首先Adress實體類 getter setter不全，會導(dǎo)致映射失敗，另外報錯光看這個有效信息太少，看出現(xiàn)紅條的JUnit插件里面的報錯會更準(zhǔn)確目前看出來的就這些。

最后是Students.hb,.xml

<?xml?version="1.0"?>
<!DOCTYPE?hibernate-mapping?PUBLIC?"-//Hibernate/Hibernate?Mapping?DTD?3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--?Generated?2017-2-15?14:44:43?by?Hibernate?Tools?3.5.0.Final?-->
<hibernate-mapping?package="default?package">
????<class?name="Students"?table="STUDENTS">
????????<id?name="sid"?type="int">
????????????<column?name="SID"?/>
????????????<generator?class="assigned"?/>
????????</id>
????????<property?name="sname"?type="java.lang.String">
????????????<column?name="SNAME"?/>
????????</property>
????????<property?name="gender"?type="java.lang.String">
????????????<column?name="GENDER"?/>
????????</property>
????????<property?name="birthday"?type="java.util.Date">
????????????<column?name="BIRTHDAY"?/>
????????</property>
????????<property?name="picture"?type="java.sql.Blob">
????????????<column?name="PICTURE"?/>
????????</property>
????????<component?name="address"?class="Address">
???????		????<parent?name="owner"></parent>
????????		<property?name="postcode"?></property>
????????		<property?name="phone"></property>
????????		<property?name="address"></property>
????????</component>
????</class>
</hibernate-mapping>

然后是hibernate

<?xml?version="1.0"?encoding="UTF-8"?>
<!DOCTYPE?hibernate-configuration?PUBLIC?"-//Hibernate/Hibernate?Configuration?DTD?3.0//EN"
?????????????????????????????????????????"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
?<session-factory?name="">
??<property?name="connection.username">root</property>
??<property?name="connection.password">tao</property>
??<property?name="connection.driver_class">com.mysql.jdbc.Driver</property>
??<property?name="connection.url">jdbc:mysql://localhost/hibernate</property>
??<property?name="dialect">org.hibernate.dialect.MySQLDialect</property>
??<!--?配置Hibernate數(shù)據(jù)庫方言，Hibernate可針對特殊的數(shù)據(jù)庫進(jìn)行優(yōu)化?-->
??<property?name="show_sql">true</property>
??<!--?是否把Hibernate運行時的SQL語句輸出到控制臺，編碼階段便于測試?-->
??<property?name="format_sql">true</property>
??<!--?輸出到控制臺的SQL語句是否進(jìn)行排版，便于閱讀。建議設(shè)置為TRUE?-->
??<property?name="hbm2ddl.auto">update</property>
??<!--?可以幫助由Java代碼生成數(shù)據(jù)庫腳本，進(jìn)而生成具體的表結(jié)構(gòu)。create|update|create-drop|validate|?-->
??<mapping?resource="Students.hbm.xml"/>
?</session-factory>
</hibernate-configuration>

下面是ADDRESS類

//地址類
public?class?Address?{
	//指向該ADRESS屬性的容器實體（也即Students對象）
	private?Students?owner;
	private?String?postcade;//郵編
	private?String?phone;//電話
	private?String?address;//地址
	
	
	
	public?Address(){}
	/*?（非?Javadoc）
	?*?@see?java.lang.Object#toString()
	?*/
	@Override
	public?String?toString()?{
		return?"Address?[postcade="?+?postcade?+?",?phone="?+?phone?+?",?address="?+?address?+?"]";
	}
	public?Address(String?postcade,?String?phone,?String?address)?{
		//super();
		this.postcade?=?postcade;
		this.phone?=?phone;
		this.address?=?address;
	}
	/**
	?*?@return?owner
	?*/
	public?Students?getOwner()?{
		return?owner;
	}
	/**
	?*?@param?owner?要設(shè)置的?owner
	?*/
	public?void?setOwner(Students?owner)?{
		this.owner?=?owner;
	}
	/**
	?*?@return?postcade
	?*/
	public?String?getPostcade()?{
		return?postcade;
	}
	/**
	?*?@param?postcade?要設(shè)置的?postcade
	?*/
	public?void?setPostcade(String?postcade)?{
		this.postcade?=?postcade;
	}
	/**
	?*?@return?phone
	?*/
	public?String?getPhone()?{
		return?phone;
	}
	/**
	?*?@param?phone?要設(shè)置的?phone
	?*/
	public?void?setPhone(String?phone)?{
		this.phone?=?phone;
	}
	/**
	?*?@return?address
	?*/
	public?String?getAddress()?{
		return?address;
	}
	/**
	?*?@param?address?要設(shè)置的?address
	?*/
	public?void?setAddress(String?address)?{
		this.address?=?address;
	}

