I had the same problem: I had to stop all YARN services I cleared path from this property: yarn.timeline-service.leveldb-state-store.path  Start YARN services and from this point everything works now.     ... View more

Hi @LUAN HA, We had the same issue. We have added to HDFS Ambari config "hadoop-env template" extra variable: export HTTPFS_CONFIG=/etc/hadoop-httpfs/conf In dir: /etc/hadoop-httpfs/conf We have placed secret file: httpfs-signature.secret Reboot service from httpfs user: hdfs --daemon stop httpfs hdfs --daemon start httpfs Otherwise httpfs is using default client hadoop config in example: /usr/hdp/3.1.0.0-78/hadoop/conf as the config dir which will be overwritten if you reboot services using Ambari. ... View more