Spring Boot整合Mybatis时一直报错 后来发现原来主配置类上的MapperScan导错了包 由于我使用了通用Mapper,所以应该导入通用mapper这个包…

spring boot中连接数据库报错500(mybatis) pom.xml中的依赖 <!-- 集成mybatis--> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>2.1.3</version> </depend…

前段时间看到群里有吐槽swagger整合问题,当时没仔细看,总以为是姿势不对. 这两天正好自己升级Spring Boot版本,然后突然出现了这样的一个错误: Caused by: java.lang.NullPointerException: Cannot invoke "org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getPatterns()" because "this.con…

org.springframework.kafka.support.LoggingProducerListener- Exception thrown when sending a message with key='null' and payload='{"dataDts":["20180329","20180328","20180327","20180326","20180323"]…

spring+hibernate整合:报错信息如下 org.hibernate.HibernateException: No Session found for current thread at org.springframework.orm.hibernate4.SpringSessionContext.currentSession(SpringSessionContext.java:106) at org.hibernate.internal.SessionFactoryImpl.getC…

spring  boot 启动遇到报错,具体如下 Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured. Reason: Failed to determine a suitable driver class Action: Consider the following: If you want a…

今天在集成Mapper时 出现如下错误 java.lang.NoSuchMethodException: tk.mybatis.mapper.provider.base.BaseSelectProvider.<init>() 遇到这个异常通常是@MapperScan配置的原因,导包导错了 解决方案:将红框里的换成  import tk.mybatis.spring.annotation.MapperScan; 重新运行,问题解决…

2019-08-06 12:42:03.153 ERROR 10080 --- [nio-8080-exec-1] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.mybatis.sp…

1.Spring boot,Mybatis 启动报错 Failed to auto-configure a DataSource *************************** APPLICATION FAILED TO START *************************** Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datas…

基本的错误信息如下: 2018-03-05 at 15:12:03 CST ERROR org.apache.juli.logging.DirectJDKLog 181 log - Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.w…