How To Fix SDS_COMMON029 - HTTP client: close method failed with return code SY_SUBRC &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SDS_COMMON -

• Message number: 029

• Message text: HTTP client: close method failed with return code SY_SUBRC &1

What causes this issue?

While the HTTP connection was closed, an error occurred.

System Response

The connection was closed, the processing was cancelled.

How to fix this error?

Check the documentation for information about errors during HTTP
communication.

Procedure for System Administrators

Method IF_HTTP_CLIENT~RECEIVE of class CL_HTTP_CLIENT returned the error
code &V1&
The error codes can be mapped to the following exceptions of the
method::
1 = HTTP_INVALID_STATE

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDS_COMMON029 - HTTP client: close method failed with return code SY_SUBRC &1 ?

  The SAP error message SDS_COMMON029 with the description "HTTP client: close method failed with return code SY_SUBRC &1" typically indicates an issue with the HTTP client connection in an SAP system. This error can occur in various scenarios, such as when trying to close an HTTP connection after a request has been made.
  Causes:
  
  Network Issues: There may be network connectivity problems that prevent the HTTP client from properly closing the connection.
  Timeouts: The connection may have timed out, leading to an inability to close it gracefully.
  Resource Limitations: The system may be running low on resources (e.g., memory, file descriptors), which can affect the ability to manage HTTP connections.
  Configuration Issues: Incorrect configuration settings in the HTTP client or the underlying network settings can lead to this error.
  Server Response Issues: If the server does not respond as expected, it may lead to problems when trying to close the connection.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the SAP system and the target server. You can use tools like ping or traceroute to diagnose connectivity.
  Review Timeout Settings: Check the timeout settings for the HTTP client in your SAP system. Adjust them if necessary to allow for longer processing times.
  Monitor System Resources: Use transaction codes like SM50 or SM66 to monitor system resources. If the system is low on resources, consider optimizing or increasing the resources available.
  Check Configuration: Review the configuration settings for the HTTP client in the SAP system. Ensure that they are set correctly according to the requirements of the target server.
  Update SAP Notes: Check for any relevant SAP Notes that may address this specific error. Sometimes, SAP releases patches or updates that resolve known issues.
  Debugging: If you have access to the development environment, you can debug the HTTP client code to identify the exact point of failure and gather more information about the return code.
  
  Related Information:
  
  SY_SUBRC: This is a system variable in SAP that holds the return code of the last operation. The specific value of &1 in the error message will provide more context about the nature of the failure. You can look up the specific return code in the SAP documentation or help files to understand its meaning.
  SAP Community and Forums: Engaging with the SAP community through forums or support channels can provide additional insights and solutions from other users who may have encountered similar issues.
  SAP Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance. They can provide more detailed troubleshooting steps based on your specific system configuration and environment.
  
  By following these steps, you should be able to diagnose and resolve the SDS_COMMON029 error in your SAP system.