休止状態：ここで彼らは

で既に利用されているとして、マッピング・ドキュメントをマップすることができませんconfiguration.cfg.xml休止状態：ここで彼らは

<!DOCTYPE hibernate-configuration PUBLIC 
    "-//Hibernate/Hibernate Configuration DTD 3.0//EN" 
    "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd"> 
<hibernate-configuration> 
    <session-factory> 
     <property name="dialect">org.hibernate.dialect.MySQLDialect</property> 
     <property name="connection.driver_class">com.mysql.jdbc.Driver</property> 
     <property name="connection.url">jdbc:mysql://localhost:3306/hibernate_xml</property> 
     <property name="connection.username">root</property> 
     <property name="connection.password">root</property> 
     <property name="show_sql">true</property> 
     <property name="hbm2ddl.auto">create</property> 
     <property name="format_sql">true</property> 

     <!-- mapping configurations --> 

     <mapping resource="resources/Employee.hbm.xml" /> 
     <mapping resource="resources/Department.hbm.xml" /> 

    </session-factory> 
</hibernate-configuration>

は私Employee.xml

<?xml version="1.0"?> 
<!DOCTYPE hibernate-mapping PUBLIC 
    "-//Hibernate/Hibernate Mapping DTD 3.0//EN" 
    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"> 
<hibernate-mapping> 
    <class name="com.domain.Employee" table="employee"> 
     <id name="id" type="long" column="id"> 
      <generator class="increment" /> 
     </id> 
     <property name="firstName" name="firstName" /> 
     <property name="salary" name="salary" /> 

     <many-to-one name="department" class="com.domain.Department"> 
      <column name="department" /> 
     </many-to-one> 
    </class> 
</hibernate-mapping>

department.hbm.xml

です

<!DOCTYPE hibernate-mapping PUBLIC 
    "-//Hibernate/Hibernate Mapping DTD 3.0//EN" 
    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"> 
<hibernate-mapping> 
    <class name="com.domain.Department" table="department"> 
     <id name="id" type="long" column="id"> 
      <generator class="auto" /> 
     </id> 
     <property name="deptName" column="deptName" /> 
    </class> 
</hibernate-mapping>

セッションファクトリー

public static SessionFactory getSessionFactory() { 
     SessionFactory sessionFactory = null; 
     try { 
      sessionFactory = new Configuration().configure("resources/configuration.cfg.xml") 
        .addResource("resources/Employee.hbm.xml").addResource("resources/Department.hbm.xml") 
        .buildSessionFactory(); 
     } catch (Throwable ex) { 
      throw new ExceptionInInitializerError(ex); 
     } 
     return sessionFactory; 
    }

