How To Fix SAI_MAPPING235 - Constructor of class &1 raised an exception; &2&3&4

SAP Error Message - Details

• Message type: E = Error

• Message class: SAI_MAPPING - Mapping

• Message number: 235

• Message text: Constructor of class &1 raised an exception; &2&3&4

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 SAI_MAPPING235 - Constructor of class &1 raised an exception; &2&3&4 ?

  The SAP error message SAI_MAPPING235 indicates that there was an exception raised in the constructor of a class during the execution of a mapping operation in SAP PI/PO (Process Integration/Process Orchestration). This error typically occurs in scenarios involving message mappings, where the system is trying to instantiate a class that is responsible for processing the data transformation.
  Cause:
  
  
  Coding Issues: The most common cause is a bug or an unhandled exception in the constructor of the specified class. This could be due to:
  
  Incorrect initialization of variables.
  Missing or incorrect configuration settings.
  Dependencies that are not met (e.g., missing libraries or resources).
  
  
  
  Data Issues: The input data being processed might not meet the expected format or constraints, leading to exceptions during object creation.
  
  
  Configuration Issues: The mapping configuration might be incorrect, leading to the instantiation of a class that is not properly set up.
  
  
  Version Mismatch: If there are multiple versions of the same class or library, it could lead to conflicts.
  
  
  Solution:
  
  
  Check the Class Code: Review the constructor of the class mentioned in the error message. Look for any potential issues such as uninitialized variables, incorrect logic, or unhandled exceptions.
  
  
  Debugging: Use debugging tools to step through the code and identify the exact point of failure. This can help in understanding what input or condition is causing the exception.
  
  
  Review Input Data: Ensure that the data being passed to the mapping is valid and conforms to the expected structure. Validate the data before it reaches the mapping.
  
  
  Configuration Review: Check the mapping configuration in the Integration Directory. Ensure that all necessary parameters and settings are correctly defined.
  
  
  Check Dependencies: Ensure that all required libraries and dependencies are available and correctly configured in the system.
  
  
  Error Logs: Review the application logs (transaction SLG1) for more detailed error messages that can provide additional context about the exception.
  
  
  Consult Documentation: If the class is part of a standard SAP package, refer to the SAP documentation or notes for any known issues or updates related to that class.
  
  
  SAP Support: If the issue persists and cannot be resolved, consider reaching out to SAP support for assistance, providing them with the error details and any relevant logs.
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SXMB_MONI for monitoring messages and SLG1 for checking application logs.
  SAP Notes: Search for relevant SAP Notes that might address known issues related to the specific class or error message.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the SAI_MAPPING235 error.