任务实例日志只有一行：
[INFO] 2020-04-01 16:49:37.498 - [taskAppId=TASK-22-424-438]:[109] - -> sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set
解决办法：
https://blog.csdn.net/zhouguangfei0717/article/details/82768474
要点：
chown root:root /usr/bin/sudo
chmod 4755 /usr/bin/sudo
Dolphin Scheduler启动包含spark类型的任务失败
原文：https://www.cnblogs.com/144823836yj/p/12613770.html