paimon_python_java/util/exceptions.py

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import py4j


def install_py4j_hooks():
    """
    Hook the classes such as JavaPackage, etc of Py4j to improve the exception message.
    """
    def wrapped_call(self, *args, **kwargs):
        raise TypeError(
            "Could not found the Java class '%s'. The Java dependencies could be specified via "
            "command line argument '--jarfile' or the config option 'pipeline.jars'" % self._fqn)

    setattr(py4j.java_gateway.JavaPackage, '__call__', wrapped_call)