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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初探之一对多映射 2-5

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2 回答

慕粉__流川芊月提问者
2016-12-28

是字符串

create table grade(
	gid int primary key,
	gname varchar(20) not null,
	gdesc varchar(50)
);数据库


Grade g = new Grade("java一班","java软件开发一班");
		Student stu1 = new Student("张三","男");
		Student stu2 = new Student("木女神","女");