hibernate运行报错

5:33:44,381  WARN org.hibernate.cfg.SettingsFactory:126 - Could not obtain connection metadata
java.sql.SQLException: 不支持的特性
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:269)
at oracle.jdbc.dbaccess.DBError.throwUnsupportedFeatureSqlException(DBError.java:689)
at oracle.jdbc.OracleDatabaseMetaData.supportsGetGeneratedKeys(OracleDatabaseMetaData.java:4180)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:123)
at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2119)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2115)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1339)
at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:867)
at TeacherTest.main(TeacherTest.java:19)
15:33:44,933  INFO org.hibernate.tool.hbm2ddl.SchemaExport:226 - Running hbm2ddl schema export
15:33:44,934 DEBUG org.hibernate.tool.hbm2ddl.SchemaExport:242 - import file not found: /import.sql
15:33:44,935  INFO org.hibernate.tool.hbm2ddl.SchemaExport:251 - exporting generated schema to database
15:33:44,937 DEBUG org.hibernate.tool.hbm2ddl.SchemaExport:377 - 
    drop table Teacher cascade constraints
15:33:44,976 DEBUG org.hibernate.tool.hbm2ddl.SchemaExport:377 - 
    drop sequence teacherSEO_DB
15:33:44,994 DEBUG org.hibernate.tool.hbm2ddl.SchemaExport:377 - 
    create table Teacher (
        id number(10,0) not null,
        name varchar2(255 char),
        title varchar2(255 char),
        primary key (id)
    )
15:33:45,021 DEBUG org.hibernate.tool.hbm2ddl.SchemaExport:377 - 
    create sequence teacherSEO_DB
15:33:45,026  INFO org.hibernate.tool.hbm2ddl.SchemaExport:268 - schema export complete
Hibernate: 
    select
        teacherSEO_DB.nextval 
    from
        dual
Hibernate: 
    insert 
    into
        Teacher
        (name, title, id) 
    values
        (?, ?, ?)