图片映射错误

源自：3-4 [Hibernate单表操作] 对象类型

图片映射错误

以上就是代码，报错如下边：

org.hibernate.MappingException: Could not determine type for: com.mysql.jdbc.Blob, at table: STUDENTS, for columns: [org.hibernate.mapping.Column(PICTURE)]

at org.hibernate.mapping.SimpleValue.getType(SimpleValue.java:314)

at org.hibernate.mapping.SimpleValue.isValid(SimpleValue.java:292)

at org.hibernate.mapping.Property.isValid(Property.java:239)

at org.hibernate.mapping.PersistentClass.validate(PersistentClass.java:469)

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

at org.hibernate.cfg.Configuration.validate(Configuration.java:1324)

at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1782)

at StudentsTest.init(StudentsTest.java:38)

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

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

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.RunBefores.evaluate(RunBefores.java:27)

at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)

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)

java.lang.NullPointerException

at StudentsTest.destory(StudentsTest.java:48)