You have an Integration Center Soap output job that has SOAP API URL https://apix.xxxxxxxx.xxx/sfapi/v1/soap that is failing with error:
Invalid Soap Response.
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SuccessFactors / Integration Center
Reproducing the Issue
1. Create an Integration Center Soap Output Job
2. Select your starting Entity.
3. Go to Destination Settings.
4. After running the job, its giving the error: Invalid SOAP response.
As per functionality of Integration Center, we support SOAP calls in general.
But specifically for SFAPI, this is not supported. There has to be an explicit SOAP call for login and then make next SOAP call to do the actual operation passing the cookies received from the first call. Which means, there has to be 2 SOAP calls with different operations within the same integration. And that can't be done using IC. That's why sfapi calls won't work with IC.
The SFAPI guide clearly says that before you can do any other SOAP operation you need to invoke Login API. While the IC document talks about only single SOAP call within an integration. There is no mention of multiple SOAP calls.
Please refer to this section in the SAP SuccessFactors HCM Suite SFAPI: Developer Guide:
If your use case is to make SOAP API calls from Integration Center using SFAPI, this is not supported.
However, if your usecase is to create a scheduled integration with Source and Destination as SuccessFactors, the correct option would be to create a query using the config as mentioned in the article 2748308
2748308 - What to select when creating a scheduled integration with Source and Destination as SuccessFactors - Integration Center
Integration Center, Soap Output, Invalid SOAP Response. , KBA , LOD-SF-INT , Integrations , LOD-SF-INT-INC , Integration Center , Problem