How To Fix SWF_HTTP117 - Error when generating the output message from the service callback

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 117

• Message text: Error when generating the output message from the service callback

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_HTTP117 - Error when generating the output message from the service callback ?

  The SAP error message SWF_HTTP117 typically occurs in the context of SAP Workflow when there is an issue with generating the output message from a service callback. This error can arise due to various reasons, including configuration issues, network problems, or issues with the service itself.
  Causes of SWF_HTTP117 Error
  
  
  Service Configuration Issues: The service that is being called may not be configured correctly. This could include incorrect endpoint URLs, authentication issues, or missing parameters.
  
  
  Network Issues: There may be network connectivity problems between the SAP system and the external service. This could be due to firewall settings, DNS issues, or other network-related problems.
  
  
  Service Availability: The external service may be down or not responding. This could be due to maintenance, outages, or other service-related issues.
  
  
  Data Format Issues: The data being sent to the service may not be in the expected format, leading to errors when the service tries to process the request.
  
  
  Authorization Issues: The user or service account being used to call the external service may not have the necessary permissions.
  
  
  Solutions to SWF_HTTP117 Error
  
  
  Check Service Configuration:
  
  Verify the configuration of the service in the SAP system. Ensure that the endpoint URL, authentication details, and any required parameters are correctly set.
  
  
  
  Test Network Connectivity:
  
  Use tools like ping or telnet to check if the SAP system can reach the external service. Ensure that there are no firewall rules blocking the connection.
  
  
  
  Check Service Status:
  
  Confirm that the external service is up and running. You can do this by trying to access the service directly through a web browser or using tools like Postman.
  
  
  
  Validate Data Formats:
  
  Ensure that the data being sent to the service is in the correct format. Check for any required fields and ensure that the data types match what the service expects.
  
  
  
  Review Authorization Settings:
  
  Check the authorization settings for the user or service account being used to call the external service. Ensure that it has the necessary permissions to access the service.
  
  
  
  Check Logs for Detailed Errors:
  
  Review the SAP application logs (transaction SLG1) for more detailed error messages that can provide additional context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to the documentation for the specific service you are trying to call. There may be specific requirements or known issues that could help resolve the error.
  
  
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SWI1 (Work Item Selection) and SWI2_FREQ (Work Item Frequency) to monitor workflow instances and their statuses.
  
  By following these steps, you should be able to identify and resolve the SWF_HTTP117 error in your SAP system.