How To Fix /UI2/CORE_FES009 - Failed to receive HTTP client data (SM59 destination &1 ), HTTP status &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CORE_FES -

• Message number: 009

• Message text: Failed to receive HTTP client data (SM59 destination &1 ), HTTP status &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 /UI2/CORE_FES009 - Failed to receive HTTP client data (SM59 destination &1 ), HTTP status &2 ?

  The SAP error message /UI2/CORE_FES009 Failed to receive HTTP client data (SM59 destination &1), HTTP status &2 typically indicates an issue with the HTTP connection to a specified destination in the SAP system. This error can occur in various scenarios, particularly when using SAP Fiori applications or when there are issues with the backend services.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target destination.
  Incorrect SM59 Configuration: The RFC destination (SM59) may not be configured correctly, leading to failed connections.
  Backend Service Unavailability: The backend service that the Fiori application is trying to reach may be down or not responding.
  Firewall Restrictions: Firewalls or security settings may be blocking the HTTP requests.
  Timeouts: The request may be timing out due to long processing times or server overload.
  SSL Issues: If the connection is secured with SSL, there may be issues with the SSL certificate or configuration.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the target destination is stable and operational. You can use tools like ping or traceroute to diagnose connectivity issues.
  Review SM59 Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination.
  Ensure that the target host, service, and connection type are correctly set.
  Test the connection using the "Connection Test" option in SM59.
  
  
  Check Backend Service: Verify that the backend service is up and running. You can do this by accessing the service URL directly in a web browser or using tools like Postman.
  Firewall and Security Settings: Check if there are any firewall rules or security settings that might be blocking the HTTP requests. Work with your network/security team to ensure that the necessary ports are open.
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the HTTP connection settings.
  SSL Configuration: If using SSL, ensure that the SSL certificate is valid and properly configured. You may need to import the certificate into the SAP system's trust store.
  Check Logs: Review the application logs (transaction SLG1) and system logs (transaction SM21) for any additional error messages that might provide more context.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  Documentation: Review the official SAP documentation for Fiori and HTTP connections for best practices and configuration guidelines.
  
  By following these steps, you should be able to diagnose and resolve the error message /UI2/CORE_FES009. If the issue persists, consider reaching out to SAP support for further assistance.