How To Fix SAI_MAPPING103 - All JCo return parameters are initial

SAP Error Message - Details

• Message type: E = Error

• Message class: SAI_MAPPING - Mapping

• Message number: 103

• Message text: All JCo return parameters are initial

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Check whether the application 'Integration Services' is deployed and
started on the SAP J2EE server.
Call transaction SM59 and check the TCP/IP connection
'AI_RUNTIME_JCOSERVER'. Does the connection test work?
Also check the relevant program ID in the RFC engine of the SAP J2EE
Engine administrator tools.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SAI_MAPPING103 - All JCo return parameters are initial ?

  The SAP error message SAI_MAPPING103: All JCo return parameters are initial typically indicates that a Java Connector (JCo) function call did not return any data. This can happen for several reasons, and understanding the cause is essential for troubleshooting the issue effectively.
  Possible Causes
  
  
  Incorrect Function Module: The function module being called may not be returning any data due to incorrect parameters or logic within the function itself.
  
  
  Input Parameters: The input parameters provided to the function module might be incorrect or not matching the expected format, leading to no data being processed.
  
  
  Authorization Issues: The user executing the JCo call may not have the necessary authorizations to access the data or execute the function module.
  
  
  Data Availability: The data that the function module is supposed to return may not exist in the system, leading to an empty response.
  
  
  Error in Function Logic: There may be an error in the logic of the function module that prevents it from returning the expected results.
  
  
  Connection Issues: There could be issues with the connection between the Java application and the SAP system, leading to incomplete or no data being returned.
  
  
  Solutions
  
  
  Check Function Module: Verify that the correct function module is being called and that it is designed to return data. You can test the function module directly in SAP to see if it returns the expected results.
  
  
  Validate Input Parameters: Ensure that all input parameters are correctly set and match the expected types and formats. You can use transaction SE37 to test the function module with the same parameters.
  
  
  Review Authorizations: Check the authorizations of the user executing the JCo call. Ensure that the user has the necessary permissions to execute the function module and access the data.
  
  
  Data Verification: Confirm that the data the function module is supposed to return actually exists in the system. You can run queries or reports in SAP to check for the presence of the data.
  
  
  Debugging: If you have access, debug the function module to identify any logical errors or issues that may be causing it to return no data.
  
  
  Connection Check: Ensure that the connection between the Java application and the SAP system is stable and correctly configured. Check for any network issues or configuration errors.
  
  
  Related Information
  
  
  SAP Notes: Check SAP Notes for any known issues related to the specific function module or JCo version you are using. SAP frequently updates its documentation and provides fixes for known issues.
  
  
  JCo Documentation: Review the Java Connector documentation for best practices and troubleshooting tips related to JCo calls.
  
  
  Logs and Traces: Enable logging or tracing in your Java application to capture detailed information about the JCo call, which can help in diagnosing the issue.
  
  
  By systematically checking these areas, you should be able to identify the cause of the SAI_MAPPING103 error and implement an appropriate solution.