第一种错误 :idea中 maven打包时时报错User setting file does not exist C:\Users\lenevo\.m2\setting.xml, 解决方案如下:将maven的安装目录\conf目录下的setting.xml拷贝到C:\Users\lenevo\.m2目录下即可. 第二种错误: This application has no explicit mapping for /error, so you are seeing this as a fallb…