Hibernate多对一关系.找不到映射文件

[xiaoweiweixiaomoumou]

两个类文件

package com.aptech.jb.epet.entity;

import java.sql.Date;

/**
 * PetDiary generated by MyEclipse Persistence Tools
 */

public class PetDiary implements java.io.Serializable {

	// Fields
         //宠物日记类
	private Integer diaryId;
	
	private PetInfo petInfo = null;

	private Date diaryDate;

	private String diaryTitle;

	private String diaryWeather;

	private String diaryContext;

	private String diaryIsPublic = "off";

	private Date diaryLastModify;

	private String diaryAuthor;

	private String diaryAuthorEmail;

	// Constructors

	/** default constructor */
	public PetDiary() {
	}

	/** full constructor */
	public PetDiary(PetInfo petInfo, Date diaryDate, String diaryTitle,
			String diaryWeather, String diaryContext, String diaryIsPublic,
			Date diaryLastModify, String diaryAuthor, String diaryAuthorEmail) {
		this.petInfo = petInfo;
		this.diaryDate = diaryDate;
		this.diaryTitle = diaryTitle;
		this.diaryWeather = diaryWeather;
		this.diaryContext = diaryContext;
		this.diaryIsPublic = diaryIsPublic;
		this.diaryLastModify = diaryLastModify;
		this.diaryAuthor = diaryAuthor;
		this.diaryAuthorEmail = diaryAuthorEmail;
	}

	// Property accessors

	public Integer getDiaryId() {
		return this.diaryId;
	}

	public void setDiaryId(Integer diaryId) {
		this.diaryId = diaryId;
	}

//	public Integer getDiaryPetId() {
//		return this.diaryPetId;
//	}
//
//	public void setDiaryPetId(Integer diaryPetId) {
//		this.diaryPetId = diaryPetId;
//	}

	public Date getDiaryDate() {
		return this.diaryDate;
	}

	public void setDiaryDate(Date diaryDate) {
		this.diaryDate = diaryDate;
	}

	public String getDiaryTitle() {
		return this.diaryTitle;
	}

	public void setDiaryTitle(String diaryTitle) {
		this.diaryTitle = diaryTitle;
	}

	public String getDiaryWeather() {
		return this.diaryWeather;
	}

	public void setDiaryWeather(String diaryWeather) {
		this.diaryWeather = diaryWeather;
	}

	public String getDiaryContext() {
		return this.diaryContext;
	}

	public void setDiaryContext(String diaryContext) {
		this.diaryContext = diaryContext;
	}

	public String getDiaryIsPublic() {
		return this.diaryIsPublic;
	}

	public void setDiaryIsPublic(String diaryIsPublic) {
		this.diaryIsPublic = diaryIsPublic;
	}

	public Date getDiaryLastModify() {
		return this.diaryLastModify;
	}

	public void setDiaryLastModify(Date diaryLastModify) {
		this.diaryLastModify = diaryLastModify;
	}

	public String getDiaryAuthor() {
		return this.diaryAuthor;
	}

	public void setDiaryAuthor(String diaryAuthor) {
		this.diaryAuthor = diaryAuthor;
	}

	public String getDiaryAuthorEmail() {
		return this.diaryAuthorEmail;
	}

	public void setDiaryAuthorEmail(String diaryAuthorEmail) {
		this.diaryAuthorEmail = diaryAuthorEmail;
	}

	public PetInfo getPetInfo() {
		return petInfo;
	}

	public void setPetInfo(PetInfo petInfo) {
		this.petInfo = petInfo;
	}

}


//宠物用户类
package com.aptech.jb.epet.entity;

import java.io.Serializable;

/**
 * PetInfo generated by MyEclipse Persistence Tools
 */

public class PetInfo implements Serializable {

	// Fields

	private Integer petId;

	private String petName;

	private String petSex;

	private Integer petStrength;

	private Integer petCute;

	private Integer petLove;

	private String petIntro;

	private String petOwnerName;

	private String petOwnerEmail;

	private String petPassword;

	private String petPic;

	private Integer petType;

