How To Fix ESH_ESAAS_MSG028 - Provide a collection Id (service 'metadata', http method POST)

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ESAAS_MSG - Search as a Service (ESaaS)

• Message number: 028

• Message text: Provide a collection Id (service 'metadata', http method POST)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_ESAAS_MSG028 - Provide a collection Id (service 'metadata', http method POST) ?

  The SAP error message ESH_ESAAS_MSG028 typically indicates that a required parameter, specifically a collection ID, is missing in the request to the service. This error is related to the Enterprise Search (ES) functionality in SAP, particularly when interacting with the metadata service.
  Cause:
  The error occurs when a POST request is made to the metadata service without providing a necessary collection ID. The collection ID is essential for the service to identify which collection of data it should operate on. This can happen due to:
  
  Missing Parameter: The request does not include the collectionId parameter.
  Incorrect Request Format: The request may not be formatted correctly, leading to the omission of required parameters.
  Configuration Issues: There may be issues with the configuration of the service or the collections themselves.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Request: Ensure that the POST request to the metadata service includes the collectionId parameter. The request should look something like this:
  {
      "collectionId": "your_collection_id",
      ...
  }
  
  
  Verify Collection ID: Make sure that the collection ID you are using is valid and exists in the system. You can check the available collections in the SAP system to confirm.
  
  
  Review API Documentation: Consult the SAP API documentation for the metadata service to ensure that you are using the correct endpoint and request format.
  
  
  Test with a Tool: Use tools like Postman or curl to manually test the API call with the correct parameters to see if the error persists.
  
  
  Check Configuration: If you are still facing issues, review the configuration of the Enterprise Search and the collections in the SAP system. Ensure that everything is set up correctly.
  
  
  Consult Logs: Check the application logs for any additional error messages or warnings that might provide more context about the issue.
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that might 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.
  Documentation: Review the official SAP documentation for Enterprise Search and the specific services you are working with to ensure compliance with the expected request structure.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.