How To Fix 1S435 - Error when closing the HTTP connection

SAP Error Message - Details

• Message type: E = Error

• Message class: 1S - Messages for SSF ("Secure Store & Forward")

• Message number: 435

• Message text: Error when closing the HTTP connection

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 1S435 - Error when closing the HTTP connection ?

  The SAP error message 1S435 indicates an issue with closing an HTTP connection. This error can occur in various scenarios, often related to communication between SAP systems and external services or applications. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: Problems with the network connection can lead to difficulties in closing HTTP connections properly.
  Timeouts: If the HTTP request takes too long to process, it may lead to timeouts that prevent the connection from closing correctly.
  Server Configuration: Misconfigurations in the server settings, such as incorrect HTTP settings or firewall rules, can cause issues.
  Resource Limitations: If the server is under heavy load or has resource limitations (like memory or CPU), it may struggle to manage connections effectively.
  Application Bugs: There may be bugs in the application code that handles HTTP requests and responses.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the SAP system and the external service. Use tools like ping or traceroute to diagnose connectivity problems.
  Review Timeout Settings: Check the timeout settings in both the SAP system and the external service. Adjust them if necessary to allow for longer processing times.
  Server Configuration Review: Verify the configuration of the SAP system and any involved web servers. Ensure that HTTP settings are correctly configured and that firewalls are not blocking connections.
  Monitor System Resources: Use monitoring tools to check the resource usage of the SAP system. If the system is under heavy load, consider scaling resources or optimizing the application.
  Update Software: Ensure that both the SAP system and any external services are running the latest versions. Apply any relevant patches that may address known issues.
  Debugging: If the issue persists, enable debugging for the HTTP connection handling in the SAP system to gather more detailed logs. This can help identify the root cause of the problem.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation related to HTTP connections and web services for best practices and configuration guidelines.
  
  If the problem continues after trying these solutions, it may be beneficial to contact SAP support for further assistance.