	// Constructors

	/** default constructor */
	public PetInfo() {
	}

	/** full constructor */
	public PetInfo(String petName, String petSex, Integer petStrength,
			Integer petCute, Integer petLove, String petIntro,
			String petOwnerName, String petOwnerEmail, String petPassword,
			String petPic, Integer petType) {
		this.petName = petName;
		this.petSex = petSex;
		this.petStrength = petStrength;
		this.petCute = petCute;
		this.petLove = petLove;
		this.petIntro = petIntro;
		this.petOwnerName = petOwnerName;
		this.petOwnerEmail = petOwnerEmail;
		this.petPassword = petPassword;
		this.petPic = petPic;
		this.petType = petType;
	}

	// Property accessors

	public Integer getPetId() {
		return this.petId;
	}

	public void setPetId(Integer petId) {
		this.petId = petId;
	}

	public String getPetName() {
		return this.petName;
	}

	public void setPetName(String petName) {
		this.petName = petName;
	}

	public String getPetSex() {
		return this.petSex;
	}

	public void setPetSex(String petSex) {
		this.petSex = petSex;
	}

	public Integer getPetStrength() {
		return this.petStrength;
	}

	public void setPetStrength(Integer petStrength) {
		this.petStrength = petStrength;
	}

	public Integer getPetCute() {
		return this.petCute;
	}

	public void setPetCute(Integer petCute) {
		this.petCute = petCute;
	}

	public Integer getPetLove() {
		return this.petLove;
	}

	public void setPetLove(Integer petLove) {
		this.petLove = petLove;
	}

	public String getPetIntro() {
		return this.petIntro;
	}

	public void setPetIntro(String petIntro) {
		this.petIntro = petIntro;
	}

	public String getPetOwnerName() {
		return this.petOwnerName;
	}

	public void setPetOwnerName(String petOwnerName) {
		this.petOwnerName = petOwnerName;
	}

	public String getPetOwnerEmail() {
		return this.petOwnerEmail;
	}

	public void setPetOwnerEmail(String petOwnerEmail) {
		this.petOwnerEmail = petOwnerEmail;
	}

	public String getPetPassword() {
		return this.petPassword;
	}

	public void setPetPassword(String petPassword) {
		this.petPassword = petPassword;
	}

	public String getPetPic() {
		return this.petPic;
	}

	public void setPetPic(String petPic) {
		this.petPic = petPic;
	}

	public Integer getPetType() {
		return this.petType;
	}

	public void setPetType(Integer petType) {
		this.petType = petType;
	}

}

[xiaoweiweixiaomoumou]

hibernate.cfg.xml

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
          "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<!-- Generated by MyEclipse Hibernate Tools.                   -->
<hibernate-configuration>

<session-factory>
	<property name="dialect">
		org.hibernate.dialect.SQLServerDialect
	</property>
	<property name="connection.url">
		jdbc:sqlserver://localhost:1433;DataBaseName=epet
	</property>
	<property name="connection.username">sa</property>
	<property name="connection.password">3189start</property>
	<property name="connection.driver_class">
		com.microsoft.sqlserver.jdbc.SQLServerDriver
	</property>
	<property name="show_sql">true</property>
	<mapping resource="com/aptech/jb/epet/entity/PetDiary.hbm.xml" />
	<mapping resource="com/aptech/jb/epet/entity/PetInfo.hbm.xml" />
</session-factory>

</hibernate-configuration>


PetDiary.hbm.xml
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- 
	Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
	<class name="com.aptech.jb.epet.entity.PetDiary" table="PetDiary"
		schema="dbo" catalog="epet">
		<id name="diaryId" type="java.lang.Integer">
			<column name="diary_id" />
			<generator class="native" />
		</id>
		<property name="diaryDate" type="java.sql.Date">
			<column name="diary_date" length="23" not-null="true" />
		</property>
		<property name="diaryTitle" type="java.lang.String">
			<column name="diary_title" length="300" not-null="true" />
		</property>
		<property name="diaryWeather" type="java.lang.String">
			<column name="diary_weather" length="30" not-null="true" />
		</property>
		<property name="diaryContext" type="java.lang.String">
			<column name="diary_context" length="7000" not-null="true" />
		</property>
		<property name="diaryIsPublic" type="java.lang.String">
			<column name="diary_is_public" length="3" />
		</property>
		<property name="diaryLastModify" type="java.sql.Date">
			<column name="diary_last_modify" length="23"
				not-null="false" />
		</property>
		<property name="diaryAuthor" type="java.lang.String">
			<column name="diary_author" length="30" not-null="true" />
		</property>
		<property name="diaryAuthorEmail" type="java.lang.String">
			<column name="diary_author_email" length="200"
				not-null="true" />
		</property>
		<many-to-one name="petInfo" column="petId"
			class="PetInfo" />
	</class>
</hibernate-mapping>



