How To Fix SWF_HTTP021 - Export message of service could not be processed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 021

• Message text: Export message of service could not be processed

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_HTTP021 - Export message of service could not be processed ?

  The SAP error message SWF_HTTP021, which states "Export message of service could not be processed," typically occurs in the context of SAP Workflow or when dealing with HTTP services in SAP. This error can arise due to various reasons, including configuration issues, network problems, or issues with the service itself.
  Causes:
  
  Service Configuration Issues: The service may not be properly configured in the SAP system. This includes incorrect endpoint URLs, missing parameters, or incorrect authentication settings.
  Network Issues: There may be network connectivity problems between the SAP system and the external service or system it is trying to communicate with.
  Service Availability: The external service may be down or not responding, leading to the inability to process the export message.
  Authorization Issues: The user or service account may not have the necessary permissions to access the service.
  Data Format Issues: The data being sent or received may not be in the expected format, leading to processing errors.
  Timeouts: The request may be timing out due to long processing times on the external service.
  
  Solutions:
  
  Check Service Configuration: Verify the configuration settings for the service in SAP. 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 firewalls or network policies are not blocking the connection.
  Monitor Service Availability: Check the status of the external service to ensure it is up and running. If the service is down, you may need to wait until it is restored.
  Review Authorization Settings: Ensure that the user or service account has the necessary permissions to access the service. This may involve checking roles and authorizations in SAP.
  Validate Data Formats: Ensure that the data being sent to the service is in the correct format and adheres to any required schemas or standards.
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings for the HTTP request in the SAP system.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the SWF_HTTP021 error. SAP frequently updates its knowledge base with solutions for common errors.
  Transaction Codes: Use transaction codes like SWI1 (Work Item Selection) or SWI2_FREQ (Work Item Analysis) to analyze workflow instances and identify where the error is occurring.
  Debugging: If you have access, consider debugging the workflow or the HTTP service call to get more detailed information about the error.
  Logs: Review the application logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team for further investigation.