How To Fix UJX0_AT_MSG003 - Http communication failure: URL &1; Method &2; User &3;

SAP Error Message - Details

• Message type: E = Error

• Message class: UJX0_AT_MSG - RESTful Automation Test Messages

• Message number: 003

• Message text: Http communication failure: URL &1; Method &2; User &3;

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 UJX0_AT_MSG003 - Http communication failure: URL &1; Method &2; User &3; ?

  The SAP error message UJX0_AT_MSG003 indicates an HTTP communication failure when trying to connect to a specified URL using a particular method (GET, POST, etc.) and user credentials. This error can occur in various scenarios, such as when using SAP PI/PO, SAP Gateway, or when integrating with external systems.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target URL.
  Incorrect URL: The URL specified in the configuration may be incorrect or unreachable.
  Authentication Issues: The user credentials provided may be incorrect or the user may not have the necessary permissions.
  HTTP Method Issues: The HTTP method specified (GET, POST, etc.) may not be supported by the target service.
  Firewall/Proxy Issues: A firewall or proxy server may be blocking the communication.
  SSL/TLS Issues: If the URL is HTTPS, there may be issues with SSL certificates or TLS settings.
  Service Unavailability: The target service may be down or not responding.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the target URL. You can use tools like ping or curl to test connectivity.
  Verify URL: Double-check the URL for correctness. Make sure it is properly formatted and accessible.
  Check User Credentials: Ensure that the user credentials (username and password) are correct and that the user has the necessary permissions to access the service.
  Review HTTP Method: Confirm that the HTTP method being used is supported by the target service. Consult the service documentation if necessary.
  Firewall/Proxy Configuration: Check if there are any firewall rules or proxy settings that might be blocking the communication. Adjust configurations as needed.
  SSL/TLS Configuration: If using HTTPS, ensure that the SSL certificates are valid and properly configured in the SAP system. You may need to import the certificate into the SAP trust store.
  Service Status: Check the status of the target service to ensure it is up and running. You may need to contact the service provider if it is down.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs: Review the application logs in SAP (e.g., transaction SLG1) for more detailed error messages that can provide further insights into the issue.
  Documentation: Refer to the documentation of the specific SAP component you are using (e.g., SAP PI/PO, SAP Gateway) for configuration and troubleshooting guidelines.
  
  By systematically checking these areas, you should be able to identify and resolve the cause of the HTTP communication failure.