SpringBoot uses MyBatis error: Error invoking SqlProvider method (tk.mybatis.mapper.provider.base.BaseInsertProvider.dynamicSQL)

1. Error description

  Use SpringBoot to integrate the MyBatis framework, and use mapper-spring-boot-starter to automatically generate MyBatis mapper files, and use mybatis-generator-core to generate MyBatis mapping files.

  SpringBoot version: 2.0.0.RELEASE

  mybatis-spring-boot-starter version: 1.3.2

  mapper-spring-boot-starter version: 1.2.4

  mybatis-generator-core version: 1.3.6

2. Error message

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
    at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java: 77 )
    at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java: 446 )
    at com.sun.proxy.$Proxy79.insert(Unknown Source)
    at org.mybatis.spring.SqlSessionTemplate.insert(SqlSessionTemplate.java: 278 )
    at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java: 58 )
    at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java: 59 )
    at com.sun.proxy.$Proxy80.insert(Unknown Source)
    at com.imooc.sevice.impl.SysUserServiceImpl.saveUser(SysUserServiceImpl.java: 19 )
    at com.imooc.controller.SysUserController.saveUser(SysUserController.java: 35 )
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: 62 )
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: 43 )
    at java.lang.reflect.Method.invoke(Method.java: 498 )
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java: 209 )
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java: 136 )
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java: 102 )
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java: 870 )
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java: 776 )
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java: 87 )
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java: 991 )
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java: 925 )
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java: 978 )
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java: 881 )
    at javax.servlet.http.HttpServlet.service(HttpServlet.java: 661 )
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java: 855 )
    at javax.servlet.http.HttpServlet.service(HttpServlet.java: 742 )
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java: 231 )
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java: 166 )
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java: 52 )
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java: 193 )
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java: 166 )
    at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java: 123 )
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java: 193 )
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java: 166 )
    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java: 99 )
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java: 107 )
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java: 193 )
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java: 166 )
    at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java: 109 )
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java: 107 )
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java: 193 )
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java: 166 )
    at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java: 81 )
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java: 107 )
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java: 193 )
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java: 166 )
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java: 200 )
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java: 107 )
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java: 193 )
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java: 166 )
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java: 199 )
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java: 96 )
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java: 496 )
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java: 140 )
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java: 81 )
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java: 87 )
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java: 342 )
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java: 803 )
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java: 66 )
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java: 790 )
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java: 1459 )
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java: 49 )
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java: 1149 )
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java: 624 )
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java: 61 )
    at java.lang.Thread.run(Thread.java: 748 )
Caused by: org.apache.ibatis.builder.BuilderException: Error invoking SqlProvider method (tk.mybatis.mapper.provider.base.BaseInsertProvider.dynamicSQL). Cause: java.lang.InstantiationException: tk.mybatis.mapper.provider.base .BaseInsertProvider
    at org.apache.ibatis.builder.annotation.ProviderSqlSource.createSqlSource(ProviderSqlSource.java: 134 )
    at org.apache.ibatis.builder.annotation.ProviderSqlSource.getBoundSql(ProviderSqlSource.java: 102 )
    at org.apache.ibatis.mapping.MappedStatement.getBoundSql(MappedStatement.java: 292 )
    at org.apache.ibatis.executor.statement.BaseStatementHandler. <init>(BaseStatementHandler.java:64 )
    at org.apache.ibatis.executor.statement.PreparedStatementHandler. <init>(PreparedStatementHandler.java:40 )
    at org.apache.ibatis.executor.statement.RoutingStatementHandler. <init>(RoutingStatementHandler.java:46 )
    at org.apache.ibatis.session.Configuration.newStatementHandler(Configuration.java: 558 )
    at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java: 48 )
    at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java: 117 )
    at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java: 76 )
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: 62 )
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: 43 )
    at java.lang.reflect.Method.invoke(Method.java: 498 )
    at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java: 63 )
    at com.sun.proxy.$Proxy95.update(Unknown Source)
    at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java: 198 )
    at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java: 185 )
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: 62 )
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: 43 )
    at java.lang.reflect.Method.invoke(Method.java: 498 )
    at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java: 433 )
    ... 64 more
Caused by: java.lang.InstantiationException: tk.mybatis.mapper.provider.base.BaseInsertProvider
    at java.lang.Class.newInstance(Class.java: 427 )
    at org.apache.ibatis.builder.annotation.ProviderSqlSource.invokeProviderMethod(ProviderSqlSource.java: 165 )
    at org.apache.ibatis.builder.annotation.ProviderSqlSource.createSqlSource(ProviderSqlSource.java: 116 )
    ... 86 more
Caused by: java.lang.NoSuchMethodException: tk.mybatis.mapper.provider.base.BaseInsertProvider. <init> ()
    at java.lang.Class.getConstructor0(Class.java: 3082 )
    at java.lang.Class.newInstance(Class.java: 412 )
    ... 88 more

3. Problem

  On the startup class of SpringBoot, the wrong package was introduced when using @MapperScan annotation.

  The correct one should be: import tk.mybatis.spring.annotation.MapperScan;

  Wrongly introduced: import org.mybatis.spring.annotation.MapperScan;


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