在JSON将java.lang.Class反序列化为类时，找不到类型[简单类型，类JSON]的(映射)键反序列化器

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;

public class JsonDeserializerExample {
    public static void main(String[] args) {
        ObjectMapper objectMapper = new ObjectMapper();
        SimpleModule module = new SimpleModule();
        module.addDeserializer(Class.class, new ClassDeserializer());
        objectMapper.registerModule(module);

        String json = "{\"class\":\"java.lang.String\"}";
        try {
            MyClass myClass = objectMapper.readValue(json, MyClass.class);
            System.out.println(myClass.getClassName());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

class MyClass {
    private Class<?> clazz;

    public Class<?> getClazz() {
        return clazz;
    }

    public void setClazz(Class<?> clazz) {
        this.clazz = clazz;
    }

    public String getClassName() {
        return clazz.getName();
    }
}

class ClassDeserializer extends JsonDeserializer<Class<?>> {
    @Override
    public Class<?> deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
        String className = jsonParser.getValueAsString();
        try {
            return Class.forName(className);
        } catch (ClassNotFoundException e) {
            throw new RuntimeException("Failed to deserialize class: " + className, e);
        }
    }
}