问题一: 报错如下: org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save(): com.tt.hibernate.n2n.Item at org.hibernate.id.Assigned.generate(Assigned.java:52) at org.hibernate.event.internal.AbstractS…
1.错误描述 org.hibernate.exception.GenericJDBCException: error executing work at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(Sql…
先看具体日志: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name of URL [jar:-SNAPSHOT.jar!/BOOT-INF/c…
在做mybatis插入的时候报了这个错误,百度了下,貌似是因为这个健没有设置值且不是自增类型的. java.sql.SQLException: Field 'id' doesn't have a default value at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:965) ~[mysql-connector-java-5.1.46.jar:5.1.46] at com.mysql.jdbc.MysqlIO.check…
转自:https://blog.csdn.net/xinghuo0007/article/details/51810867 自增长:java.sql.SQLException: Field 'id' doesn't have a default value 今天用java程序向mysql数据库中进行数据记录的时候,用的id自增长时,报了异常java.sql.SQLException: Field 'id' doesn't have a default value错误,看了一篇博文,决定按他的方法…
1:id 列要设置成自增,自动赋值 java.sql.SQLException: Field 'id' doesn't have a default value at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3593) at com.mysql.jdbc.MysqlIO.checkErrorPacke…
用hibernate进行映射查询时,出现Caused by: java.sql.SQLException: Column 'id' not found 异常,检查数据库表及映射都有id且已经正确映射,google后发现原因为: Your query doesn't return a field named id即查询sql中没有查询出主键id列,但返回结果集中用到,故出现异常特此记录. 详细解答见下: http://stackoverflow.com/questions/34164411/cau…
报错信息: -- ::, INFO [main] org.apache.hadoop.mapred.MapTask: Ignoring exception during close for org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader@7555b920 java.io.IOException: java.sql.SQLException: Protocol violation at org.apache.sqoop.mapred…
系统启动,一段时间不操作,然后在来操作时,报错如下: Caused by: java.sql.SQLException: Couldn't perform the operation getAutoCommit: You can't perform any operations on this connection. It has been automatically closed by Proxool for some reason (see logs). at org.logicalcobw…
1.错误描述 org.hibernate.exception.GenericJDBCException: error executing work at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(Sql…
1.错误描述 [ERROR:]2015-05-05 16:35:50,664 [异常拦截] org.hibernate.exception.GenericJDBCException: error executing work at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54) at org.hibernate.engine.…
1.错误描述 [ERROR:]2015-05-05 15:48:55,847 [异常拦截] org.hibernate.exception.DataException: error executing work at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:135) at org.hibernate.exception.internal.…
错误信息如下: Caused by: java.sql.SQLException: Value '0000-00-00 00:00:00' can not be represented as java.sql.Timestamp 原因如下:是因为数据表中字段类型与对象中的属性类型不一致.比如在我的数据表中是datetime类型,正常来说,对象中应该是Date类型,但是本次在对象中却是String类型. 解决办法:(1)将datetime类型修改为varchar类型,即可解决问题;(2)将Java…
resultset 对象获取行字段数据时报:java.sql.SQLException: Column 'id' not found. 代码: String sql="SELECT d.content,c.name AS categoryName FROM news_detail d,news_category c WHERE d.categoryId=c.id"; Object[] params ={}; System.out.println(this.executeQuery(sq…
