How To Fix SECATT_HTTP_STATUS411 - The server refuses to accept the request without a defined Content-Length

SAP Error Message - Details

• Message type: E = Error

• Message class: SECATT_HTTP_STATUS - eCATT HTTP Status Messages

• Message number: 411

• Message text: The server refuses to accept the request without a defined Content-Length

What causes this issue?

The server refuses to accept the request without a defined Content-
Length. The client MAY repeat the request if it adds a valid
Content-Length header field containing the length of the message-body in
the request message.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SECATT_HTTP_STATUS411 - The server refuses to accept the request without a defined Content-Length ?

  The SAP error message SECATT_HTTP_STATUS411 indicates that the server is refusing to accept the HTTP request because it does not have a defined Content-Length header. This typically occurs when a client (in this case, an SAP system) sends a request to a server without specifying the size of the body content, which is required for certain types of requests.
  Cause:
  
  Missing Content-Length Header: The HTTP request being sent does not include the Content-Length header, which tells the server how much data is being sent in the body of the request.
  Incorrect HTTP Method: The request method (e.g., POST, PUT) may require a body, but the body is either empty or not properly defined.
  Configuration Issues: There may be configuration issues in the SAP system or the server that prevent the proper setting of the Content-Length header.
  
  Solution:
  
  Check Request Body: Ensure that the request being sent has a body and that it is not empty. If the request method requires a body, make sure to include the necessary data.
  Set Content-Length Header: If you are manually constructing the HTTP request, ensure that you are setting the Content-Length header correctly. This should be the size of the body content in bytes.
  Review HTTP Method: Verify that you are using the correct HTTP method for your request. If you are using a method that requires a body, ensure that you are providing one.
  SAP Configuration: Check the configuration settings in your SAP system related to HTTP requests. Ensure that any relevant settings for HTTP communication are correctly configured.
  Update SAP Notes: Check for any relevant SAP Notes or patches that may address this issue. Sometimes, specific versions of SAP may have known issues that are resolved in later updates.
  
  Related Information:
  
  HTTP Protocol: Understanding the HTTP protocol and how headers work can help in diagnosing issues related to HTTP requests.
  SAP Transaction Codes: Familiarize yourself with transaction codes related to HTTP communication in SAP, such as SICF (Internet Communication Framework) and SOAMANAGER (Service-Oriented Architecture Manager).
  Logs and Traces: Check the application logs and traces in SAP for more detailed error messages that may provide additional context for the issue.
  Network Configuration: Ensure that there are no network issues or firewalls that might be interfering with the HTTP requests being sent from the SAP system to the server.
  
  By following these steps, you should be able to diagnose and resolve the SECATT_HTTP_STATUS411 error in your SAP environment.