How To Fix /UI2/INTEROP022 - Failed to send request to HTTP server

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/INTEROP -

• Message number: 022

• Message text: Failed to send request to HTTP server

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 /UI2/INTEROP022 - Failed to send request to HTTP server ?

  The SAP error message /UI2/INTEROP022 Failed to send request to HTTP server typically indicates an issue with the communication between the SAP system and an HTTP server. This error can arise in various contexts, such as when using SAP Fiori applications or when trying to access OData services.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the HTTP server.
  Server Configuration: The HTTP server may not be configured correctly or may be down.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication.
  Incorrect URL: The URL being accessed may be incorrect or malformed.
  Timeouts: The request may be timing out due to slow response times from the server.
  Authentication Issues: There may be issues with authentication or authorization when trying to access the HTTP server.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the HTTP server. You can use tools like ping or telnet to test connectivity.
  Verify Server Status: Check if the HTTP server is up and running. You can do this by accessing the server directly through a web browser or using tools like curl.
  Review Firewall Settings: Ensure that there are no firewall rules blocking the communication between the SAP system and the HTTP server.
  Validate URL: Double-check the URL being used in the request to ensure it is correct and properly formatted.
  Increase Timeout Settings: If the server is slow to respond, consider increasing the timeout settings in the SAP system.
  Check Authentication: Ensure that the credentials used for accessing the HTTP server are correct and that the user has the necessary permissions.
  Review Logs: Check the SAP application logs (transaction SLG1) and the HTTP server logs for any additional error messages that could provide more context.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search the SAP Support Portal for relevant notes.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review the official SAP documentation for the specific components you are working with (e.g., SAP Fiori, OData services) for any configuration guidelines or troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP Basis team or consult with SAP support for further assistance.