How To Fix SWFHTTP027 - Error when starting service in the launch handler

SAP Error Message - Details

• Message type: E = Error

• Message class: SWFHTTP - Messages for Handlers

• Message number: 027

• Message text: Error when starting service in the launch handler

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWFHTTP027 - Error when starting service in the launch handler ?

  The SAP error message SWFHTTP027 typically indicates an issue with starting a service in the launch handler, often related to the workflow or service configuration in SAP systems. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Service Configuration Issues: The service may not be properly configured in the SAP system, leading to failure when attempting to start it.
  Authorization Problems: The user or service account may lack the necessary authorizations to execute the service.
  Network Issues: There could be network connectivity problems preventing the service from being accessed.
  System Errors: There may be underlying system errors or inconsistencies in the SAP environment that are causing the service to fail.
  Incorrect URL or Endpoint: The URL or endpoint configured for the service might be incorrect or unreachable.
  
  Solutions:
  
  
  Check Service Configuration:
  
  Verify that the service is correctly configured in the SAP system. Check the settings in transaction SWFVISU or SWF_WORKFLOW.
  Ensure that all required parameters are set correctly.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account has the necessary authorizations to execute the service. You can check this in transaction SU53 after the error occurs to see if there are any authorization issues.
  
  
  
  Test Network Connectivity:
  
  Check the network connectivity to the service endpoint. You can use tools like ping or telnet to verify that the service is reachable.
  
  
  
  Check System Logs:
  
  Review the system logs for any additional error messages or warnings that might provide more context about the failure. Use transaction SM21 to view the system log.
  
  
  
  Validate URL/Endpoint:
  
  Ensure that the URL or endpoint configured for the service is correct. You can test the URL in a web browser or use tools like Postman to see if it responds correctly.
  
  
  
  Restart Services:
  
  Sometimes, simply restarting the relevant services or the SAP system can resolve transient issues.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SWFVISU (Workflow Visualization), SWF_WORKFLOW (Workflow Administration), and SM21 (System Log).
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Documentation: Review SAP documentation related to workflow and service management for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.