How To Fix SWK056 - Invalid format for port number in launch handler (category &)

SAP Error Message - Details

• Message type: E = Error

• Message class: SWK - Messages for Workflow - Workplace Plug-In 4.0B

• Message number: 056

• Message text: Invalid format for port number in launch handler (category &)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWK056 - Invalid format for port number in launch handler (category &) ?

  The SAP error message SWK056, which indicates "Invalid format for port number in launch handler (category &)," typically arises when there is an issue with the configuration of the port number in the SAP system. This error is often encountered in the context of the SAP Web Application Server or when dealing with the SAP Gateway.
  Cause:
  
  Incorrect Port Number Format: The port number specified in the configuration is not in the correct format. Port numbers should be numeric and fall within the valid range (0-65535).
  Configuration Errors: There may be a misconfiguration in the launch handler settings or in the related service configuration.
  Missing or Incorrect Parameters: Required parameters for the launch handler may be missing or incorrectly specified.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the relevant configuration settings in the SAP system where the port number is defined (e.g., transaction codes like SICF for HTTP services or SMICM for ICM settings).
  Ensure that the port number is correctly specified and is a valid numeric value.
  
  
  
  Validate Port Number:
  
  Ensure that the port number is within the valid range (0-65535).
  Check for any leading zeros or non-numeric characters that may have been inadvertently included.
  
  
  
  Review Launch Handler Settings:
  
  If you are using a specific launch handler, review its configuration to ensure that all parameters, including the port number, are correctly set.
  
  
  
  Restart Services:
  
  After making changes to the configuration, restart the relevant services or the entire SAP system to ensure that the changes take effect.
  
  
  
  Check for Conflicts:
  
  Ensure that the port number is not being used by another service or application on the server, which could lead to conflicts.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any patches or updates that may address the issue.
  Documentation: Refer to the official SAP documentation for guidance on configuring launch handlers and service parameters.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered the same issue.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.