Hibernate报错：org.hibernate.boot.MappingNotFoundException: Mapping (RESOURCE) not found :

最新推荐文章于 2020-06-25 21:53:15 发布

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最新推荐文章于 2020-06-25 21:53:15 发布

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分类专栏：编程遇到的错误 Hibernate 文章标签： MappingNotFoundException org.hibernate.boot.MappingNotF

本文链接：https://blog.youkuaiyun.com/zhaoraolin/article/details/81383660

编程遇到的错误同时被 2 个专栏收录

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本文详细解析了 Java 应用中使用 Hibernate 框架时出现的 MappingNotFoundException 错误，阐述了错误产生的原因及两种配置实体映射的方式，并提供了具体的异常堆栈跟踪。

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1.具体报错原因：

java.lang.ExceptionInInitializerError
	at com.zrl.action.Test2.fun1(Test2.java:14)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: org.hibernate.boot.MappingNotFoundException: Mapping (RESOURCE) not found : com.zrl.entity1.Dept : origin(com.zrl.entity1.Dept)
	at org.hibernate.boot.spi.XmlMappingBinderAccess.bind(XmlMappingBinderAccess.java:56)
	at org.hibernate.boot.MetadataSources.addResource(MetadataSources.java:274)
	at org.hibernate.boot.cfgxml.spi.MappingReference.apply(MappingReference.java:70)
	at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:413)
	at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:87)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:692)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:724)
	at com.zrl.util.HibernateUtil.<clinit>(HibernateUtil.java:25)
	... 24 more

2.可能原因：

在hibernate.cfg.xml文件中引入实例的时候出错：

引入实例有两种形式：

①配置为xml形式引入：

<!-- 引入资源配置文件 -->
<mapping resource="com/zrl/entity/Clazz.hbm.xml"/>
<mapping resource="com/zrl/entity/Student.hbm.xml"/>

此种方式参数引用为resource

②直接引入实体类，但每个实体类必须要有@Entity注解

<!-- 将带有entity注解的实体类进行注册 -->
<mapping class="com.zrl.entity1.Dept"/>
<mapping class="com.zrl.entity1.Employee"/>

此种方式参数引用为class

③当然也有可能是路径拼写出错