netty编译报错

1、maven : Failed to install metadata project Could not parse metadata maven-metadata-local.xml
解决方案：https://blog.csdn.net/weixin_36997847/article/details/82048802
2、解决maven无法获取${os.detected.classifier}的问题
https://blog.csdn.net/weixin_43962314/article/details/108933596