How To Fix SWFHTTP035 - Service port not available

SAP Error Message - Details

• Message type: E = Error

• Message class: SWFHTTP - Messages for Handlers

• Message number: 035

• Message text: Service port not available

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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 SWFHTTP035 - Service port not available ?

  The SAP error message SWFHTTP035, which states "Service port not available," typically occurs in the context of SAP Workflow or when trying to access a web service. This error indicates that the system is unable to connect to the specified service port, which can be due to various reasons. Below are some common causes, potential solutions, and related information:
  Causes:
  
  Service Not Running: The service that is supposed to listen on the specified port may not be running.
  Network Issues: There may be network connectivity issues preventing access to the service.
  Firewall Restrictions: A firewall may be blocking access to the service port.
  Incorrect Configuration: The service port may be incorrectly configured in the SAP system or in the service provider settings.
  Service Endpoint Changes: The endpoint for the service may have changed, and the SAP system is still trying to connect to the old endpoint.
  Authorization Issues: The user or system may not have the necessary permissions to access the service.
  
  Solutions:
  
  Check Service Status: Ensure that the service you are trying to access is up and running. You can check this in the SAP system or the relevant application server.
  Verify Network Connectivity: Use tools like ping or telnet to check if the service port is reachable from the SAP system.
  Review Firewall Settings: Ensure that the firewall settings allow traffic on the specified port. You may need to work with your network administrator to adjust these settings.
  Check Configuration: Review the configuration settings in the SAP system for the service. Ensure that the service URL and port are correctly specified.
  Update Endpoints: If the service endpoint has changed, update the configuration in the SAP system to point to the new endpoint.
  Check Authorizations: Ensure that the user or system has the necessary authorizations to access the service. This may involve checking roles and permissions in the SAP system.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SWFVISU (Workflow Visualization) or SWI1 (Work Item Selection) to monitor workflows and identify issues.
  SAP Notes: Check SAP Notes related to SWFHTTP035 for any specific patches or updates that may address this issue.
  Logs and Traces: Review system logs (e.g., SM21) and traces (e.g., ST22 for dumps) for additional error messages or context that may help diagnose the issue.
  SAP Community: Consider searching or posting in the SAP Community forums for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the SWFHTTP035 error in your SAP environment.