转自：https://blog.csdn.net/zheng0518/article/details/11029733
TestStudent.testSchemaExport
testSchemaExport(com.demo.pojo.dxwj.TestStudent)
org.hibernate.AnnotationException: @OneToOne or @ManyToOne on com.demo.pojo.dxwj.Students.cardId references an unknown entity: com.demo.pojo.dxwj.IdCard
at org.hibernate.cfg.ToOneFkSecondPass.doSecondPass(ToOneFkSecondPass.java:107)
at org.hibernate.cfg.Configuration.processEndOfQueue(Configuration.java:1580)
at org.hibernate.cfg.Configuration.processFkSecondPassInOrder(Configuration.java:1503)
at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1419)
at org.hibernate.cfg.Configuration.generateDropSchemaScript(Configuration.java:1002)
at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:130)
at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:92)
at com.demo.pojo.dxwj.TestStudent.testSchemaExport(TestStudent.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at junit.framework.TestCase.runTest(TestCase.java:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
原因有二：
(1) 被引用的类的class上没添@Entity注解
(2)没有添sessionFactory的annotatedClasses属性列表中去或者是配置文件中没有添加<mapping-class>
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作者：onyas
来源：CSDN
原文：https://blog.csdn.net/zheng0518/article/details/11029733?utm_source=copy
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