本篇文章主要介绍了"User: root is not allowed to impersonate admin"，主要涉及到方面的内容，对于其他数据库感兴趣的同学可以参考一下：
hadoop.proxyuser.root.hosts
hadoop.proxyuser.root.hosts
*
hadoop.proxyuser.root.groups
*
After adding the property files into core-site.xmlrestart your hadoop and try. Even though if it not works format the namenode and start hadoop it will work.
以上就介绍了User: root is not allowed to impersonate admin，包括了方面的内容，希望对其他数据库有兴趣的朋友有所帮助。
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