How To Fix SWF_HTTP318 - Port '&1' does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_HTTP - Web Services in the Workflow: Server Functions

• Message number: 318

• Message text: Port '&1' does not exist

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 SWF_HTTP318 - Port '&1' does not exist ?

  The SAP error message SWF_HTTP318 indicates that there is an issue with the HTTP port configuration in the SAP system. Specifically, it means that the specified port (denoted by '&1') does not exist or is not configured correctly.
  Cause:
  
  Incorrect Port Configuration: The specified port may not be defined in the system's configuration.
  Service Not Running: The service associated with the specified port may not be running.
  Network Issues: There could be network-related issues preventing access to the specified port.
  Firewall Restrictions: A firewall may be blocking access to the port.
  Typographical Error: There may be a typo in the port number specified in the configuration.
  
  Solution:
  
  
  Check Port Configuration:
  
  Go to transaction SMICM (ICM Monitor) in the SAP GUI.
  Check the configuration of the HTTP ports under the "Services" tab.
  Ensure that the port specified in the error message is listed and correctly configured.
  
  
  
  Verify Service Status:
  
  Ensure that the HTTP service is running. You can check this in the ICM monitor or by using transaction SMICM.
  If the service is not running, start it.
  
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to check if the port is accessible from the client machine.
  Ensure that there are no network issues preventing access to the port.
  
  
  
  Firewall Configuration:
  
  Check the firewall settings on both the server and client sides to ensure that the specified port is open and not blocked.
  
  
  
  Review Configuration Files:
  
  If you are using a web dispatcher or any other proxy, ensure that the configuration files are correctly set up to forward requests to the correct port.
  
  
  
  Correct Typographical Errors:
  
  Double-check the configuration for any typos in the port number.
  
  
  
  Related Information:
  
  ICM (Internet Communication Manager): This is the component responsible for handling HTTP(S) requests in SAP systems. Understanding its configuration can help troubleshoot related issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to the SWF_HTTP318 error.
  Logs: Review the ICM logs for any additional error messages that may provide more context about the issue.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.