初学Hibernate框架遇到问题望达人帮忙

2016-06-22 09:08:41 201 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

Langfuse落地教程：从Docker部署到项目接入，掌控LLM调用链路大模型应用开发中，调用链路的透明度直接决定调试效率与成本控制。可观测性技术通过记录每次请求的输入、输出、模型参数与Token消耗，帮助开发者快速定位问题。Langfuse作为开源LLM可观测性平台，将Trace、Prompt版本管理、评分等能力集成于一体，支持Docker Compose自托管部署，并提供Python/JS SDK与REST API。借助部署后的控制台，团队能够直观追踪RAG检索、Agent工具调用等复杂流程中的每一步耗时与资源占用，实现从黑盒调用到全链路可视化的转变。无论是本地调试、线上排阅读详情

实体类 Person：
public class Person {
private Integer id;
private String name;
public Person() {
super();
}
public Person(String name) {
super();
this.name = name;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Override
public String toString() {
return "Person [id=" + id + ", name=" + name + "]";
}

}
映射文件Person.hbm.xml:
<hibernate-mapping>
<class name="Person" table="person">
<id name="id" type="java.lang.Integer">
<generator class="native"></generator>
</id>
<property name="name" type="java.lang.String"></property>
</class>

</hibernate-mapping>

hibernate.cfg.xml文件：
<!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>
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="hibernate.connection.url">jdbc:mysql:///test</property>
<property name="hibernate.connection.username">root</property>
<property name="hibernate.connection.password">123</property>
<property name="hibernate.hbm2ddl.auto">update</property>
<property name="show_sql">true</property>
<mapping resource="com\my\enrity\Person.hbm.xml"/>
</session-factory>
</hibernate-configuration>

hibernate实现类HibernateConnect:
public static void main(String[] args) {
StandardServiceRegistry ssr = new StandardServiceRegistryBuilder().configure().build();
Metadata metadata = new MetadataSources(ssr).getMetadataBuilder()
.applyImplicitNamingStrategy(ImplicitNamingStrategyJpaCompliantImpl.INSTANCE).build();
SessionFactory factory = metadata.getSessionFactoryBuilder().build();
Session session = factory.openSession();

Transaction tc = session.beginTransaction();
Person p = new Person("wu");
session.save(p);
tc.commit();
session.clear();
session.close();
}
就是个最简单的例子，hibernate用的5.0.9版本 jdk8,反复查看过配制找不出问题.因为自学，上网查了很多资料都没有解决，很郁闷
错误是：
INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect
Exception in thread "main" org.hibernate.MappingException: entity class not found: Person
at org.hibernate.mapping.PersistentClass.getMappedClass(PersistentClass.java:131)
at org.hibernate.tuple.PropertyFactory.getGetter(PropertyFactory.java:323)
at org.hibernate.tuple.PropertyFactory.buildIdentifierAttribute(PropertyFactory.java:63)
at org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:141)
at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:509)
at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:124)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(PersisterFactoryImpl.java:96)
at org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(PersisterFactoryImpl.java:77)
at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:346)
at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:444)
at com.my.connection.HibernateConnect.main(HibernateConnect.java:21)
Caused by: org.hibernate.boot.registry.classloading.spi.ClassLoadingException: Unable to load class [Person]
at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:229)
at org.hibernate.boot.internal.ClassLoaderAccessImpl.classForName(ClassLoaderAccessImpl.java:62)
at org.hibernate.mapping.PersistentClass.getMappedClass(PersistentClass.java:126)
... 14 more
Caused by: java.lang.ClassNotFoundException: Could not load requested class : Person
at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl$AggregatedClassLoader.findClass(ClassLoaderServiceImpl.java:217)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:226)
... 16 more

...全文