java.lang.NoSuchMethodException: tk.mybatis.mapper.provider.base.BaseSelectProvider.<init>()

背景：项目启动没有问题，但是访问数据库报错。

2019-01-21 17:42:44.677 ERROR 2966 --- [nio-8037-exec-2] o.a.c.c.C.[.[.[.[dispatcherServlet]      : Servlet.service() for servlet [dispatcherServlet] in context with path [/micro-order] threw exception [Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: Error invoking SqlProvider method (tk.mybatis.mapper.provider.base.BaseSelectProvider.dynamicSQL).  Cause: java.lang.InstantiationException: tk.mybatis.mapper.provider.base.BaseSelectProvider] with root cause

java.lang.NoSuchMethodException: tk.mybatis.mapper.provider.base.BaseSelectProvider.<init>()
    at java.lang.Class.getConstructor0(Class.java:3082) ~[na:1.8.0_171]
    at java.lang.Class.newInstance(Class.java:412) ~[na:1.8.0_171]
    at org.apache.ibatis.builder.annotation.ProviderSqlSource.createSqlSource(ProviderSqlSource.java:117) ~[mybatis-3.4.5.jar:3.4.5]

解决方式：@MapperScan导入包错误，将import org.mybatis.spring.annotation.MapperScan 改成import tk.mybatis.spring.annotation.MapperScan;

@MapperScan(basePackages = "cn.com.autohome.finance.dao")
public class MicroInsuranceOrderServiceApplication {

   public static void main(String[] args) {
      setApolloEnv();
      SpringApplication.run(MicroInsuranceOrderServiceApplication.class, args);
   }
}

转载于:https://my.oschina.net/u/2610056/blog/3004151