How To Fix SRT_WSP2194 - Reverse Proxy "&1" has an invalid endpoint protocol substitution"&2".

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP2 - Messages for SRT WSP

• Message number: 194

• Message text: Reverse Proxy "&1" has an invalid endpoint protocol substitution"&2".

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 SRT_WSP2194 - Reverse Proxy "&1" has an invalid endpoint protocol substitution"&2". ?

  The SAP error message SRT_WSP2194 indicates that there is an issue with the configuration of a reverse proxy in the context of SAP Web Services. Specifically, the error message states that the reverse proxy has an invalid endpoint protocol substitution. This typically occurs when the system is trying to substitute a protocol (like HTTP or HTTPS) in the endpoint URL, but the substitution is not valid or not properly configured.
  Cause
  The error can be caused by several factors:
  
  Incorrect Configuration: The reverse proxy settings in the SAP system may not be correctly configured, leading to an invalid protocol substitution.
  Missing or Incorrect Protocol: The endpoint URL may be missing a valid protocol or may have an incorrect one specified.
  Proxy Settings: The reverse proxy server itself may not be set up correctly to handle the specified protocols.
  Network Issues: There may be network-related issues that prevent the proper resolution of the endpoint.
  
  Solution
  To resolve the error, you can follow these steps:
  
  
  Check Reverse Proxy Configuration:
  
  Go to the SAP system and check the configuration of the reverse proxy settings. Ensure that the endpoint URLs are correctly defined and that the protocols (HTTP/HTTPS) are valid.
  
  
  
  Validate Endpoint URLs:
  
  Review the endpoint URLs configured in the SAP system. Make sure that they include the correct protocol and are reachable.
  
  
  
  Review SAP Web Service Configuration:
  
  In transaction SOAMANAGER, check the web service configuration. Ensure that the endpoint is correctly defined and that the protocol substitution is set up properly.
  
  
  
  Check Network Configuration:
  
  Ensure that there are no network issues preventing access to the endpoint. This includes checking firewall settings, DNS resolution, and any other network-related configurations.
  
  
  
  Update Reverse Proxy Settings:
  
  If you are using a third-party reverse proxy (like Apache, Nginx, etc.), ensure that it is configured to handle the specified protocols correctly. Update the configuration if necessary.
  
  
  
  Test Connectivity:
  
  Use tools like curl or ping to test the connectivity to the endpoint from the SAP system. This can help identify if the issue is network-related.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of your SAP system for any known issues or additional configuration steps.
  
  
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that might 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 have found.
  Logs: Review the application logs in the SAP system for any additional error messages or warnings that might provide more context about the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the SRT_WSP2194 error message in your SAP environment.