PetInfo.hbm.xml
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- 
    Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
    <class name="com.aptech.jb.epet.entity.PetInfo" table="PetInfo" schema="dbo" catalog="epet">
        <id name="petId" type="java.lang.Integer">
            <column name="pet_id" />
            <generator class="native" />
        </id>
        <property name="petName" type="java.lang.String">
            <column name="pet_name" length="50" not-null="true" />
        </property>
        <property name="petSex" type="java.lang.String">
            <column name="pet_sex" length="2" not-null="true" />
        </property>
        <property name="petStrength" type="java.lang.Integer">
            <column name="pet_strength" not-null="true" />
        </property>
        <property name="petCute" type="java.lang.Integer">
            <column name="pet_cute" not-null="true" />
        </property>
        <property name="petLove" type="java.lang.Integer">
            <column name="pet_love" not-null="true" />
        </property>
        <property name="petIntro" type="java.lang.String">
            <column name="pet_intro" length="7000" not-null="true" />
        </property>
        <property name="petOwnerName" type="java.lang.String">
            <column name="pet_owner_name" length="30" not-null="true" />
        </property>
        <property name="petOwnerEmail" type="java.lang.String">
            <column name="pet_owner_email" length="100" not-null="true" />
        </property>
        <property name="petPassword" type="java.lang.String">
            <column name="pet_password" length="30" not-null="true" />
        </property>
        <property name="petPic" type="java.lang.String">
            <column name="pet_pic" length="300" not-null="true" />
        </property>
        <property name="petType" type="java.lang.Integer">
            <column name="pet_type" not-null="true" />
        </property>
    </class>
</hibernate-mapping>


其中获取日记集合的方法
	public List search(PetDiary item) {
		session = getSession();
		String hql = "from PetDiary pd where pd.diary_pet_id=:petId";
		Query query = session.createQuery(hql);
		query.setInteger("petId", Integer.parseInt(item.getPetInfo().getPetId()
				.toString()));
		return query.list();
	}


异常org.hibernate.MappingException: An association from the table PetDiary refers to an unmapped class: PetInfo

%%%% Error Creating SessionFactory %%%%
org.hibernate.MappingException: Could not read mappings from resource: com/aptech/jb/epet/entity/PetDiary.hbm.xml

Caused by: org.hibernate.DuplicateMappingException: Duplicate class/entity mapping com.aptech.jb.epet.entity.PetDiary

[chenhongxin]

看的有点眼花。反正你多对一和一对多配合着用，肯定没错。两个映射文件全做好对应。就可以了。

[aibbhui]

你这种多对一的关系，在数据库中体现出来了吗？ 如果数据库里面没有体现出来，那么hibernate映射的文件就是one-to-one 如果数据库中有外键，那么生成的字段中体现出one-to-many

[_LiuHui]

Hibernate 配置文件添加 实体类映射文件。看看你的还有么？

[探路者联盟]

[Quote=引用 3 楼 aibbhui 的回复:]
你这种多对一的关系，在数据库中体现出来了吗？ 如果数据库里面没有体现出来，那么hibernate映射的文件就是one-to-one 如果数据库中有外键，那么生成的字段中体现出one-to-many
[/Quote]

哥也是这么想的。、

[lehafafa1]

<many-to-one name="petInfo" column="petId"
class="PetInfo" /> class="PetInfo" PetInfo 改成路径 比如 class="com.gotop.sisp.unit.hbm.Info" 把全路径加上

[小武茶庄]

<many-to-one name="petInfo" column="petId"
            class="PetInfo" />

改

<many-to-one name="petInfo" column="petId"
            class="com.aptech.jb.epet.entity.PetInfo" />