How To Fix SWF_HTTP116 - Error when generating output message from HTTP response of service

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_HTTP - Web Services in the Workflow: Server Functions

• Message number: 116

• Message text: Error when generating output message from HTTP response of service

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_HTTP116 - Error when generating output message from HTTP response of service ?

  The SAP error message SWF_HTTP116 typically occurs when there is an issue with generating an output message from the HTTP response of a service in the context of SAP Workflow or SAP Process Integration (PI). This error can arise due to various reasons, including issues with the HTTP response format, network problems, or configuration errors.
  Causes of SWF_HTTP116 Error
  
  
  Invalid HTTP Response: The HTTP response from the service may not be in the expected format (e.g., JSON, XML) or may contain errors that prevent proper parsing.
  
  
  Network Issues: There may be connectivity issues between the SAP system and the external service, leading to incomplete or malformed responses.
  
  
  Service Configuration: The service endpoint may not be correctly configured in the SAP system, leading to incorrect requests or responses.
  
  
  Authorization Issues: The user or service account may not have the necessary permissions to access the external service.
  
  
  Timeouts: The request may be timing out due to slow response times from the external service.
  
  
  Data Mapping Issues: There may be issues with how data is mapped between the SAP system and the external service.
  
  
  Solutions to SWF_HTTP116 Error
  
  
  Check HTTP Response: Use tools like Postman or cURL to manually test the HTTP service and verify that the response is valid and in the expected format.
  
  
  Review Service Configuration: Ensure that the service endpoint is correctly configured in the SAP system, including the URL, authentication details, and any required headers.
  
  
  Network Connectivity: Check network connectivity between the SAP system and the external service. Ensure that firewalls or proxies are not blocking the requests.
  
  
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the SAP system for HTTP requests.
  
  
  Check Authorization: Verify that the user or service account has the necessary permissions to access the external service.
  
  
  Error Handling: Implement error handling in your workflow to capture and log detailed error messages for further analysis.
  
  
  Debugging: Use transaction codes like SWI1 (Work Item Selection) or SWI2_DIAG (Work Item Diagnosis) to analyze the workflow and identify where the error is occurring.
  
  
  Consult Logs: Check the application logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  Related Information
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the SWF_HTTP116 error.
  Documentation: Review the official SAP documentation for the specific service you are integrating with to ensure compliance with expected formats and protocols.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the SWF_HTTP116 error effectively.