How To Fix OA229 - Error in HTTP protocol: &

OA229 - Overview

• Message type: E = Error

• Message class: OA - SAP ArchiveLink: Messages for SAP ArchiveLink

• Message number: 229

• Message text: Error in HTTP protocol: &

What causes this issue?

An error occurred during communication using the HTTP protocol.

System Response

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How to fix this error?

Inform your system administrator.

Procedure for System Administrators

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 OA229 - Error in HTTP protocol: & ?

  The SAP error message OA229, which indicates "Error in HTTP protocol," typically arises when there is an issue with the HTTP communication between the SAP system and an external service or application. This error can occur in various scenarios, such as when using SAP Gateway, OData services, or when making HTTP calls from ABAP programs.
  Causes of OA229 Error
  
  
  Network Issues: Problems with the network connection, such as timeouts, DNS resolution failures, or firewall restrictions, can lead to this error.
  
  
  Incorrect URL: The URL being accessed may be incorrect or malformed, leading to an inability to establish a proper HTTP connection.
  
  
  Authentication Issues: If the external service requires authentication (e.g., Basic Auth, OAuth) and the credentials are missing or incorrect, the request may fail.
  
  
  Service Unavailability: The external service may be down or not reachable, resulting in an HTTP error.
  
  
  Proxy Configuration: If a proxy server is required for HTTP communication and is not configured correctly