Mouth_OF_Lie的博客

总结，再出现这种问题，去查看配置文件的格式是否正确就能解决。出现上面的问题，就是。

ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.7.0:compile (default-compile) on project demo: Fatal error compiling: 无效的目标发行版: 1.8.0_321 -> [Help 1]

org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.lang.RuntimeException: 在系统中发现了多个分页插件，请检查系统配置!### Cause: java.lang.RuntimeException: 在系统中发现了多个分页插件.

1、@Component注解表明一个类会作为组件类，并告知Spring要为这个类创建bean。@Component //用在类上，告诉这个类交给spring管理public class Student { private String name; public String getName() { return name; } public void setName(String name) { this.name = name;

这个问题的解决：先看问题***************************APPLICATION FAILED TO START***************************Description:A component required a bean of type 'com.gao.spting_test.dao.GoodsTypeDao' that could not be found.Action:Consider defining a bean of type

***************************APPLICATION FAILED TO START***************************Description:Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.Reason: Failed to determine a suitable dr