How To Fix /FLDQ/AD_TECH_ERRORS321 - Unable to access JCO function table for RESTART_GENERIC_MATCH

SAP Error Message - Details

• Message type: E = Error

• Message class: /FLDQ/AD_TECH_ERRORS -

• Message number: 321

• Message text: Unable to access JCO function table for RESTART_GENERIC_MATCH

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 /FLDQ/AD_TECH_ERRORS321 - Unable to access JCO function table for RESTART_GENERIC_MATCH ?

  The SAP error message /FLDQ/AD_TECH_ERRORS321 Unable to access JCO function table for RESTART_GENERIC_MATCH typically indicates an issue related to the Java Connector (JCo) in the SAP system. This error can occur due to various reasons, including configuration issues, connectivity problems, or missing function modules.
  Possible Causes:
  
  JCo Configuration Issues: The Java Connector may not be properly configured, leading to an inability to access the required function modules.
  Missing Function Module: The function module RESTART_GENERIC_MATCH may not exist in the system or may not be properly activated.
  Authorization Issues: The user executing the function may not have the necessary authorizations to access the JCo function table.
  Network Issues: There may be network connectivity problems between the Java application and the SAP backend.
  SAP System Issues: The SAP system itself may be experiencing issues, such as being down or having performance problems.
  
  Solutions:
  
  
  Check JCo Configuration:
  
  Verify that the JCo configuration is correct. Ensure that the connection parameters (such as SAP system, client, user, password, etc.) are properly set up.
  Check the JCo version compatibility with your SAP system.
  
  
  
  Verify Function Module:
  
  Use transaction SE37 or SE80 in the SAP GUI to check if the function module RESTART_GENERIC_MATCH exists and is active.
  If it does not exist, you may need to create it or restore it from a transport request.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 after the error occurs.
  
  
  
  Test Connectivity:
  
  Use tools like SAP GUI or other connectivity tests to ensure that the Java application can connect to the SAP system without issues.
  Check for any firewall or network settings that might be blocking the connection.
  
  
  
  Review SAP System Logs:
  
  Check the SAP system logs (transaction SM21) for any related errors or warnings that might provide more context about the issue.
  
  
  
  Restart Services:
  
  If the issue persists, consider restarting the JCo service or the SAP system to clear any temporary issues.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to JCo and the specific function module.
  Documentation: Review the official SAP documentation for JCo to ensure that all configurations are correctly set up.
  Support: If the issue cannot be resolved, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the error related to the JCo function table access issue.