、最終的には例外

スレッドの例外 com.utility.HibernateUtil.getSessionFactory（HibernateUtil.java:15）で "メイン" java.lang.ExceptionInInitializerErrorで com.client.Client.getTransaction（Client.java:13）at com.client.Client.main（Client.java:32）原因： org.hibernate.boot.InvalidMappingException：マッピングを解析できませんでした文書：resources/Employee.hbm.xml（RESOURCE）at org.hibernate.boot.jaxb.internal.InputStreamXmlSource.doBind（InputStreamXmlSource.java:46） at org.hibernate.boot.jaxb.internal.UrlXmlSource。 doBind org.hibernate.boot.MetadataSources.addResource（MetadataSources.java:274）で org.hibernate.boot.spi.XmlMappingBinderAccess.bind（XmlMappingBinderAccess.java:59）で（UrlXmlSource.java:36）で org.hibernate.cfg.Configuration.addResource（Configuration.java:498） com.utility.HibernateUtil.getSessionFactory（HibernateUtil.java:12） ... 2他に発生したもの：org.hibernate.boot.MappingException： Unlock to pe rformは行番号0と列0でアンマーシャリングします。メッセージ：null：起源（resources/Employee.hbm.xml）： org.hibernate.boot.jaxb.internal.AbstractBinder.jaxb（AbstractBinder.java:177） at org.hibernate.boot.jaxb.internal.MappingBinder.doBind（MappingBinder.java:61）でorg.hibernate.boot.jaxb.internal.AbstractBinder.doBind（AbstractBinder.java:102） org.hibernateで。（JavaBeans）.Bind.jaxb.internal.AbstractBinder.bind（AbstractBinder.java:57） at org.hibernate.boot.jaxb.internal.InputStreamXmlSource.doBind（InputStreamXmlSource.java:43） ... 7より原因：javax。 xml.bind.UnmarshalException - リンク例外あり：[javax.xml 。ストリーム.XMLStreamException：[行、列]でParseError：[10,49]メッセージ： http://www.w3.org/TR/1999/REC-xml-names-19990114#AttributeNotUnique?property&name] com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.handleExceptionException（UnmarshallerImpl.java:470）でcom.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0（UnmarshallerImpl.java:448） com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImplで。 unmarshal（UnmarshallerImpl.java:420） at org.hibernate.boot.jaxb.internal.AbstractBinder.jaxb（AbstractBinder.java:171） ... 11より原因：javax.xml.stream。XMLStreamException：で ParseErrorです[行、列]：[10,49]メッセージ： com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.next（XMLStreamReaderImpl.java:596）で http://www.w3.org/TR/1999/REC-xml-names-19990114#AttributeNotUnique?property&name を時com.sun.xml.internal.stream.XMLEventReaderImpl.peek javax.xml.stream.util.EventReaderDelegate.peek（EventReaderDelegate.java:104）で（XMLEventReaderImpl.java:276） org.hibernate.boot で。 org.hibernでjaxb.internal.stax.BufferedXMLEventReader.peek（BufferedXMLEventReader.java:96）でjavax.xml.stream.util.EventReaderDelegate.peek（EventReaderDelegate.java:104）（StAXEventConnector.java：164） com.sun.xml.internal.bind.v2.runtime.unmarshaller.StAXEventConnector.bridge（StAXEventConnector.java:126） at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0 （UnmarshallerImpl.java:445） ...もっと13

として、私は他のエラーで捕まってしまったそのエラーを解決した後、

Hibernate: 
    alter table employee 
     drop 
     foreign key FKkxx4wtsgsdt16iix2pso0k126 
Sep 27, 2016 3:23:37 PM org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleException 
WARN: GenerationTarget encountered exception accepting command : Unable to execute command [ 
    alter table employee 
     drop 
     foreign key FKkxx4wtsgsdt16iix2pso0k126] 
org.hibernate.tool.schema.spi.CommandAcceptanceException: Unable to execute command [ 
    alter table employee 
     drop 
     foreign key FKkxx4wtsgsdt16iix2pso0k126] 
    at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:63) 
    at org.hibernate.tool.schema.internal.SchemaDropperImpl.applySqlString(SchemaDropperImpl.java:370) 
    at org.hibernate.tool.schema.internal.SchemaDropperImpl.applySqlStrings(SchemaDropperImpl.java:355) 
    at org.hibernate.tool.schema.internal.SchemaDropperImpl.applyConstraintDropping(SchemaDropperImpl.java:327) 
    at org.hibernate.tool.schema.internal.SchemaDropperImpl.dropFromMetadata(SchemaDropperImpl.java:229) 
    at org.hibernate.tool.schema.internal.SchemaDropperImpl.performDrop(SchemaDropperImpl.java:153) 
    at org.hibernate.tool.schema.internal.SchemaDropperImpl.doDrop(SchemaDropperImpl.java:125) 
    at org.hibernate.tool.schema.internal.SchemaDropperImpl.doDrop(SchemaDropperImpl.java:111) 
    at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:137) 
    at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:65) 
    at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:308) 
    at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:483) 
    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:707) 
    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:723) 
    at com.utility.HibernateUtil.getSessionFactory(HibernateUtil.java:13) 
    at com.client.Client.getTransaction(Client.java:13) 
    at com.client.Client.main(Client.java:32) 
Caused by: com.mysql.jdbc.exceptions.MySQLSyntaxErrorException: Table 'hibernate_xml.employee' doesn't exist 
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:936) 
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2985) 
    at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1631) 
    at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1723) 
    at com.mysql.jdbc.Connection.execSQL(Connection.java:3277) 
    at com.mysql.jdbc.Connection.execSQL(Connection.java:3206) 
    at com.mysql.jdbc.Statement.execute(Statement.java:727) 
    at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:51) 
    ... 16 more 

