How To Fix SECM019 - HTTP communication failure

SAP Error Message - Details

• Message type: E = Error

• Message class: SECM - SECM: Messages

• Message number: 019

• Message text: HTTP communication failure

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 SECM019 - HTTP communication failure ?

  The SAP error message SECM019, which indicates an "HTTP communication failure," typically arises when there are issues with the HTTP connection between the SAP system and an external service or system. This error can occur in various contexts, such as when trying to access web services, APIs, or other HTTP-based communications.
  Causes of SECM019 HTTP Communication Failure
  
  
  Network Issues: Problems with the network connection, such as firewalls blocking traffic, DNS resolution issues, or network outages.
  
  
  Incorrect URL: The URL being accessed may be incorrect or malformed, leading to a failure in establishing a connection.
  
  
  Service Unavailability: The external service or endpoint may be down or not responding.
  
  
  Authentication Issues: If the external service requires authentication, incorrect credentials or tokens may lead to a failure in communication.
  
  
  SSL/TLS Issues: Problems with SSL certificates, such as expired certificates or misconfigured SSL settings, can prevent secure connections.
  
  
  Proxy Configuration: If a proxy server is required for HTTP communication, incorrect proxy settings can lead to failures.
  
  
  Timeouts: The request may be timing out due to slow responses from the external service.
  
  
  Solutions to SECM019 HTTP Communication Failure
  
  
  Check Network Connectivity: Ensure that the SAP system can reach the external service. Use tools like ping or traceroute to diagnose network issues.
  
  
  Verify URL: Double-check the URL being used for the HTTP request to ensure it is correct and accessible.
  
  
  Service Status: Check the status of the external service to ensure it is up and running. You can do this by accessing the service directly through a web browser or using tools like curl.
  
  
  Authentication Credentials: If the service requires authentication, verify that the credentials (username, password, tokens) are correct and have not expired.
  
  
  SSL/TLS Configuration: If using HTTPS, ensure that the SSL certificates are valid and properly configured. You may need to import the certificate into the SAP system's trust store.
  
  
  Proxy Settings: If a proxy is required, ensure that the proxy settings in the SAP system are correctly configured. This can usually be done in transaction SMICM (ICM Monitor).
  
  
  Increase Timeout Settings: If the request is timing out, consider increasing the timeout settings in the HTTP client configuration.
  
  
  Check SAP Notes: Look for any relevant SAP Notes that may address known issues or provide patches related to HTTP communication failures.
  
  
  Related Information
  
  Transaction Codes: You can use transaction codes like SMICM to monitor and manage HTTP connections, and SICF to manage HTTP services in SAP.
  Logs and Traces: Check the application logs (transaction SLG1) and HTTP traces (transaction SMICM -> Go to Trace) for more detailed error messages that can help diagnose the issue.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your network or system administrators for further investigation.