We experience same problem on CentOS 7 because of python 2.7. BTW, original Hue on Github already supports Python 2.7 but appropriate package seems not available on HDP repo yet. We’ve tried to ask support for correct instructions how to deploy Hue on CentOS7, as manual instructions not yet available for HDP 2.3, but answer was not promising: “In HDP 2.3 we have expanded Ambari Views (files, pig, hive). We are continuing to expand on this framework along with other open source projects to provide a rich UI experience. What specific Hue UI elements were you needing to use on your new HDP 2.3 deployment?” So, seems Hortonworks decided to switch their efforts to Ambari views and stop supporting Hue deployments, I wish they made that decision after better QA on Ambari Views, as it’s not even possible to upload files on HDFS using Ambari views – http://hortonworks.com/community/forums/topic/ambari-hdfs-view-500-server-error/ .
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