springnestedexception报错

spring mvc 报nested exception is java.lan?报错

在使用spring mvc注解时，使用JdbcTemplate操作数据老是报错，这是在起服务的时候就报的错 Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: 'dataSource' or 'jdbcTemplate' is required x哥...

mybatis报错：org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exception

接口配置： package mybatis.mapper; import java.util.List; public interface TestMapper { public List<String> selectAllInfo(); } mapper.xml配置： <?xml version="1.0" encoding="UTF-8"?> <!D...