How To Fix ESH_FL_MSG001 - HTTP connection could not be instantiated

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_FL_MSG - File Processing

• Message number: 001

• Message text: HTTP connection could not be instantiated

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 ESH_FL_MSG001 - HTTP connection could not be instantiated ?

  The SAP error message ESH_FL_MSG001 indicates that an HTTP connection could not be instantiated, which typically occurs in the context of SAP Enterprise Search or when trying to connect to external services or systems via HTTP. This error can arise due to various reasons, including configuration issues, network problems, or incorrect settings.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target service.
  Incorrect URL: The URL configured for the HTTP connection may be incorrect or malformed.
  Proxy Settings: If a proxy is required to access the external service, the proxy settings may not be configured correctly.
  Authentication Issues: If the external service requires authentication, the credentials may be incorrect or missing.
  Firewall Restrictions: Firewalls may be blocking the connection to the external service.
  Service Unavailability: The external service may be down or not reachable at the moment.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the external service. You can use tools like ping or telnet to test connectivity.
  Verify URL: Double-check the URL configured in the HTTP connection settings to ensure it is correct.
  Review Proxy Settings: If a proxy is needed, ensure that the proxy settings in the SAP system are correctly configured. This can be done in transaction SM59 (RFC Destinations).
  Check Authentication: If the external service requires authentication, verify that the correct credentials are being used and that they are properly configured in the HTTP connection settings.
  Firewall Configuration: Ensure that any firewalls between the SAP system and the external service are configured to allow traffic on the required ports.
  Service Status: Check the status of the external service to ensure it is up and running.
  
  Related Information:
  
  Transaction SM59: This transaction is used to configure and test RFC destinations, including HTTP connections.
  Transaction SICF: This transaction can be used to manage HTTP services in the SAP system.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to HTTP connections or the Enterprise Search functionality.
  Logs and Traces: Review the application logs (transaction SLG1) and HTTP traces (transaction ST01) for more detailed error messages that can provide additional context.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.