How To Fix S_UNIFIED_CON_API005 - Header data of HTTP Service could not be read.

SAP Error Message - Details

• Message type: E = Error

• Message class: S_UNIFIED_CON_API - Messages for API for Unified Connectivity

• Message number: 005

• Message text: Header data of HTTP Service could not be read.

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 S_UNIFIED_CON_API005 - Header data of HTTP Service could not be read. ?

  The SAP error message S_UNIFIED_CON_API005 indicates that the header data of an HTTP service could not be read. This error typically occurs in the context of SAP Gateway or when working with OData services. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Incorrect Service Configuration: The HTTP service may not be properly configured in the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to access the service.
  Network Issues: There may be network connectivity problems that prevent the service from being accessed.
  Service Not Active: The OData service might not be activated in the SAP Gateway.
  Malformed Request: The request sent to the service may be malformed or missing required headers.
  Backend Issues: There could be issues with the backend system that the service is trying to connect to.
  
  Solutions:
  
  
  Check Service Configuration:
  
  Ensure that the HTTP service is correctly configured in the SAP system.
  Use transaction code /IWFND/MAINT_SERVICE to check if the OData service is active.
  
  
  
  Verify Authorizations:
  
  Check if the user has the necessary authorizations to access the service.
  Use transaction code SU53 to analyze authorization issues after the error occurs.
  
  
  
  Test Network Connectivity:
  
  Ensure that there are no network issues preventing access to the service.
  Use tools like ping or telnet to check connectivity to the service endpoint.
  
  
  
  Activate the Service:
  
  If the service is not active, activate it using the transaction code mentioned above.
  
  
  
  Review Request Format:
  
  Check the format of the HTTP request being sent to the service.
  Ensure that all required headers are included and correctly formatted.
  
  
  
  Check Backend System:
  
  Investigate if there are any issues with the backend system that the service is trying to access.
  Check for any relevant error messages in the backend system logs.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error.
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: To manage OData services.
  SLG1: To check application logs for any related error messages.
  
  
  Debugging: If you have access, you can debug the service to see where the error occurs in the code.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis or development team for further assistance, as they may have more insights into the specific configuration and setup of your SAP environment.