刚学用annotation写hibernate，出有关问题啦。

@Entity@Table(name = "TBUSER")@GenericGenerator(name = "user_increment", strategy = "increment")public class User {    private int id;    @Id    @Column(name = "UID")    @GeneratedValue(generator = "user_increment")    public int getId() {        return id;    }    public void setId(int id) {        this.id = id;    }}

public static void main(String[] args) {        // TODO Auto-generated method stub        Session session = HibernateSessionFactory.getSession();        session.beginTransaction();        User u = new User();        session.save(u);        session.getTransaction().commit();        session.close();    }

log4j:WARN No appenders could be found for logger (org.hibernate.cfg.annotations.Version).log4j:WARN Please initialize the log4j system properly.Hibernate:     select        max(UID)     from        TBUSERHibernate:     insert     into        TBUSER        (UID)     values        (?)Exception in thread "main" org.hibernate.exception.SQLGrammarException: Could not execute JDBC batch update    at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:90)    at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)    at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:275)    at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:266)    at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:167)    at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321)    at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50)    at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1028)    at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:366)    at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:137)    at com.hib.entity.Test.main(Test.java:18)Caused by: java.sql.BatchUpdateException: ORA-00928: 缺失 SELECT 关键字    at oracle.jdbc.driver.OraclePreparedStatement.executeBatch(OraclePreparedStatement.java:10070)    at oracle.jdbc.driver.OracleStatementWrapper.executeBatch(OracleStatementWrapper.java:213)    at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:70)    at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:268)    ... 8 more