mybatis异常：nested exception is org.apache.ibatis.builder.BuilderException: Error resolving JdbcType

1. 异常详细

   org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: Error resolving JdbcType. Cause: java.lang.IllegalArgumentException: No enum constant org.apache.ibatis.type.JdbcType.varchar
   	at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73)
   	at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:365)
   	at com.sun.proxy.$Proxy14.selectOne(Unknown Source)
   	at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:160)
   	at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:95)
   	at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:40)
   	at com.sun.proxy.$Proxy15.findByIdCard(Unknown Source)
   	at com.sojson.user.service.impl.UUserServiceImpl.findByIdCard(UUserServiceImpl.java:217)
   	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   	at java.lang.reflect.Method.invoke(Method.java:606)
   	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:302)
   	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
   	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
   	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
   	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
   	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
   	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
   	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
   	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
   	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208)
   	at com.sun.proxy.$Proxy19.findByIdCard(Unknown Source)
   	at com.sojson.pdwy.controller.UserController.save(UserController.java:117)
   	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   	at java.lang.reflect.Method.invoke(Method.java:606)
   	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
   	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)
   	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
   	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:817)
   	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:731)
   	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
   	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)
   	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
   	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:968)
   	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:870)
   	at javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
   	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:844)
   	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
   	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
   	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
   	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
   	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
   	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
   	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
   	at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
   	at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
   	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
   	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
   	at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
   	at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
   	at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
   	at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
   	at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
   	at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
   	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
   	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
   	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
   	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
   	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
   	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121)
   	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
   	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
   	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
   	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
   	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
   	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
   	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
   	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
   	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
   	at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:270)
   	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
   	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
   	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115)
   	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
   	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2549)
   	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2538)
   	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
   	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
   	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
   	at java.lang.Thread.run(Thread.java:745)

2. 引起原因：意思就是没有枚举常量JdbcType.varchar
   

   Caused by: org.apache.ibatis.builder.BuilderException: Error resolving JdbcType. Cause: java.lang.IllegalArgumentException: No enum constant org.apache.ibatis.type.JdbcType.varchar
   	at org.apache.ibatis.builder.BaseBuilder.resolveJdbcType(BaseBuilder.java:67)
   	at org.apache.ibatis.builder.SqlSourceBuilder$ParameterMappingTokenHandler.buildParameterMapping(SqlSourceBuilder.java:94)
   	at org.apache.ibatis.builder.SqlSourceBuilder$ParameterMappingTokenHandler.handleToken(SqlSourceBuilder.java:73)
   	at org.apache.ibatis.parsing.GenericTokenParser.parse(GenericTokenParser.java:40)
   	at org.apache.ibatis.builder.SqlSourceBuilder.parse(SqlSourceBuilder.java:54)
   	at org.apache.ibatis.builder.xml.dynamic.DynamicSqlSource.getBoundSql(DynamicSqlSource.java:40)
   	at org.apache.ibatis.mapping.MappedStatement.getBoundSql(MappedStatement.java:241)
   	at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:71)
   	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:101)
   	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:95)
   	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:59)
   	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   	at java.lang.reflect.Method.invoke(Method.java:606)
   	at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:355)
   	... 81 more
   Caused by: java.lang.IllegalArgumentException: No enum constant org.apache.ibatis.type.JdbcType.varchar
   	at java.lang.Enum.valueOf(Enum.java:236)
   	at org.apache.ibatis.type.JdbcType.valueOf(JdbcType.java:21)
   	at org.apache.ibatis.builder.BaseBuilder.resolveJdbcType(BaseBuilder.java:65)
   	... 96 more
   

   这是配置文件很明显，应该写JdbcType=VARCHAR,问题解决.