How To Fix /IWFND/CM_740_EXTNS001 - WebSocket End-point fetch started

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_740_EXTNS -

• Message number: 001

• Message text: WebSocket End-point fetch started

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_740_EXTNS001 - WebSocket End-point fetch started ?

  The SAP error message /IWFND/CM_740_EXTNS001 WebSocket End-point fetch started typically relates to issues with the WebSocket connection in the context of SAP Gateway and OData services. This message indicates that the system is attempting to fetch a WebSocket endpoint, which is often used for real-time communication in applications.
  Causes:
  
  Configuration Issues: The WebSocket endpoint may not be properly configured in the SAP system.
  Network Issues: There could be network connectivity problems preventing the WebSocket connection from being established.
  Service Activation: The required OData service or the WebSocket service may not be activated in the SAP Gateway.
  Browser Compatibility: The browser being used may not support WebSockets or may have settings that block them.
  Firewall/Proxy Settings: Firewalls or proxy settings may be blocking WebSocket connections.
  
  Solutions:
  
  
  Check Service Activation:
  
  Ensure that the relevant OData service is activated in the SAP Gateway. You can do this using transaction code /IWFND/MAINT_SERVICE.
  Verify that the WebSocket service is also activated.
  
  
  
  Review Configuration:
  
  Check the configuration settings for WebSocket in the SAP system. This may involve looking at the settings in transaction SPRO or other relevant configuration transactions.
  
  
  
  Network Troubleshooting:
  
  Test the network connection to ensure that there are no issues. You can use tools like ping or traceroute to diagnose connectivity problems.
  Check if there are any network policies that might be blocking WebSocket traffic.
  
  
  
  Browser Settings:
  
  Ensure that you are using a modern browser that supports WebSockets (e.g., Chrome, Firefox, Edge).
  Check the browser's developer console for any errors related to WebSocket connections.
  
  
  
  Firewall/Proxy Configuration:
  
  If you are behind a corporate firewall or using a proxy, ensure that WebSocket traffic is allowed. You may need to consult with your network administrator to adjust the settings.
  
  
  
  Check Logs:
  
  Review the SAP application logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to WebSocket functionality.
  Documentation: Refer to the official SAP documentation for WebSocket and OData services for detailed configuration and troubleshooting steps.
  Community Forums: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.