SpringBoot 集成Mybatis时使用通用插件Mapper 注意事项-白红宇

SpringBoot 集成Mybatis时使用通用插件Mapper 注意事项

阅读量：5009 次

发布时间：2019-06-12

本文共 10785 字，大约阅读时间需要 35 分钟。

1、如果在SpringBoot的启动入口类上面加入注解

@MapperScan(basePackages = "com.leecx.mapper") 使用的是 org.mybatis.spring.annotation.MapperScan;

那么在使用通用Mapper插件的时候会报错信息如下：

1 2018-04-12 17:52:54.195  INFO 6972 --- [nio-8080-exec-4] c.l.controller.MyBatisCRUDController     : 保存用户, 当前时间：Thu Apr 12 17:52:54 CST 2018, 操作人：Jack  2 org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: Error invoking SqlProvider method (tk.mybatis.mapper.provider.base.BaseInsertProvider.dynamicSQL).  Cause: java.lang.InstantiationException: tk.mybatis.mapper.provider.base.BaseInsertProvider  3     at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:77)  4     at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:446)  5     at com.sun.proxy.$Proxy72.insert(Unknown Source)  6     at org.mybatis.spring.SqlSessionTemplate.insert(SqlSessionTemplate.java:278)  7     at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:58)  8     at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59)  9     at com.sun.proxy.$Proxy73.insert(Unknown Source) 10     at com.leecx.service.impl.UserServiceImpl.saveUser(UserServiceImpl.java:23) 11     at com.leecx.controller.MyBatisCRUDController.saveUser(MyBatisCRUDController.java:44) 12     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 13     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 14     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 15     at java.lang.reflect.Method.invoke(Method.java:498) 16     at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) 17     at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) 18     at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) 19     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) 20     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) 21     at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) 22     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) 23     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) 24     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) 25     at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) 26     at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) 27     at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) 28     at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) 29     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) 30     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) 31     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 32     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) 33     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) 34     at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123) 35     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) 36     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) 37     at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) 38     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) 39     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) 40     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) 41     at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:108) 42     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) 43     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) 44     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) 45     at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) 46     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) 47     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) 48     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) 49     at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) 50     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) 51     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) 52     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) 53     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) 54     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) 55     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478) 56     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) 57     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) 58     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) 59     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) 60     at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) 61     at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) 62     at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868) 63     at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459) 64     at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) 65     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 66     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 67     at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) 68     at java.lang.Thread.run(Thread.java:748) 69 Caused by: org.apache.ibatis.builder.BuilderException: Error invoking SqlProvider method (tk.mybatis.mapper.provider.base.BaseInsertProvider.dynamicSQL).  Cause: java.lang.InstantiationException: tk.mybatis.mapper.provider.base.BaseInsertProvider 70     at org.apache.ibatis.builder.annotation.ProviderSqlSource.createSqlSource(ProviderSqlSource.java:134) 71     at org.apache.ibatis.builder.annotation.ProviderSqlSource.getBoundSql(ProviderSqlSource.java:102) 72     at org.apache.ibatis.mapping.MappedStatement.getBoundSql(MappedStatement.java:292) 73     at org.apache.ibatis.executor.statement.BaseStatementHandler.
     
      (BaseStatementHandler.java:64) 74     at org.apache.ibatis.executor.statement.PreparedStatementHandler.
      
       (PreparedStatementHandler.java:40) 75     at org.apache.ibatis.executor.statement.RoutingStatementHandler.
       
        (RoutingStatementHandler.java:46) 76     at org.apache.ibatis.session.Configuration.newStatementHandler(Configuration.java:558) 77     at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:48) 78     at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117) 79     at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:76) 80     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 81     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 82     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 83     at java.lang.reflect.Method.invoke(Method.java:498) 84     at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63) 85     at com.sun.proxy.$Proxy90.update(Unknown Source) 86     at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:198) 87     at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:185) 88     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 89     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 90     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 91     at java.lang.reflect.Method.invoke(Method.java:498) 92     at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) 93     ... 64 more 94 Caused by: java.lang.InstantiationException: tk.mybatis.mapper.provider.base.BaseInsertProvider 95     at java.lang.Class.newInstance(Class.java:427) 96     at org.apache.ibatis.builder.annotation.ProviderSqlSource.invokeProviderMethod(ProviderSqlSource.java:165) 97     at org.apache.ibatis.builder.annotation.ProviderSqlSource.createSqlSource(ProviderSqlSource.java:116) 98     ... 86 more 99 Caused by: java.lang.NoSuchMethodException: tk.mybatis.mapper.provider.base.BaseInsertProvider.
        
         ()100     at java.lang.Class.getConstructor0(Class.java:3082)101     at java.lang.Class.newInstance(Class.java:412)102     ... 88 more103 2018-04-12 17:52:54.201  WARN 6972 --- [nio-8080-exec-4] .m.m.a.ExceptionHandlerExceptionResolver : Resolved exception caused by Handler execution: org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: Error invoking SqlProvider method (tk.mybatis.mapper.provider.base.BaseInsertProvider.dynamicSQL).  Cause: java.lang.InstantiationException: tk.mybatis.mapper.provider.base.BaseInsertProvider