com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException解决

 com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'last_login_time' in 'field list'

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_101]

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_101]

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_101]

at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_101]

at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) ~[mysql-connector-java-5.1.39.jar:5.1.39]

at com.mysql.jdbc.Util.getInstance(Util.java:387) ~[mysql-connector-java-5.1.39.jar:5.1.39]

at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:942) ~[mysql-connector-java-5.1.39.jar:5.1.39]

at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3966) ~[mysql-connector-java-5.1.39.jar:5.1.39]

at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3902) ~[mysql-connector-java-5.1.39.jar:5.1.39]

at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2526) ~[mysql-connector-java-5.1.39.jar:5.1.39]

at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2673) ~[mysql-connector-java-5.1.39.jar:5.1.39]

at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2549) ~[mysql-connector-java-5.1.39.jar:5.1.39]

at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) ~[mysql-connector-java-5.1.39.jar:5.1.39]

at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1192) ~[mysql-connector-java-5.1.39.jar:5.1.39]

at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_execute(FilterChainImpl.java:3051) ~[druid-1.1.1.jar:1.1.1]

at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_execute(FilterEventAdapter.java:440) ~[druid-1.1.1.jar:1.1.1]

at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_execute(FilterChainImpl.java:3049) ~[druid-1.1.1.jar:1.1.1]

at com.alibaba.druid.proxy.jdbc.PreparedStatementProxyImpl.execute(PreparedStatementProxyImpl.java:168) ~[druid-1.1.1.jar:1.1.1]

at com.alibaba.druid.pool.DruidPooledPreparedStatement.execute(DruidPooledPreparedStatement.java:494) ~[druid-1.1.1.jar:1.1.1]

at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:63) ~[mybatis-3.4.4.jar:3.4.4]

at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:79) ~[mybatis-3.4.4.jar:3.4.4]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_101]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_101]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_101]

at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_101]

at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63) ~[mybatis-3.4.4.jar:3.4.4]

at com.sun.proxy.$Proxy115.query(Unknown Source) ~[?:?]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_101]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_101]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_101]

at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_101]

at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49) ~[mybatis-3.4.4.jar:3.4.4]

at com.baomidou.mybatisplus.plugins.PerformanceInterceptor.intercept(PerformanceInterceptor.java:123) ~[mybatis-plus-2.1-gamma.jar:?]

at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61) ~[mybatis-3.4.4.jar:3.4.4]

at com.sun.proxy.$Proxy115.query(Unknown Source) ~[?:?]

at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:63) ~[mybatis-3.4.4.jar:3.4.4]

at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324) ~[mybatis-3.4.4.jar:3.4.4]

at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) ~[mybatis-3.4.4.jar:3.4.4]

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) ~[mybatis-3.4.4.jar:3.4.4]

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83) ~[mybatis-3.4.4.jar:3.4.4]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_101]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_101]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_101]

at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_101]

at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63) ~[mybatis-3.4.4.jar:3.4.4]

at com.sun.proxy.$Proxy114.query(Unknown Source) ~[?:?]

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148) ~[mybatis-3.4.4.jar:3.4.4]

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141) ~[mybatis-3.4.4.jar:3.4.4]

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:77) ~[mybatis-3.4.4.jar:3.4.4]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_101]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_101]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_101]

at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_101]

at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) ~[mybatis-spring-1.3.1.jar:1.3.1]

at com.sun.proxy.$Proxy52.selectOne(Unknown Source) ~[?:?]

at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:166) ~[mybatis-spring-1.3.1.jar:1.3.1]

at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:82) ~[mybatis-3.4.4.jar:3.4.4]

at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59) ~[mybatis-3.4.4.jar:3.4.4]

at com.sun.proxy.$Proxy56.selectById(Unknown Source) ~[?:?]

at com.ds.core.base.BaseService.queryById(BaseService.java:350) ~[classes/:?]

at com.ds.core.base.BaseService.queryById(BaseService.java:334) ~[classes/:?]

at com.ds.core.base.BaseService$$FastClassBySpringCGLIB$$2177fd04.invoke(<generated>) ~[classes/:?]

at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-5.0.0.M5.jar:5.0.0.M5]

at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:646) ~[spring-aop-5.0.0.M5.jar:5.0.0.M5]

at com.ds.service.UserService$$EnhancerBySpringCGLIB$$cda8cc9e.queryById(<generated>) ~[classes/:?]

at com.ds.controller.view.BlogView.blog(BlogView.java:41) ~[classes/:?]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_101]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_101]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_101]

at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_101]

at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-5.0.0.M5.jar:5.0.0.M5]

at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) ~[spring-web-5.0.0.M5.jar:5.0.0.M5]

at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:116) ~[spring-webmvc-5.0.0.M5.jar:5.0.0.M5]

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:826) ~[spring-webmvc-5.0.0.M5.jar:5.0.0.M5]

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:737) ~[spring-webmvc-5.0.0.M5.jar:5.0.0.M5]

at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-5.0.0.M5.jar:5.0.0.M5]

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963) ~[spring-webmvc-5.0.0.M5.jar:5.0.0.M5]

at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897) ~[spring-webmvc-5.0.0.M5.jar:5.0.0.M5]

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:964) ~[spring-webmvc-5.0.0.M5.jar:5.0.0.M5]

... 58 more

 

使用mybatis执行某条语句时报错，内容如上。

 

原因：

数据库改了一个字段，导致原来的SQL不能用了

此异常为SQL错误，把SQL拷贝到数据库中执行，即可找到错误！