猿问

有看懂的,帮忙解决下,谢谢!!!!

七月 26, 2016 10:24:17 上午 org.hibernate.annotations.common.reflection.java.JavaReflectionManager <clinit>

INFO: HCANN000001: Hibernate Commons Annotations {4.0.4.Final}

七月 26, 2016 10:24:17 上午 org.hibernate.Version logVersion

INFO: HHH000412: Hibernate Core {4.3.0.Final}

七月 26, 2016 10:24:17 上午 org.hibernate.cfg.Environment <clinit>

INFO: HHH000206: hibernate.properties not found

七月 26, 2016 10:24:17 上午 org.hibernate.cfg.Environment buildBytecodeProvider

INFO: HHH000021: Bytecode provider name : javassist

七月 26, 2016 10:24:17 上午 org.hibernate.cfg.Configuration configure

INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml

七月 26, 2016 10:24:17 上午 org.hibernate.cfg.Configuration getConfigurationInputStream

INFO: HHH000040: Configuration resource: /hibernate.cfg.xml

七月 26, 2016 10:24:17 上午 org.hibernate.internal.util.xml.DTDEntityResolver resolveEntity

WARN: HHH000223: Recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide!

七月 26, 2016 10:24:18 上午 org.hibernate.cfg.Configuration addResource

INFO: HHH000221: Reading mappings from resource: com/hrr/entity/Grade.hbm.xml

七月 26, 2016 10:24:18 上午 org.hibernate.cfg.Configuration addResource

INFO: HHH000221: Reading mappings from resource: com/hrr/entity/Student.hbm.xml

七月 26, 2016 10:24:18 上午 org.hibernate.cfg.Configuration doConfigure

INFO: HHH000041: Configured SessionFactory: null

七月 26, 2016 10:24:18 上午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure

INFO: HHH000402: Using Hibernate built-in connection pool (not for production use!)

七月 26, 2016 10:24:18 上午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator

INFO: HHH000401: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://127.0.0.1:3306/hrr]

七月 26, 2016 10:24:18 上午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator

INFO: HHH000046: Connection properties: {user=root, password=****}

七月 26, 2016 10:24:18 上午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator

INFO: HHH000006: Autocommit mode: false

七月 26, 2016 10:24:18 上午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure

INFO: HHH000115: Hibernate connection pool size: 20 (min=1)

七月 26, 2016 10:24:18 上午 org.hibernate.dialect.Dialect <init>

INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect

七月 26, 2016 10:24:18 上午 org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService

INFO: HHH000399: Using default transaction strategy (direct JDBC transactions)

七月 26, 2016 10:24:18 上午 org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init>

INFO: HHH000397: Using ASTQueryTranslatorFactory

Exception in thread "main" java.lang.ExceptionInInitializerError

at com.hrr.entity.Test.addStudent(Test.java:21)

at com.hrr.entity.Test.main(Test.java:10)

Caused by: org.hibernate.MappingException: Could not get constructor for org.hibernate.persister.entity.SingleTableEntityPersister

at org.hibernate.persister.internal.PersisterFactoryImpl.create(PersisterFactoryImpl.java:185)

at org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(PersisterFactoryImpl.java:135)

at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:399)

at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1857)

at com.hrr.util.HibernateUtil.<clinit>(HibernateUtil.java:18)

... 2 more

Caused by: org.hibernate.HibernateException: Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]

at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:138)

at org.hibernate.tuple.entity.EntityTuplizerFactory.constructDefaultTuplizer(EntityTuplizerFactory.java:188)

at org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:403)

at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:520)

at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:148)

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:525)

at org.hibernate.persister.internal.PersisterFactoryImpl.create(PersisterFactoryImpl.java:163)

... 6 more

Caused by: java.lang.reflect.InvocationTargetException

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:525)

at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:135)

... 15 more

Caused by: org.hibernate.PropertyNotFoundException: Could not find a getter for grade in class com.hrr.entity.Student

at org.hibernate.property.BasicPropertyAccessor.createGetter(BasicPropertyAccessor.java:310)

at org.hibernate.property.BasicPropertyAccessor.getGetter(BasicPropertyAccessor.java:304)

at org.hibernate.mapping.Property.getGetter(Property.java:323)

at org.hibernate.tuple.entity.PojoEntityTuplizer.buildPropertyGetter(PojoEntityTuplizer.java:411)

at org.hibernate.tuple.entity.AbstractEntityTuplizer.<init>(AbstractEntityTuplizer.java:200)

at org.hibernate.tuple.entity.PojoEntityTuplizer.<init>(PojoEntityTuplizer.java:80)

... 20 more


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汉娜之眼

你用Hibernate访问数据库的时候有没有注意和实体的属性对应,你这个问题我没找到你写的代码的重点,抱歉,但我估计是这个问题。
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