u014692224的博客

解决Could not transfer metadata org.apache.maven.plugins:maven-archetype-plugin/maven-metadata.xml fro错误显示的主要意思是说访问不到阿里的镜像服务器，然后一些依赖的包就下载不下来。搜索到的解决方案主要是说maven里的settings文件中没有配置阿里的镜像服务器，也有的说是网速的问题，毕竟公司的网速太感人了。我觉得这两个地方都有可能出现问题。但是经过测试，问题依然没有解决。如果大家也遇到这种问题，接下来就给

idea构建的项目，点击运行出现以下错误提示：Error running PraticeWeb: Can’t find catalina.jar 21:54 Error running PraticeWeb Invalid arguments : Already listening [timeout, port, localAddress]检查tomcat配置发现：File -> Setting -> Build,Execution,Deployment -> Application

原因：驱动与数据库字符集不匹配解决方法：1、换一个新版本的mysql-connector-java。5.1.44的character_set_server和character_set_database系统变量的默认值已从latin1更改为 utf8mb4。<！--dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId&gt

Mac使用git出现xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun解决方法终端输入xcode-select --install按提示安装之后git就能正常使用了...

Objc[63766] Class JavaLaunchHelper is implemented in both … and …,One of the two will be used. Which one is undefined.Root cause:When starting a java application, IDEA finds two classpaths in current lcoal environment, as a result, it selects one of them