How To Fix SWF_HTTP101 - Attribute '&1' in WSDL element <&2> refers to an external WSDL document

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 101

• Message text: Attribute '&1' in WSDL element <&2> refers to an external WSDL document

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_HTTP101 - Attribute '&1' in WSDL element <&2> refers to an external WSDL document ?

  The SAP error message SWF_HTTP101 indicates that there is an issue with a WSDL (Web Services Description Language) document being used in a workflow or service definition. Specifically, the error states that an attribute in the WSDL refers to an external WSDL document, which can lead to issues in processing or accessing the service.
  Cause:
  
  External WSDL Reference: The WSDL document you are working with includes a reference to another WSDL document. This can happen if the WSDL is designed to include types or services defined in another WSDL.
  Network Issues: If the external WSDL is hosted on a remote server, network issues or incorrect URLs can prevent access to the external document.
  Configuration Issues: The system may not be configured correctly to resolve external WSDL references, or the external WSDL may not be accessible due to firewall or security settings.
  
  Solution:
  
  Check the WSDL URL: Verify that the URL of the external WSDL is correct and accessible. You can try to access it directly in a web browser or use tools like curl to check connectivity.
  Download and Include Locally: If the external WSDL is not accessible, consider downloading it and including it directly in your project or service definition. This way, you can avoid issues related to external references.
  Update WSDL References: If you have control over the WSDL, you can modify it to remove the external references or to point to a local copy of the WSDL.
  Check Network Configuration: Ensure that your network settings allow access to the external WSDL. This may involve checking proxy settings, firewall rules, or other network configurations.
  Consult Documentation: Review SAP documentation or community forums for any specific configurations or settings that may be required for handling external WSDL references.
  
  Related Information:
  
  WSDL Structure: Understanding the structure of WSDL documents can help you identify where the external references are and how they are defined.
  SAP Workflow Configuration: Familiarize yourself with SAP workflow configuration settings, as there may be specific parameters that need to be set for external service calls.
  Error Logs: Check SAP error logs for additional context or related error messages that may provide more insight into the issue.
  SAP Notes: Look for SAP Notes related to SWF_HTTP101 for any patches or updates that may address known issues with external WSDL references.
  
  By following these steps, you should be able to diagnose and resolve the SWF_HTTP101 error in your SAP environment.