tomcat启动时报错，说列名不存在，但是在表中有这个字段，而且bean中也存在的。

org.springframework.beans.factory.BeanCreationException: Error creating bean with name “”mySecurityMetadataSource””: Invocation of init method failed; nested exception is org.springframework.jdbc.BadSqlGrammarException: 
### Error querying database.  Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column “”a.id”” in “”field list””
### The error may exist in com/xy/pos/core/mapper/ResourcesMapper.java (best guess)
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### SQL: select a.id as id,a.menthod as menthod,a.menuKey as menuKey,a.menuName as menuName,a.sort as sort,a.url as resUrl,a.urlType as urlType,b.id as parentResources_id ,b.menuName as parentName from resources aleft join resources b ON a.parentResources_id=b.id
### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column “”a.id”” in “”field list””
; bad SQL grammar []; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column “”a.id”” in “”field list””
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:135) ~[org.springframework.beans-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:394) ~[org.springframework.beans-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1448) ~[org.springframework.beans-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519) ~[org.springframework.beans-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456) ~[org.springframework.beans-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294) ~[org.springframework.beans-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225) ~[org.springframework.beans-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291) ~[org.springframework.beans-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) ~[org.springframework.beans-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:609) ~[org.springframework.beans-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) ~[org.springframework.context-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:469) ~[org.springframework.context-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:383) ~[org.springframework.web-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:283) ~[org.springframework.web-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:111) [org.springframework.web-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4887) [catalina.jar:7.0.39]
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5381) [catalina.jar:7.0.39]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [catalina.jar:7.0.39]
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901) [catalina.jar:7.0.39]
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877) [catalina.jar:7.0.39]
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633) [catalina.jar:7.0.39]
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:657) [catalina.jar:7.0.39]
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1637) [catalina.jar:7.0.39]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_15]
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) [na:1.7.0_15]
at java.util.concurrent.FutureTask.run(FutureTask.java:166) [na:1.7.0_15]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_15]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_15]
at java.lang.Thread.run(Thread.java:722) [na:1.7.0_15]