}

然后是Students

import?java.sql.Blob;
import?java.util.Date;

//持久化類，學(xué)生類
public?class?Students?{

	/**
	?*?編寫持久化類(實體類)，持久化類的設(shè)計原則要遵循javabean的設(shè)計原則，設(shè)計原則有四點：?
	?*?1.?這個類是一個公有類?
	?*?2.提供公有的不帶參數(shù)的默認(rèn)的構(gòu)造方法?
	?*?3.?屬性要私有化private?
	?*?4.?屬性要用setter/getter封裝
	?*/
	private?int?sid;//?學(xué)號
	private?String?sname;//?姓名
	private?String?gender;//?性別
	private?Date?birthday;//?出生日期
	//private?String?address;//?地址
	private?Blob?picture;//照片
	private?Address?address;//地址
	
	/**
	?*?@return?address
	?*/
	public?Address?getAddress()?{
		return?address;
	}
	/**
	?*?@param?address?要設(shè)置的?address
	?*/
	public?void?setAddress(Address?address)?{
		this.address?=?address;
	}
	public??Students(){}
	public?Students(int?sid,?String?sname,?String?gender,?Date?birthday,?String?address)?{
		super();
		this.sid?=?sid;
		this.sname?=?sname;
		this.gender?=?gender;
		this.birthday?=?birthday;
		//this.address?=?address;
	}
	
	
	
	
	
	public?Students(int?sid,?String?sname,?String?gender,?Date?birthday,?String?address,?Blob?picture)?{
		super();
		this.sid?=?sid;
		this.sname?=?sname;
		this.gender?=?gender;
		this.birthday?=?birthday;
		//this.address?=?address;
		this.picture?=?picture;
	}
	/*?（非?Javadoc）
	?*?@see?java.lang.Object#toString()
	?*/
	@Override
	public?String?toString()?{
		return?"Students?[sid="?+?sid?+?",?sname="?+?sname?+?",?gender="?+?gender?+?",?birthday="?+?birthday
				+?",?address="?+?address?+?",?picture="?+?picture?+?"]";
	}
	/**
	?*?@return?sid
	?*/
	public?int?getSid()?{
		return?sid;
	}
	/**
	?*?@param?sid?要設(shè)置的?sid
	?*/
	public?void?setSid(int?sid)?{
		this.sid?=?sid;
	}
	/**
	?*?@return?sname
	?*/
	public?String?getSname()?{
		return?sname;
	}
	/**
	?*?@param?sname?要設(shè)置的?sname
	?*/
	public?void?setSname(String?sname)?{
		this.sname?=?sname;
	}
	/**
	?*?@return?gender
	?*/
	public?String?getGender()?{
		return?gender;
	}
	/**
	?*?@param?gender?要設(shè)置的?gender
	?*/
	public?void?setGender(String?gender)?{
		this.gender?=?gender;
	}
	/**
	?*?@return?birthday
	?*/
	public?Date?getBirthday()?{
		return?birthday;
	}
	/**
	?*?@param?birthday?要設(shè)置的?birthday
	?*/
	public?void?setBirthday(Date?birthday)?{
		this.birthday?=?birthday;
	}
	
	/**
	?*?@return?picture
	?*/
	public?Blob?getPicture()?{
		return?picture;
	}
	/**
	?*?@param?picture?要設(shè)置的?picture
	?*/
	public?void?setPicture(Blob?picture)?{
		this.picture?=?picture;
	}

