报错原因：maven的配置文件不是最新的解决方案：在eclipse中点击help ->Install New Software -> add ->http://repo1.maven.org/maven2/.m2e/connectors/m2eclipse-mavenarchiver/0.17.2/N/LATEST/取消下图选项点击next即可，然后update项目即可。...

错误信息出现在pom头的project标签，project标签内容是：< project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http

如果想在mapper.xml文件中的一个标签中写多条sql语句，则需要在jdbc的配置文件中稍做配置：url=jdbc:mysql://127.0.0.1:3306/airipo?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&allowMultiQueries=truexm

Eclipse导入Maven项目时pom.xml报错，项目上有红感叹号。错误原因：pom.xml中依赖的jar包在本地仓库中不存在，但是在maven/conf/settings.xml中定义了阿里云镜像，但是不会自己下载，所以pom.xml中找不打jar包。解决方案：将镜像代码改变一下，我原来是这样的：<mirror><id>alimaven</id><n

springboot在pom.xml中加入依赖com.fasterxml.jackson.core-jackson-databind后报错，报错如下：Error creating bean with name ‘requestMappingHandlerAdapter’ defined in class path resource2021-10-09 14:19:38.152INFO 13708

***************************APPLICATION FAILED TO START***************************Description:An attempt was made to call a method that does not exist. The attempt was made from the following location:

报错详细内容：[08001] CLIENT_PLUGIN_AUTH is requiredcom.mysql.cj.exceptions.UnableToConnectException: CLIENT_PLUGIN_AUTH is required.报错原因：MySql版本与你的MySql的jar包（MySql驱动）版本不对应。解决方案：==方案一：==下载对应版本Mysql==方案二：==更改

错误详细提示：Cannot start internal HTTP server. Git integration, JavaScript debugger and LiveEdit may operate with errors. Please check your firewall settings and restart Intellij idea.报错原因：防火墙阻挡了工具的通信。解决方案

错误原因：配置文件中base-package写错了,无法创建bean解决方法：在springmvc.xml配置文件中 将<context:component-scan base-package=“xxx.*”/>写成自己的包

报错详细内容：[08001] CLIENT_PLUGIN_AUTH is requiredcom.mysql.cj.exceptions.UnableToConnectException: CLIENT_PLUGIN_AUTH is required.报错原因：MySql版本与你的MySql的jar包（MySql驱动）版本不对应。解决方案：==方案一：==下载对应版本Mysql==方案二：==更改