PI 7.4 java stack only, Acknowledgement creation not triggered

Question

Hello everyone
I have one IDoc-To-File scenario working fine, including acknowledgements (ALEAUD) being sent back to the sending system. The message log in such cases looks like this:
But I have another IDoc-To-HTTP scenario for which the acknowledgement (ALEAUD) creation is not being triggered, thus the system that originally sends IDocs doesn't get back any acknowledgements. In the message details I can see this:
I believe that it is because of QOS = EO (async) and the http adapter continues (and fails) without waiting for a http status code coming back from the receiver.
Just to try it out I would like to set QOS to BE (best effort). How and where to achieve this?
Thanks anyone for some help!
Kind regards
Renaud

Answer 1

ok, in the message log I found this:
So this is clearly an error coming back from receiver system... sorry, didn't realize it somehow.
But still... why is no acknowledgement (ALEAUD) being triggered?
This is how I configured it in the Integration Builder and NWA:
Business System A with a sender communication channel B of adapter type IDoc_AAE
RFC Parameters = From NWA
Resource Adapter Name = A_RA
Ack Connection Factory Name (reuse NWA configuration) = A_CF
On the Ack Settings Tab I checked "System Ack Ok Requested" and "System Ack Error Requested" and "ALEAUD Special Handling Needed"
Connection from PI -> SAP ERP System A
In NWA I created a new Destination of type RFC called ACLNT<CLIENT> pointing to sender ERP system (A)
Connection Test (ping) is successful
Connection from SAP ERP System A to PI
In NWA I created a new Resource Adapter called A_RA and configured its properties like this:
Binding Key = PI_AAE_IDOC
destinationName = ACLNT<CLIENT>
gatewayServer = <IP of ERP system>
gatewayService = sapgw<instance n° of ERP system>
local = false
MaxReaderThreadCount = 5
multiRepository =
ProgramID = PI_4_A<CLIENT>
In SAP ERP system in SM59 I created a new RFC destination, type = T, as registered server program with same ProgramID (PI_4_A<CLIENT>)
Connection test (in SM59) is successful
To enable / allow acknowledgements...
I set the persistance parameter to true in the JavaIdocAdapter
I created a JCA Connection Factory on the outboundRA Resource Adapter. Within this JCA Connection Factory I put in Configuration Properties the destinationName = ACLNT<CLIENT> (the RFC Destination Name created earlier and pointing to the sending SAP ERP System A which should receive acknowledgement ALEAUD Idocs).
I did the same for the IDoc-2-File scenario mentionend in my 1st post... there acknowledgment messages are working fine.
Best regards
Renaud