在hadoop集群启用权限控制后，发现job运行日志的ui访问不了， User [dr.who] is not authorized to view the logs for application原因 Resource Manager UI的默认用户dr.who权限不正确 解决 如果集群使用Ambari管理的话,在HDFS > Configurations > Custom core-site > Add Property hadoop.http.staticuser.user=yarn
[解决] User [dr.who] is not authorized to view the logs for application
原文：http://blog.csdn.net/odailidong/article/details/50783138