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How To Fix WEBDYNPRO_TEST002 - Class & is not an exception class


SAP Error Message - Details

  • Message type: E = Error

  • Message class: WEBDYNPRO_TEST - Messages for SWDP_TEST

  • Message number: 002

  • Message text: Class & is not an exception class

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  • Self-Explanatory Message

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Smart SAP Assistant

  • What is the cause and solution for SAP error message WEBDYNPRO_TEST002 - Class & is not an exception class ?

    The SAP error message:

    WEBDYNPRO_TEST002: Class & is not an exception class


    Cause:

    This error occurs when a class that is not defined as an exception class is used in a context where an exception class is expected. In ABAP, exception classes must inherit from the predefined superclass CX_ROOT (or one of its subclasses). If a class that does not inherit from CX_ROOT is used as an exception class (for example, in a TRY...CATCH block or in Web Dynpro exception handling), the system raises this error.

    In the context of Web Dynpro, this often happens when you specify an exception class in the component or application configuration, or in the code, but the class does not meet the criteria of an exception class.


    Solution:

    1. Check the class definition:

      • Go to transaction SE24 (Class Builder).
      • Enter the class name mentioned in the error message.
      • Verify if the class inherits from CX_ROOT or any of its subclasses.
    2. If the class is not an exception class:

      • Change the class to inherit from CX_ROOT if it is intended to be used as an exception class.
      • Alternatively, use a proper exception class that already inherits from CX_ROOT.
    3. Adjust the code or configuration:

      • If the class is incorrectly used as an exception class, replace it with a valid exception class.
      • In Web Dynpro, check the exception handling settings in the component or application and correct the class name.
    4. Re-activate and test:

      • After making the changes, activate the class and test the Web Dynpro application or the relevant ABAP program again.

    Related Information:

    • Exception classes in ABAP must inherit from CX_ROOT or its subclasses.
    • You can create your own exception classes by inheriting from CX_STATIC_CHECK, CX_DYNAMIC_CHECK, or CX_NO_CHECK depending on the type of exception.
    • Web Dynpro uses exception classes to handle errors gracefully; incorrect exception class usage leads to runtime errors.
    • For more details, see SAP documentation on ABAP Exception Classes.

    Summary:

    Aspect Details
    Error WEBDYNPRO_TEST002: Class & is not an exception class
    Cause The class used is not inheriting from CX_ROOT and thus is not a valid exception class.
    Solution Ensure the class inherits from CX_ROOT or replace it with a valid exception class.
    Check Class definition in SE24, Web Dynpro exception configuration, ABAP code TRY...CATCH.

    If you provide the exact class name or context where this error occurs, I can help you with more specific instructions.

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