If you have HA in your cluster, make sure the setting of webhdfs_url in Hue is pointing to the ACTIVE NameNode.   You can find webhdfs_url in: (xxx is some digitals for you current run of Hue) /run/cloudera-scm-agent/process/xxx-hue-HUE_SERVER/hue.ini   And you can find the active NameNode in: (xx is some digitals for you cluster) http://your.cloudera.manager.host:7180/cmf/services/xx/instances   Or, maybe you've missed something after the HA, check below https://www.cloudera.com/documentation/enterprise/latest/topics/cdh_hag_hdfs_ha_cdh_components_config.html#concept_rj1_hsq_bp   ... View more