We are calling an external web service in ECC6 via XI server.
Request for data:
ECC6 -> XI -> Web service (WSDL) -> XI -> ECC6
We are facing an intermittent problem where the transfer of data (return route) from XI -> ECC6 could be extremely slow (normally ~3 seconds but intermittently it could be anywhere between 1 minute to >10 minutes).
I have checked that in XI monitoring, the web service call and respond was almost immediate (1-2 seconds) in every single call so there is absolutely no problem with the web service respond time.
In fact, the values are already recorded in XI monitoring, and the log in XI shows that processing has been passed back to ECC6. However, in ECC6, it could take a long time to process.
I am unable to find any log to investigate further on this. Does anyone have any idea what could be wrong, or how I can find the log to this performance issue?
Thank you in advance.