com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class org.hib

package com.example.bean;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;

@Entity
@Table(name="category")
@JsonIgnoreProperties(value = { "hibernateLazyInitializer"})
public class Category {
	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	private int id;
	
	private String name;

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	@Override
	public String toString() {
		return "Category [id=" + id + ", name=" + name + "]";
	}
	
	
}

加上 相应的bean类@JsonIgnoreProperties(value = { “hibernateLazyInitializer”}) 注解