hibernate手写XML问题~~!

Question

错误：Unknown entity: com.pojos.Men没有找到你的实体类。hibernate.cfg.xml中是否有<mapping resource=这个元素。

Answer 1

忘记加了. 
    谢谢. 不过. 我加了之后还是出现,以下异常!!!!
-----------------------------------------------
log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).
log4j:WARN Please initialize the log4j system properly.
Hibernate: insert into man (mname) values (?)
org.hibernate.exception.SQLGrammarException: could not insert: [com.pojos.Men]
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:67)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:1986)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2405)
at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:37)
at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:248)
at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:269)
at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:167)
at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:101)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:186)
at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:175)
at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:530)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:518)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:514)
at com.test.Test.insertMen(Test.java:17)
at com.test.Test.main(Test.java:31)
Caused by: com.mysql.jdbc.exceptions.MySQLSyntaxErrorException: Table 'many2many.man' doesn't exist
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:936)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2822)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1536)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1626)
at com.mysql.jdbc.Connection.execSQL(Connection.java:3031)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:943)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1184)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1101)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1086)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:1968)
... 16 more

Answer 2

我也遇到过楼主所说的问题，，，，楼主注意一下自己的目录结构，，看看classes下是否有这个实体类的.class文件不知道楼主用的什么开发工具。如果是开发B/S请看看WEB-INF下的classes目录

Answer 3

终于解决了.  还是要多手写点. 好不熟哦. 不是丢了这里就是丢了那里~~!!
   我丢了几个地方:
      1,women.hbm.xml中的<class ...>里面忘记写<generator class ="native"/>
      2,wen的表名改成men就可以了.这点太粗心了~~!
     哎. 还是谢谢大家~~~!