java - hibernate配置xml中的错误: Failed:org. hibernate.MappingException:读取资源时出错:com/

Question

我是练习 hibernate ORM 的初学者，我需要帮助解决以下异常:谢谢

实体:

package com.ds.supercar.model.usermodel;

公开课地址{

private String emailid;
private String mobile;
private String street;
private String city;
private String state;
private String country;
private String pin;

//GETTERS AND SETTERS
public Address() {
    // TODO Auto-generated constructor stub
}


public Address(String emailid, String mobile, String street, String city, String state, String country,
        String pin) {
    super();
    this.emailid = emailid;
    this.mobile = mobile;
    this.street = street;
    this.city = city;
    this.state = state;
    this.country = country;
    this.pin = pin;
}






public String getEmailid() {
    return emailid;
}
public void setEmailid(String emailid) {
    this.emailid = emailid;
}
public String getMobile() {
    return mobile;
}
public void setMobile(String mobile) {
    this.mobile = mobile;
}
public String getStreet() {
    return street;
}
public void setStreet(String street) {
    this.street = street;
}
public String getCity() {
    return city;
}
public void setCity(String city) {
    this.city = city;
}
public String getState() {
    return state;
}
public void setState(String state) {
    this.state = state;
}
public String getCountry() {
    return country;
}
public void setCountry(String country) {
    this.country = country;
}
public String getPin() {
    return pin;
}
public void setPin(String pin) {
    this.pin = pin;
}

}

hbm.xml 文件

<!DOCTYPE hibernate-mapping PUBLIC 
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
    <class name="com.ds.supercar.model.usermodel.Address" table="supercaraddress" schema="supercar">
        <id column="email"/>
        <property name="mobile"/>
        <property name="street"/>
        <property name="city"/>
        <property name="state"/>
        <property name="country"/>
        <property name="pin"/>
    </class>

</hibernate-mapping>

hibernate 配置文件 XML:

<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
    <session-factory>
        <property name="hibernate.connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
        <property name="hibernate.connection.url">jdbc:oracle:thin:@127.0.0.1:1521:SYSTEM</property>
        <property name="hibernate.connection.username">system</property>
        <property name="hibernate.connection.password">admin</property>
        <property name="hbm2ddl_auto">create</property>

org.hibernate.dialect.Oracle11gDialect 真的

异常(exception):

log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).

log4j:WARN 请正确初始化 log4j 系统。初始 SessionFactory 创建失败:org.hibernate.MappingException:读取资源时出错:com/ds/supercar/resources/mappings/usermodel/address.hbm.xml线程“main”中的异常 java.lang.ExceptionInInitializerError 在 Test.main(Test.java:19)引起:org.hibernate.MappingException:读取资源时出错:com/ds/supercar/resources/mappings/usermodel/address.hbm.xml 在 org.hibernate.cfg.Configuration.addResource(Configuration.java:449) 在 org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1313) 在org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1285) 在 org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1267) 在 org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1234) 在org.hibernate.cfg.Configuration.configure(Configuration.java:1162) 在org.hibernate.cfg.Configuration.configure(Configuration.java:1148) 在 Test.main(Test.java:12)引起原因:org.hibernate.MappingException:必须指定标识符类型:com.ds.supercar.model.usermodel.Address 在 org.hibernate.cfg.HbmBinder.bindSimpleId(HbmBinder.java:354) 在 org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:293) 在 org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:235) 在org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:151) 在 org.hibernate.cfg.Configuration.add(Configuration.java:360) 在 org.hibernate.cfg.Configuration.addInputStream(Configuration.java:397) 在 org.hibernate.cfg.Configuration.addResource(Configuration.java:446) ... 7 更多

请帮我解决这个问题:

Answer 1

我认为您只是错过了 name在映射文件中您的 ID 中。

来自映射 XML:<id name="emailId" column="email"/>