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Avanxo ServiciosAvanxo Servicios 

Error integration SAP Salesforce

We are currently on a go-live stage for our implementation project and we have been experiencing some issues regarding inbound integration with another system. At some points of the day, Salesforce is responding with the following message to the external: 

It is quite random, but the steps to reproduce are basically to invoke a SOAP web service exposed by Salesforce from the external system
User-added image
User-added image
HTTP/1.1 500 Server Error
INVALID_LOGIN
AnudeepAnudeep (Salesforce Developers) 
Hi Avanxo, 

Usually the 'unable to create a socket' message has something to do with the connection. It appears this is from SAP end as per the below threads:-

>> http://scn.sap.com/thread/3495520
>> http://scn.sap.com/thread/1567711
>> http://scn.sap.com/thread/3432658

Are you able to establish a SOAP connection using SOAPUI or another tool?

Anudeep