How To Fix SWR118 - An error occurred triggering the HTTP method POST

SAP Error Message - Details

• Message type: E = Error

• Message class: SWR - Business Workflow: WAPI Interfaces

• Message number: 118

• Message text: An error occurred triggering the HTTP method POST

What causes this issue?

The HTTP method <AB>POST</> could not be successfully executed. Status
code &v2& with the following status text resulted:
&v3&

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?

Check whether a response received from the HTTP method <AB>POST</> was
saved. In it you usually find an explanatory text in addition to the
number of the exception. You can view the response with the transaction
<DS:TRAN.SWXML>Selection Report for XML Documents</>.

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 SWR118 - An error occurred triggering the HTTP method POST ?

  The SAP error message SWR118, which states "An error occurred triggering the HTTP method POST," typically occurs in the context of SAP's integration with web services or when using the SAP Gateway for OData services. This error can arise due to various reasons, including configuration issues, network problems, or issues with the service being called.
  Causes:
  
  Service Configuration Issues: The OData service or web service may not be properly configured in the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to execute the HTTP POST request.
  Network Issues: There may be network connectivity problems between the SAP system and the target service.
  Incorrect URL: The URL being called may be incorrect or the endpoint may not be reachable.
  Payload Issues: The data being sent in the POST request may not conform to the expected format or may be missing required fields.
  Service Availability: The target service may be down or experiencing issues.
  
  Solutions:
  
  
  Check Service Configuration:
  
  Ensure that the OData service is correctly registered and activated in the SAP Gateway.
  Use transaction code /IWFND/MAINT_SERVICE to check the status of the service.
  
  
  
  Verify Authorizations:
  
  Check if the user executing the request has the necessary authorizations to access the service.
  Use transaction code SU53 to analyze authorization failures.
  
  
  
  Test Network Connectivity:
  
  Use tools like ping or telnet to check if the target service is reachable from the SAP system.
  Check firewall settings that may be blocking the connection.
  
  
  
  Validate the URL:
  
  Ensure that the URL used in the HTTP POST request is correct and points to the right endpoint.
  Test the URL in a browser or a tool like Postman to see if it responds correctly.
  
  
  
  Check the Payload:
  
  Review the data being sent in the POST request to ensure it meets the service's requirements.
  Use tools like Postman to simulate the request and check for errors in the payload.
  
  
  
  Monitor Service Availability:
  
  Check the status of the target service to ensure it is up and running.
  If the service is external, contact the service provider for support.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: Manage OData services.
  SU53: Analyze authorization issues.
  SICF: Check the configuration of HTTP services.
  
  
  
  Logs and Traces:
  
  Check the application logs (transaction SLG1) for more detailed error messages.
  Use transaction ST22 to check for dumps that may provide additional context.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to SWR118.
  
  
  By following these steps, you should be able to diagnose and resolve the SWR118 error in your SAP environment. If the issue persists, consider reaching out to SAP support for further assistance.