Hibernate: 
    drop table if exists department 
Hibernate: 
    drop table if exists employee 
Hibernate: 
    create table department (
     id bigint not null, 
     deptName varchar(255), 
     primary key (id) 
    ) 
Hibernate: 
    create table employee (
     id bigint not null, 
     firstName varchar(255), 
     salary double precision, 
     department bigint, 
     primary key (id) 
    ) 
Hibernate: 
    alter table employee 
     add constraint FKkxx4wtsgsdt16iix2pso0k126 
     foreign key (department) 
     references department (id) 
Sep 27, 2016 3:23:38 PM org.hibernate.tool.schema.internal.SchemaCreatorImpl applyImportSources 
INFO: HHH000476: Executing import script 'org.hiber[email protected]bd06ca' 
department saved with id : 0 
Hibernate: 
    select 
     max(id) 
    from 
     employee 
employee saved with id 1 
Sep 27, 2016 3:23:39 PM org.hibernate.internal.ExceptionMapperStandardImpl mapManagedFlushFailure 
ERROR: HHH000346: Error during managed flush [org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance beforeQuery flushing: com.domain.Department] 
Exception in thread "main" java.lang.IllegalStateException: org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance beforeQuery flushing: com.domain.Department 
    at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:144) 
    at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:155) 
    at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:162) 
    at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1403) 
    at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:473) 
    at org.hibernate.internal.SessionImpl.flushBeforeTransactionCompletion(SessionImpl.java:3133) 
    at org.hibernate.internal.SessionImpl.beforeTransactionCompletion(SessionImpl.java:2370) 
    at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.beforeTransactionCompletion(JdbcCoordinatorImpl.java:467) 
    at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.beforeCompletionCallback(JdbcResourceLocalTransactionCoordinatorImpl.java:146) 
    at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.access$100(JdbcResourceLocalTransactionCoordinatorImpl.java:38) 
    at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.commit(JdbcResourceLocalTransactionCoordinatorImpl.java:220) 
    at org.hibernate.engine.transaction.internal.TransactionImpl.commit(TransactionImpl.java:68) 
    at com.client.Client.getTransaction(Client.java:27) 
    at com.client.Client.main(Client.java:32) 
Caused by: org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance beforeQuery flushing: com.domain.Department 
    at org.hibernate.engine.internal.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:279) 
    at org.hibernate.type.EntityType.getIdentifier(EntityType.java:462) 
    at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:298) 
    at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:309) 
    at org.hibernate.type.TypeHelper.findDirty(TypeHelper.java:296) 
    at org.hibernate.persister.entity.AbstractEntityPersister.findDirty(AbstractEntityPersister.java:4139) 
    at org.hibernate.event.internal.DefaultFlushEntityEventListener.dirtyCheck(DefaultFlushEntityEventListener.java:528) 
    at org.hibernate.event.internal.DefaultFlushEntityEventListener.isUpdateNecessary(DefaultFlushEntityEventListener.java:215) 
    at org.hibernate.event.internal.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:142) 
    at org.hibernate.event.internal.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:216) 
    at org.hibernate.event.internal.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:85) 
    at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:38) 
    at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1397) 
    ... 10 more

すべてが適切な場合にこのエラーが発生する理由はわかりません。

<property name="firstName" column="firstName"/> 
    <property name="salary" column="firstName" />

：

Employee.hbm.xmlのname属性がすでに（2回/複製使用）が指定されている

出典

2016-09-27 Anonymous

、Employee.hbm.xmlに以下の更新コードを使用してください助けてくださいファイル名はEmployee.xmlの代わりにEmployee.hbm.xmlにする必要があります。これはマッピングファイルであるためです。

はあなたの2番目の例外については、以下のコードを使用する必要があります。コメントを

 <property name="hbm2ddl.auto">update</property>

出典

2016-09-27 09:38:57

おかげで、あなたは気にしないならば、それは –

[OK]を、とのご質問を更新してください...他のエラーに私を導きました他のエラー。 –

私は編集部 –

休止状態：ここで彼らは

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