How To Fix SHTTP044 - No protocol data exists

SAP Error Message - Details

• Message type: E = Error

• Message class: SHTTP - Messages for Development Class SHTTP

• Message number: 044

• Message text: No protocol data exists

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SHTTP044 - No protocol data exists ?

  The SAP error message SHTTP044: No protocol data exists typically occurs in the context of SAP Web Application Server (WAS) or when dealing with HTTP communication in SAP systems. This error indicates that the system is unable to find the necessary protocol data to process a request, which can be due to various reasons.
  Causes:
  
  Missing or Incorrect Configuration: The HTTP service may not be properly configured, leading to a lack of necessary protocol data.
  Network Issues: Problems with network connectivity or firewall settings can prevent the proper transmission of data.
  Session Timeout: If a session has timed out, the system may not have the required data to process the request.
  Incorrect URL or Request: The request being made may not be correctly formatted or may be pointing to an invalid endpoint.
  Web Dispatcher Issues: If you are using a Web Dispatcher, it may not be forwarding requests correctly to the application server.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the HTTP service in the SAP system. Ensure that all necessary parameters are set correctly.
  Network Troubleshooting: Verify network connectivity between the client and the SAP server. Check for any firewall rules that might be blocking traffic.
  Session Management: Ensure that sessions are being managed correctly and that they are not timing out prematurely. You may need to adjust session timeout settings.
  Validate Requests: Check the URL and parameters being used in the request. Make sure they are correct and that the endpoint exists.
  Web Dispatcher Configuration: If applicable, check the configuration of the Web Dispatcher to ensure it is set up to forward requests correctly to the application server.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches or updates.
  
  Related Information:
  
  SAP Basis Documentation: Review the SAP Basis documentation for more details on HTTP services and configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Use transaction codes like SICF (HTTP Service Hierarchy Maintenance) to check the status of HTTP services and SMICM (ICM Monitor) to monitor the Internet Communication Manager.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.