### Error querying database. Cause: java.lang.reflect.UndeclaredThrowableException### The error may exist in class path resource [com/dao/mapper/AdminMapper.xml]### The error may involve defaultParameterMap### The error occurred while setting paramet…
今天在使用mysql数据库查找数据的时候报错,错误信息如下: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'dd' in 'where clause' at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newI…
09:00:30.307 [http-8080-6] ERROR org.hibernate.transaction.JDBCTransaction -JDBC begin failed com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 56,237,340 mi…
本文转自:http://blog.csdn.net/zmzsoftware/article/details/6835604 MySQL第二天早上第一次连接超时报错,解决方法com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link fa…
严重: Servlet.service() for servlet jsp threw exceptioncom.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column '??????' in 'field list' at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.Nati…
Exception in thread "main" com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(3), primary key (ID_))…
Linux环境 Mysql+Hibernate command denied to user 错误 错误信息 如下: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: SELECT command denied to user 'XXX'@'XXX..XXX.XXX' for table 'XXX' 解决问题的方法: 1 可能是权限原因 2 如果权限没有问题,并且是使用hibernate框架的前提下.可能是你的xml映射文件或者…
这两天项目一直在报这个错误消息: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: SELECT command denied to user 'xxxxx'@'xxx.xxx.xxx.xxx' for table 'xxxxxx' at sun.reflect.GeneratedConstructorAccessor54.newInstance(Unknown Source) at sun.reflect.Delegating…
