Mybatis-Plus一个新的报错：数据库表名与SQL的关键字冲突！！！

老规矩先上报错信息：

2021-08-27 19:18:19.510 ERROR 33476 --- [nio-9000-exec-7] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:
### Error querying database.  Cause: com.baomidou.mybatisplus.core.exceptions.MybatisPlusException: Error: Method queryTotal execution error.
### The error may exist in com/neu/edu/cloudfactoryplus/dao/OrderMapper.java (best guess)
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### Cause: com.baomidou.mybatisplus.core.exceptions.MybatisPlusException: Error: Method queryTotal execution error.] with root causejava.sql.SQLSyntaxErrorException: 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 'order  WHERE  deleted=0AND o_name LIKE '%%' ) TOTAL' at line 1at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:120) ~[mysql-connector-java-8.0.26.jar:8.0.26]at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) ~[mysql-connector-java-8.0.26.jar:8.0.26]at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:953) ~[mysql-connector-java-8.0.26.jar:8.0.26]at com.mysql.cj.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:1003) ~[mysql-connector-java-8.0.26.jar:8.0.26]at com.zaxxer.hikari.pool.ProxyPreparedStatement.executeQuery(ProxyPreparedStatement.java:52) ~[HikariCP-4.0.3.jar:na]at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeQuery(HikariProxyPreparedStatement.java) ~[HikariCP-4.0.3.jar:na]at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_302]at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_302]at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_302]at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_302]at org.apache.ibatis.logging.jdbc.PreparedStatementLogger.invoke(PreparedStatementLogger.java:56) ~[mybatis-3.4.6.jar:3.4.6]at com.sun.proxy.$Proxy113.executeQuery(Unknown Source) ~[na:na]at com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor.queryTotal(PaginationInterceptor.java:199) ~[mybatis-plus-extension-3.0.5.jar:na]at com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor.intercept(PaginationInterceptor.java:168) ~[mybatis-plus-extension-3.0.5.jar:na]at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61) ~[mybatis-3.4.6.jar:3.4.6]at com.sun.proxy.$Proxy112.prepare(Unknown Source) ~[na:na]at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_302]at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_302]at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_302]at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_302]at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63) ~[mybatis-3.4.6.jar:3.4.6]at com.sun.proxy.$Proxy112.prepare(Unknown Source) ~[na:na]at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:85) ~[mybatis-3.4.6.jar:3.4.6]at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62) ~[mybatis-3.4.6.jar:3.4.6]at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:326) ~[mybatis-3.4.6.jar:3.4.6]at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) ~[mybatis-3.4.6.jar:3.4.6]at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) ~[mybatis-3.4.6.jar:3.4.6]at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83) ~[mybatis-3.4.6.jar:3.4.6]at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_302]at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_302]at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_302]at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_302]at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63) ~[mybatis-3.4.6.jar:3.4.6]at com.sun.proxy.$Proxy111.query(Unknown Source) ~[na:na]at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148) ~[mybatis-3.4.6.jar:3.4.6]at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141) ~[mybatis-3.4.6.jar:3.4.6]at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_302]at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_302]at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_302]at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_302]at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) ~[mybatis-spring-1.3.2.jar:1.3.2]at com.sun.proxy.$Proxy66.selectList(Unknown Source) ~[na:na]at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:230) ~[mybatis-spring-1.3.2.jar:1.3.2]at com.baomidou.mybatisplus.core.override.PageMapperMethod.executeForMany2(PageMapperMethod.java:128) ~[mybatis-plus-core-3.0.5.jar:na]at com.baomidou.mybatisplus.core.override.PageMapperMethod.execute(PageMapperMethod.java:98) ~[mybatis-plus-core-3.0.5.jar:na]at com.baomidou.mybatisplus.core.override.PageMapperProxy.invoke(PageMapperProxy.java:64) ~[mybatis-plus-core-3.0.5.jar:na]at com.sun.proxy.$Proxy79.selectPage(Unknown Source) ~[na:na]at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_302]at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_302]at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_302]at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_302]at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) ~[spring-aop-5.3.9.jar:5.3.9]at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198) ~[spring-aop-5.3.9.jar:5.3.9]at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.3.9.jar:5.3.9]at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137) ~[spring-tx-5.3.9.jar:5.3.9]at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.9.jar:5.3.9]at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215) ~[spring-aop-5.3.9.jar:5.3.9]at com.sun.proxy.$Proxy80.selectPage(Unknown Source) ~[na:na]at com.neu.edu.cloudfactoryplus.controller.OrderController.getOrderList(OrderController.java:63) ~[classes/:na]at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_302]at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_302]at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_302]at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_302]at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:197) ~[spring-web-5.3.9.jar:5.3.9]at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:141) ~[spring-web-5.3.9.jar:5.3.9]at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106) ~[spring-webmvc-5.3.9.jar:5.3.9]at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895) ~[spring-webmvc-5.3.9.jar:5.3.9]at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808) ~[spring-webmvc-5.3.9.jar:5.3.9]at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.3.9.jar:5.3.9]at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1064) ~[spring-webmvc-5.3.9.jar:5.3.9]at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963) ~[spring-webmvc-5.3.9.jar:5.3.9]at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.9.jar:5.3.9]at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) ~[spring-webmvc-5.3.9.jar:5.3.9]at javax.servlet.http.HttpServlet.service(HttpServlet.java:655) ~[tomcat-embed-core-9.0.50.jar:4.0.FR]at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.9.jar:5.3.9]at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) ~[tomcat-embed-core-9.0.50.jar:4.0.FR]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:228) ~[tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163) ~[tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.50.jar:9.0.50]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) ~[tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163) ~[tomcat-embed-core-9.0.50.jar:9.0.50]at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.9.jar:5.3.9]at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.9.jar:5.3.9]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) ~[tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163) ~[tomcat-embed-core-9.0.50.jar:9.0.50]at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.9.jar:5.3.9]at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.9.jar:5.3.9]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) ~[tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163) ~[tomcat-embed-core-9.0.50.jar:9.0.50]at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.9.jar:5.3.9]at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.9.jar:5.3.9]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) ~[tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163) ~[tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) ~[tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) [tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) [tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) [tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) [tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) [tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382) [tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) [tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893) [tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1723) [tomcat-embed-core-9.0.50.jar:9.0.50]at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.50.jar:9.0.50]at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_302]at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_302]at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.50.jar:9.0.50]at java.lang.Thread.run(Thread.java:748) [na:1.8.0_302]