}

首先是?StudentsTest
import?java.io.BufferedInputStream;
import?java.io.BufferedOutputStream;
import?java.io.File;
import?java.io.FileInputStream;
import?java.io.FileNotFoundException;
import?java.io.FileOutputStream;
import?java.io.FilterOutputStream;
import?java.io.IOException;
import?java.io.InputStream;
import?java.sql.Blob;
import?java.sql.SQLException;
import?java.util.Date;

import?org.hibernate.Hibernate;
import?org.hibernate.Session;
import?org.hibernate.SessionFactory;
import?org.hibernate.Transaction;
import?org.hibernate.cfg.Configuration;
import?org.hibernate.service.ServiceRegistry;
import?org.hibernate.service.ServiceRegistryBuilder;
import?org.junit.After;
import?org.junit.Before;
import?org.junit.Test;

//測試類
public?class?StudentsTest?{
	
	private?SessionFactory?sessionFactory;
	private?Session?session;
	private?Transaction?transaction;
	
	@Before
	public?void?init(){
		//創(chuàng)建配置對象
		Configuration?config?=?new?Configuration().configure();
		//創(chuàng)建服務(wù)注冊對象
		ServiceRegistry?serviceRegistry?=?new?ServiceRegistryBuilder().applySettings(config.getProperties()).buildServiceRegistry();
		//創(chuàng)建會話工廠對象
		sessionFactory?=?config.buildSessionFactory(serviceRegistry);
		//創(chuàng)建會話對象
		session?=?sessionFactory.openSession();
		//開啟事物
		transaction?=?session.beginTransaction();
	}
	
	
	@Test
	public?void?testSaveStudents(){
		//生成學(xué)生對象
		//Students?s?=?new?Students(4,"張三","男",new?Date(),"武當(dāng)");?
		Students?s?=?new?Students();
		s.setSid(111);
		s.setSname("張三豐");
		s.setGender("男");
		s.setBirthday(new?Date());
//		s.setAddress("武當(dāng)山");
		Address?address?=?new?Address("710064","02988567123","西安市");
		s.setAddress(address);
		session.save(s);//保存對象進(jìn)入數(shù)據(jù)庫
	}
//	@Test
//	public?void?testWriteBlob()?throws?IOException{
//		//Students?s?=?new?Students(1,"張三豐","男",new?Date(),"武當(dāng)山");?
//		//先獲得照片文件
//		Students?s?=?new?Students();
//		s.setSid(2);
//		s.setSname("啊哈哈");
//		s.setGender("女");
//		s.setBirthday(new?Date());
//		s.setAddress("武當(dāng)山");
//		File?f=?new?File("D:"+File.separator+"下載"+File.separator+"一護(hù).jpg");
//		//獲得文件的輸入流
//		FileInputStream?fis?=new?FileInputStream(f);
//		Blob?image?=Hibernate.getLobCreator(session).createBlob(fis,?fis.available());
//		//設(shè)置照片屬性
//		s.setPicture(image);
//		//保存學(xué)生
//		session.save(s);
//		
//	}
////	@Test
//	public?void?testReadBlob()?throws??Exception{
//		Students?s?=?(Students)?session.get(Students.class,?1);
//		//獲得Blob對象
//		Blob?image?=?s.getPicture();
//		//獲得照片的輸入流
//		InputStream?input?=?image.getBinaryStream();
//		BufferedInputStream?bis?=?new?BufferedInputStream(input);
//		
//		//創(chuàng)建輸出流
//		File?f?=?new?File("D:"+File.separator+"下載"+File.separator+"DataBaseCopy.jpg");
//		BufferedOutputStream?bos?=?new?BufferedOutputStream(new?FileOutputStream(f));
//		/**
//		?*?方法一，一次性寫入一個數(shù)組
//		?*/
//		byte?[]?buf?=?new?byte[input.available()];
//		bis.read(buf);
//		bos.write(buf);
//		/**
//		?*?方法二，多次寫入一個數(shù)組
//		?*?切記一定要刷新緩沖區(qū)，否則會出現(xiàn)字節(jié)數(shù)組丟失的問題
//		?*/
//		byte?[]?buf?=new?byte?[1024];
//		int?i;
//		while((i=bis.read(buf))!=-1){
//			bos.write(buf);
//			bos.flush();
//		}
//	}
	@After
	public?void?destory(){
		transaction.commit();//提交事務(wù)
		session.close();//關(guān)閉會話
		sessionFactory.close();//關(guān)閉會話工廠
	}

}

要不你就把包改成命名包把。。。還有就是哪個步驟錯了？你的說啊