four logs after each step like calling module processor ,validation,Mapping execution, delivering to receiver channel
can anyone help me to understand, why above logs are generating.
Thanks,
Shiv
Hello shiv,
In simple words it is the sequnce in which incoming message is processed in PI.
module processor-If you have any module to be validate(Ex:PGP decryption)This will happen in this step
validation-XML will be validated against Schema if the option is enabled.
Mapping execution-Mapping program will be executed in case of any message structure transformation.
delivering to receiver channel-Final step where the message will be placed in the channel to deliver to the target system.
More details in the below link
Message Processing at Runtime - SAP NetWeaver Process Integration - SAP Library
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Hello Raghu,
Thanks for your reply!, i am aware of these pipeline steps module processor-validation-Mapping execution-delivering to receiver channel, but i would like to understand what does below logs,
-=-=
1.Trying to put the message into the send queue
2.Message successfully put into the queue
3.The message was successfully retrieved from the send queue
4.Message status set to DLNG
-=-=========
why they are appearing for many times and what is role of Messaging system ?
Thanks,
Shiv
Hello Shiv,
Possible reason of multiple occurrences of log entries indicates message put / retrieve from a queue, may be message staging being enabled for multiple pipeline steps (either globally for the Adapter Engine or only for a specific scenario). As mentioned in the blog and PI/PO Performance Check Guide (see SAP Note 894509), for every staged version, the message is put back to a queue, and then retrieved for further processing.
Regards,
Vadim
Hello Klimov,
Thank you so much for your reply!
Actually issue is, i can see there is 6 hour difference between below two logs,
1.Trying to put the message into the send queue
2.Message successfully put into the queue
after six hours of time
3.The message was successfully retrieved from the send queue
4.Message status set to DLNG
so, i want to understand why this gap of six hours taken, to retrieve message from send queue.
Thanks,
Shiv
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Hi Shiv,
Can you please check backlog of the dispatcher queue and corresponding adapter consumer threads utilization for time period when this delay is observed? For example, if you have Wily Introscope configured for the PO system, it provides this kind of metrics and historical outlook at them.
Regards,
Vadim
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