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INFO:?HHH000232:?Schema?update?complete
Hibernate:?select?max(gid)?from?grade
Hibernate:?select?max(sid)?from?student
Hibernate:?insert?into?grade?(gname,?gdesc,?gid)?values?(?,??,??)
十二月?27,?2016?12:24:42?下午?org.hibernate.engine.jdbc.spi.SqlExceptionHelper?logExceptions
WARN:?SQL?Error:?1366,?SQLState:?HY000
十二月?27,?2016?12:24:42?下午?org.hibernate.engine.jdbc.spi.SqlExceptionHelper?logExceptions
ERROR:?Incorrect?string?value:?'\xE4\xB8\x80\xE7\x8F\xAD'?for?column?'gname'?at?row?1
十二月?27,?2016?12:24:42?下午?org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl?release
INFO:?HHH000010:?On?release?of?batch?it?still?contained?JDBC?statements
Exception?in?thread?"main"?org.hibernate.exception.GenericJDBCException:?could?not?execute?statement
	at?org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54)
	at?org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:126)
	at?org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:112)
	at?org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:190)
	at?org.hibernate.engine.jdbc.batch.internal.NonBatchingBatch.addToBatch(NonBatchingBatch.java:62)
	at?org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3124)
	at?org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3587)
	at?org.hibernate.action.internal.EntityInsertAction.execute(EntityInsertAction.java:103)
	at?org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:453)
	at?org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:345)
	at?org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:350)
	at?org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:56)
	at?org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1218)
	at?org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:421)
	at?org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.beforeTransactionCommit(JdbcTransaction.java:101)
	at?org.hibernate.engine.transaction.spi.AbstractTransactionImpl.commit(AbstractTransactionImpl.java:177)
	at?com.imooc.test.Test.add(Test.java:43)
	at?com.imooc.test.Test.main(Test.java:22)
Caused?by:?java.sql.SQLException:?Incorrect?string?value:?'\xE4\xB8\x80\xE7\x8F\xAD'?for?column?'gname'?at?row?1
	at?com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1078)
	at?com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4120)
	at?com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4052)
	at?com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2503)
	at?com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2664)
	at?com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2815)
	at?com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155)
	at?com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2458)
	at?com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2375)
	at?com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2359)
	at?org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:187)
	...?14?more

慕粉__流川芊月

2016-12-27

源自：Hibernate初探之一對多映射 2-5

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2 回答

慕粉__流川芊月提問者
2016-12-28

是字符串

create?table?grade(
	gid?int?primary?key,
	gname?varchar(20)?not?null,
	gdesc?varchar(50)
);數據庫


Grade?g?=?new?Grade("java一班","java軟件開發一班");
		Student?stu1?=?new?Student("張三","男");
		Student?stu2?=?new?Student("木女神","女");