Exception in thread "restartedMain" java.lang.reflect.InvocationTargetExceptionat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(Na...

h2数据库不支持多连接，项目和工具同时连接会产生冲突，点击红色小方块，之后重新启动项目即可解决

javax.management.InstanceNotFoundException: org.springframework.boot:type=Admin,name=SpringApplicationjavax.management.InstanceNotFoundException: org.springframework.boot:type=Admin,name=SpringAp...

先贴图先说说我的具体排查思路1.先看看数据库类型和实体类类型是否一致2.是否忘了加注解3.检查配置文件的数据源配置和mybatis配置4.换个数据源5.写单元测试类绕过service层6.看pom文件的resource注解配置的mapper路径是否正确，xml配置文件路径是否和mapper接口类路径一致7.看xml配置文件中的mapper路径是否写错8.检查p...

异常如下:java.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.Integerat org.apache.ibatis.type.IntegerTypeHandler.setNonNullParameter(IntegerTypeHandler.java:26) ~[mybatis-3....

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.2019-11-16 20:30:21.538 ERROR 18740 --- [ restartedMain] o.s.boot.SpringApplication ...

加上@Service注解即可解决调用的时候加上@Autowired注解代码如下:package com.nice.interceptor;import com.nice.mapper.UserMapper;import com.nice.model.User;import org.springframework.beans.factory.annotation.A...

异常信息如下:org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'questionTypeImportConfig' defined in file [J:\ideapro\nice-bbs\nice-bbs-client\target\classes\..

直接把@RequestParam注解去掉即可解决

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'brandServiceImpl': Injection of autowired dependencies failed; nested exception is org.springframework.beans.fac