两表一对多，加了外键联系后，报错，两张表的内容都显示不出来了?报错

package com.inzyme.p2p.test;

import java.util.ArrayList;
import java.util.List;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.Table;

import org.hibernate.annotations.GenericGenerator;
import org.inzy.framework.core.common.entity.IdEntity;

import com.inzyme.p2p.finance.transcation.entity.TranscationEntity;

@Entity
@Table(name = "test_account", schema = "")
public class TestEntity {
	private String id;
	private String account;
	private String host;
	private String type;
	private String accountname;
	private String money;
	private String state;
	private String note;

	private List<TradeEntity> trade = new ArrayList<TradeEntity>();

	@OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY, mappedBy = "testentity")
	public List<TradeEntity> getTrade() {
		return trade;
	}

	public void setTrade(List<TradeEntity> trade) {
		this.trade = trade;
	}

	@Id
	@Column(name = "id", nullable = false, length = 32)
	public String getId() {
		return id;
	}

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

	@Column(name = "账号", nullable = true, length = 32)
	public String getAccount() {
		return account;
	}

	public void setAccount(String account) {
		this.account = account;
	}

	@Column(name = "户主", nullable = true, length = 32)
	public String getHost() {
		return host;
	}

	public void setHost(String host) {
		this.host = host;
	}

	@Column(name = "账户类型", nullable = true, length = 2)
	public String getType() {
		return type;
	}

	public void setType(String type) {
		this.type = type;
	}

	@Column(name = "账户名称", nullable = true, length = 50)
	public String getAccountname() {
		return accountname;
	}

	public void setAccountname(String accountname) {
		this.accountname = accountname;
	}

	@Column(name = "余额", nullable = true, length = 32)
	public String getMoney() {
		return money;
	}

	public void setMoney(String money) {
		this.money = money;
	}

	@Column(name = "账户状态", nullable = true, length = 2)
	public String getState() {
		return state;
	}

	public void setState(String state) {
		this.state = state;
	}

	@Column(name = "备注", nullable = true, length = 32)
	public String getNote() {
		return note;
	}

	public void setNote(String note) {
		this.note = note;
	}

}