How To Fix ESH_SEARCH136 - Sending to HTTP client: HTTP processing unsuccessful

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_SEARCH - ESH Search

• Message number: 136

• Message text: Sending to HTTP client: HTTP processing unsuccessful

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 ESH_SEARCH136 - Sending to HTTP client: HTTP processing unsuccessful ?

  The SAP error message ESH_SEARCH136 indicates that there was an issue with sending data to an HTTP client during a search operation in the SAP Enterprise Search (ESH) framework. This error can occur due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the HTTP client.
  HTTP Client Configuration: The HTTP client may not be configured correctly, or it may not be able to handle the request properly.
  Timeouts: The request may be timing out due to long processing times or slow network responses.
  Data Format Issues: The data being sent may not be in the expected format, leading to processing failures.
  Authorization Issues: The user or service account making the request may not have the necessary permissions to access the resources.
  Service Unavailability: The HTTP service or endpoint being called may be down or unavailable.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the SAP system and the HTTP client. You can use tools like ping or traceroute to diagnose connectivity problems.
  Review HTTP Client Configuration: Verify that the HTTP client is configured correctly, including the endpoint URL, authentication methods, and any required headers.
  Increase Timeout Settings: If timeouts are suspected, consider increasing the timeout settings in both the SAP system and the HTTP client.
  Validate Data Format: Ensure that the data being sent is in the correct format (e.g., JSON, XML) and adheres to the expected schema.
  Check Authorizations: Review the authorization settings for the user or service account making the request to ensure it has the necessary permissions.
  Monitor Service Availability: Check the status of the HTTP service or endpoint to ensure it is up and running. You can use tools like curl or Postman to test the endpoint directly.
  Review Logs: Check the SAP application logs (transaction SLG1) and the HTTP client logs for any additional error messages or details that can provide more context about the failure.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to ESH or HTTP processing errors.
  Documentation: Review the SAP documentation for Enterprise Search and HTTP services to understand the expected configurations and best practices.
  Community Forums: Engage with the SAP Community or other forums where similar issues may have been discussed, as other users may have encountered and resolved the same error.
  
  By systematically checking these areas, you should be able to identify the root cause of the ESH_SEARCH136 error and implement an appropriate solution.