How To Fix SRT_WSP420 - Passed and found binding keys are different

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 420

• Message text: Passed and found binding keys are different

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP420 - Passed and found binding keys are different ?

  The SAP error message SRT_WSP420 indicates that there is a mismatch in the binding keys for a web service. This typically occurs in scenarios where a web service consumer and provider are not aligned in terms of the expected message structure or configuration.
  Cause:
  The error can arise due to several reasons:
  
  Different WSDL Versions: The consumer and provider may be using different versions of the WSDL (Web Services Description Language) file, leading to discrepancies in the expected message formats.
  Binding Configuration: The binding keys (which define how the service is accessed) may be configured differently on the consumer and provider sides.
  Service Endpoint Changes: If the service endpoint has changed and the consumer has not been updated accordingly, this can lead to binding mismatches.
  Namespace Issues: Differences in XML namespaces between the consumer and provider can also cause this error.
  
  Solution:
  To resolve the SRT_WSP420 error, you can take the following steps:
  
  
  Check WSDL Versions: Ensure that both the consumer and provider are using the same version of the WSDL. If there are updates, make sure to regenerate the proxy or client code accordingly.
  
  
  Review Binding Configuration: Verify the binding configurations on both sides. Ensure that the binding keys are consistent and correctly defined in the service registry.
  
  
  Update Service Endpoints: If there have been changes to the service endpoint, update the consumer configuration to point to the correct endpoint.
  
  
  Validate XML Namespaces: Check the XML namespaces used in the request and response messages. Ensure they match between the consumer and provider.
  
  
  Regenerate Proxy: If you are using a proxy in SAP, consider regenerating the proxy to ensure it aligns with the current service definition.
  
  
  Check for Changes in Service Definition: If there have been recent changes to the service definition, ensure that all consumers are updated to reflect those changes.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Web Service Configuration: Review the web service configuration in the SAP system, including the service registry and any related settings.
  Logs and Traces: Analyze the logs and traces in SAP to gather more context about the error. This can provide insights into what specific binding keys are causing the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the SRT_WSP420 error in your SAP environment.