真是好长一串，在这么长的报错信息中我们提取一下有用的信息：

ERROR 33476 — [nio-9000-exec-7] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:

这是Spring报错的部分，这句话的大概意思是映射出了问题，那么映射的几个常见问题是：

controller层没有加@RestController
Service层实现类未添加注解@Autowired
@RestController使用成了@Controller
Mapper文件上的@Repository
还有就是实体类与传来的参数不符，比如：由于实体类中type是string类型，而mapper文件中却把type当成数字进行了判断，字符串是不能进行！= 0

但是经过与其他的类仔细比对，发现以上的问题并没有出现，那么就该往下看看报错信息了

Error querying database. Cause: com.baomidou.mybatisplus.core.exceptions.MybatisPlusException: Error: Method queryTotal execution error.

The error may exist in com/neu/edu/cloudfactoryplus/dao/OrderMapper.java (best guess)

The error may involve defaultParameterMap

The error occurred while setting parameters

Cause: com.baomidou.mybatisplus.core.exceptions.MybatisPlusException: Error: Method queryTotal execution error.] with root cause

这个应该是Mybatis-Plus的报错信息，是根据SQL的错误报错的，大概意思是说告诉你也许大概可能差不多在com/neu/edu/cloudfactoryplus/dao/OrderMapper.java 这里出现了问题，这个很明显是这个类出的问题吗（写到这里程序不对了，肯定是这里啊）。但是人家也说了《(best guess)》最大的猜测是这里，具体是哪不清楚，这么草率的报错上次遇到还是在数据库中的存储过程中。。。。。

java.sql.SQLSyntaxErrorException: 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 'order WHERE deleted=0

就剩这么一个看的报错了，也正是这句话暴露了错误的所在！！！

报错信息提示：我的SQl语法有错误！？？？这不是Mybatis-Plus自动生成的SQL语句吗？还能语法出错？往后看，错误出现在《order where deleted=0》附近。后面是逻辑删除，where是关键字，那就生一个Order了？

这个时候我灵光一闪，这个order不会是关键字吧？是关键字的话，查询条件就肯定不对了，我赶紧上网一查，果然。。。。

这是所有SQL的关键字，也是感谢这位老哥的分享！！！！

所以大家以后起表名悠着一点吧！！！点个赞（＾▽＾）

Mybatis-Plus一个新的报错：数据库表名与SQL的关键字冲突！！！相关推荐

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Mybatis-Plus一个新的报错：数据库表名与SQL的关键字冲突！！！

Mybatis-Plus一个新的报错：数据库表名与SQL的关键字冲突！！！

老规矩先上报错信息：

真是好长一串，在这么长的报错信息中我们提取一下有用的信息：

这是Spring报错的部分，这句话的大概意思是映射出了问题，那么映射的几个常见问题是：

但是经过与其他的类仔细比对，发现以上的问题并没有出现，那么就该往下看看报错信息了

就剩这么一个看的报错了，也正是这句话暴露了错误的所在！！！

报错信息提示：我的SQl语法有错误！？？？这不是Mybatis-Plus自动生成的SQL语句吗？还能语法出错？往后看，错误出现在《order where deleted=0》附近。后面是逻辑删除，where是关键字，那就生一个Order了？

这个时候我灵光一闪，这个order不会是关键字吧？是关键字的话，查询条件就肯定不对了，我赶紧上网一查，果然。。。。

所以大家以后起表名悠着一点吧！！！点个赞（＾▽＾）

Mybatis-Plus一个新的报错：数据库表名与SQL的关键字冲突！！！相关推荐

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