How To Fix /STMC/CR_MSG687 - Error while testing HTTP connection &1; &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /STMC/CR_MSG -

• Message number: 687

• Message text: Error while testing HTTP connection &1; &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.

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 /STMC/CR_MSG687 - Error while testing HTTP connection &1; &2 ?

  The SAP error message /STMC/CR_MSG687 typically indicates an issue with testing an HTTP connection in the SAP system. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target HTTP server.
  Incorrect URL: The URL being tested may be incorrect or malformed.
  Firewall Restrictions: Firewalls or security settings may be blocking the HTTP request.
  Server Unavailability: The target HTTP server may be down or not responding.
  SSL/TLS Issues: If the connection is over HTTPS, there may be issues with SSL certificates or TLS settings.
  Proxy Configuration: If a proxy is required to access the internet, it may not be configured correctly in the SAP system.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify connectivity to the target server.
  Ensure that the SAP server can reach the target HTTP server.
  
  
  
  Verify the URL:
  
  Double-check the URL for correctness, including the protocol (HTTP/HTTPS), hostname, and path.
  
  
  
  Review Firewall Settings:
  
  Ensure that the necessary ports (usually 80 for HTTP and 443 for HTTPS) are open in the firewall settings.
  
  
  
  Check Server Status:
  
  Verify that the target HTTP server is up and running. You can do this by accessing the URL from a web browser or using tools like curl.
  
  
  
  SSL/TLS Configuration:
  
  If using HTTPS, ensure that the SSL certificates are valid and properly configured in the SAP system.
  Check the SSL settings in transaction STRUST to ensure that the correct SSL client and server certificates are in place.
  
  
  
  Proxy Settings:
  
  If a proxy is required, configure it in the SAP system using transaction SMICM (ICM Monitor) and ensure that the proxy settings are correct.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SMICM: ICM Monitor for checking HTTP connections.
  SICF: Service Hierarchy for managing HTTP services.
  STRUST: Trust Manager for managing SSL certificates.
  
  
  
  Logs and Traces:
  
  Check the ICM logs for more detailed error messages. You can find these logs in the directory specified in the profile parameter icm/trace.
  
  
  
  SAP Community and Support:
  
  If the issue persists, consider reaching out to the SAP Community or SAP Support for further assistance.
  
  
  
  By following these steps, you should be able to identify and resolve the issue causing the /STMC/CR_MSG687 error when testing the HTTP connection.