nodemanager启动:Failed to initialize spark2_shuffle...java.net.BindException: Address already in use

nodemanager启动:Failed to initialize spark2_shuffle...java.net.BindException: Address already in use

提示端口被占用,但日志没找到具体端口,默认spark.shuffle.service.port是7337,日志有打印但发现未被占用

然后找了下yarn和spark配置文件相关的端口,还列出所有端口,一个个根据端口找到应用排查,折腾了半个多小时,最终还是采用重启大法搞定