FAQ（72）：### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException:

2018年8月31日15:44:47

1、日志

### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'roleId' in 'field list'
; bad SQL grammar []; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'roleId' in 'field list'
	at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:233)
	at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:72)
	at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:71)
	at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:365)
	at com.sun.proxy.$Proxy7.selectList(Unknown Source)
	at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:195)
	at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:124)
	at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:90)
	at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:40)
	at com.sun.proxy.$Proxy13.selectByExample(Unknown Source)
	at com.xs.fun.admin.sql.dao.RechargeOrderDao.getByBetweenTimeOrInPackageIdsOrInChannelIds(RechargeOrderDao.java:154)
	at com.xs.fun.admin.action.RechargeAction.getRechargeList(RechargeAction.java:159)
	... 29 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'roleId' in 'field list'
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.Util.getInstance(Util.java:382)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1052)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3603)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3535)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1989)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2150)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2626)
	at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2119)
	at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1362)
	at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.execute(NewProxyPreparedStatement.java:989)
	at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:56)
	at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:70)
	at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:57)
	at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:267)
	at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:141)
	at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:105)
	at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:81)
	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:101)
	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:95)
	at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:355)
	... 37 more

2、解决方法

如log所示，这是由于数据库表不存在该字段，所以出现异常；后来跟管理数据库的同事沟通，确实是他那边没提供最新的数据表，更新表后，问题解决。

 

3、经验

对于可能出现的配置的问题或者数据库表的问题，千万及时反馈，和同事交流；切勿一根筋在代码上面找问题。