How To Fix CM_EHDGM_CLFN_PDCTN051 - Cannot create http client

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHDGM_CLFN_PDCTN - Messages for Classification Prediction Integration

• Message number: 051

• Message text: Cannot create http client

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 CM_EHDGM_CLFN_PDCTN051 - Cannot create http client ?

  The SAP error message CM_EHDGM_CLFN_PDCTN051 indicating "Cannot create HTTP client" typically arises in the context of SAP systems when there is an issue with the HTTP client configuration or connectivity. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target server.
  Configuration Errors: The HTTP client configuration in the SAP system may be incorrect or incomplete.
  Authorization Issues: The user or service account may not have the necessary permissions to create an HTTP client.
  Resource Limitations: The system may be running out of resources (e.g., memory, threads) to create a new HTTP client.
  Incorrect URL: The URL being accessed may be malformed or incorrect.
  Firewall or Proxy Issues: Firewalls or proxy settings may be blocking the HTTP requests.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that the SAP system can reach the target server. You can use tools like ping or telnet to test connectivity.
  
  
  
  Review HTTP Client Configuration:
  
  Go to transaction SOAMANAGER and check the configuration of the HTTP client. Ensure that all settings (like endpoint URL, authentication methods, etc.) are correct.
  
  
  
  Check Authorizations:
  
  Verify that the user or service account has the necessary authorizations to perform HTTP calls. This may involve checking roles and profiles in the SAP system.
  
  
  
  Monitor System Resources:
  
  Use transaction SM50 or SM66 to monitor system resources. If the system is under heavy load, consider optimizing performance or increasing resources.
  
  
  
  Validate the URL:
  
  Double-check the URL being used in the HTTP request. Ensure it is correctly formatted and accessible.
  
  
  
  Firewall/Proxy Configuration:
  
  If your SAP system is behind a firewall or uses a proxy, ensure that the necessary rules are in place to allow outbound HTTP requests.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SOAMANAGER: For managing web service configurations.
  SMICM: For monitoring the Internet Communication Manager (ICM).
  SICF: For managing HTTP services in the SAP system.
  
  
  
  Logs and Traces:
  
  Check the application logs (transaction SLG1) and the ICM logs for more detailed error messages that can provide additional context.
  
  
  
  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 diagnose and resolve the issue related to the error message CM_EHDGM_CLFN_PDCTN051.