How To Fix SWF_HTTP042 - Error when receiving the HTTP response

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_HTTP - Web Services in the Workflow: Server Functions

• Message number: 042

• Message text: Error when receiving the HTTP response

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_HTTP042 - Error when receiving the HTTP response ?

  The SAP error message SWF_HTTP042 indicates that there was an issue when receiving an HTTP response. This error typically occurs in the context of SAP Workflow or when using HTTP-based services in SAP systems. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the external service it is trying to communicate with.
  Timeouts: The HTTP request may have timed out due to slow response times from the server.
  Incorrect URL: The URL being called may be incorrect or the endpoint may not be reachable.
  Authentication Issues: If the external service requires authentication, failure to provide valid credentials can lead to this error.
  Service Unavailability: The external service may be down or experiencing issues.
  Firewall or Proxy Issues: Firewalls or proxy settings may be blocking the HTTP request.
  
  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 being used in the HTTP request to ensure it is correct and accessible.
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the HTTP client configuration.
  Check Authentication: Ensure that any required authentication credentials are correctly configured and valid.
  Monitor External Service: Check the status of the external service to ensure it is operational.
  Review Firewall/Proxy Settings: If applicable, review firewall and proxy settings to ensure they are not blocking the HTTP request.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to SWF_HTTP042 for any specific patches or updates that may address this issue.
  Transaction Codes: Use transaction codes like SICF to manage HTTP services and SMICM to monitor the Internet Communication Manager (ICM) for any issues.
  Logs: Review the application logs (transaction SLG1) and HTTP trace logs (transaction SMICM) for more detailed error messages that can provide additional context.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the SWF_HTTP042 error in your SAP system.