org.hibernate.MappingException: Could not determine type for: java.utils.Date

问题描述

org.hibernate.MappingException: Could not determine type for: java.utils.Date, at table: STUDENTS, for columns: [org.hibernate.mapping.Column(DATE)]

at org.hibernate.mapping.SimpleValue.getType(SimpleValue.java:349)

at org.hibernate.mapping.SimpleValue.isValid(SimpleValue.java:322)

at org.hibernate.mapping.Property.isValid(Property.java:241)

at org.hibernate.mapping.PersistentClass.validate(PersistentClass.java:496)

at org.hibernate.mapping.RootClass.validate(RootClass.java:270)

at org.hibernate.cfg.Configuration.validate(Configuration.java:1360)

at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1851)

at entity.TestStudents.testSchemaExport(TestStudents.java:25)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:497)

at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)

at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)

at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)

at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)

at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)

at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)

at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)

at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)

at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)

at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)

at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)

at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)

at org.junit.runners.ParentRunner.run(ParentRunner.java:300)

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)

原因：

type指的是hibernate中的类型，不是java中的类型，必须小写

解决方法：

把Students.hbm.xml 文件中

<property name="date" type="string.utils.Date">

<column name="DATE" />

</property>

改为

<property name="date" type="date">

<column name="DATE" />

</property>