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Ребят, не проходит тест из мейника выкидывает Exception in thread "main" com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot construct instance of `Solution$Cat` (no Creators, like default constructor, exist): cannot deserialize from Object value (no delegate- or property-based Creator) at [Source: (FileReader); line: 1, column: 2] at com.fasterxml.jackson.databind.exc.InvalidDefinitionException.from(InvalidDefinitionException.java:67) at com.fasterxml.jackson.databind.DeserializationContext.reportBadDefinition(DeserializationContext.java:1611) at com.fasterxml.jackson.databind.DatabindContext.reportBadDefinition(DatabindContext.java:400) at com.fasterxml.jackson.databind.DeserializationContext.handleMissingInstantiator(DeserializationContext.java:1077) at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializeFromObjectUsingNonDefault(BeanDeserializerBase.java:1320) at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:331) at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:164) at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4482) at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3447) at Solution.convertFromJsonToNormal(Solution.java:27) at Solution.main(Solution.java:36)

public class Solution {
	public static <T> T convertFromJsonToNormal(String fileName, Class<T> clazz) throws IOException {
		FileReader fileReader = new FileReader(fileName);
		ObjectMapper objectMapper = new ObjectMapper();
		T obj = objectMapper.readValue(fileReader, clazz);
		return obj;
	}

	public static void main(String[] args) throws IOException {

		FileWriter fileWriter = new FileWriter("1");
		ObjectMapper objectMapper = new ObjectMapper();
		Cat cat = new Cat("Zosya",6);
		objectMapper.writeValue(fileWriter,cat);
		Cat newCat = (Cat) convertFromJsonToNormal("1", Cat.class);
		newCat.toString();
	}
	@JsonAutoDetect
	public static class Cat {
		@JsonProperty ("wildAnimal")
		public String name;
		@JsonIgnore
		public int age;
		@JsonProperty ("over")
		public int weight;

		Cat(String name, int weight) {
			this.name = name;
			this.weight = weight;
		}

		@Override
		public String toString() {
			return "Cat{" +
					"name='" + name + '\'' +
					", age=" + age +
					", weight=" + weight +
					'}';
		}
	}
}