@brahmasree b Connect to zookeeper and delete the znode dir related to storm service and restart both "zookeeper" and "storm" service. /usr/hdp/current/zookeeper-server/bin/zkCli.sh -server <hostname>:2181 [zk: <hostname>:2181(CONNECTED) 0]ls / [zk: <hostname>:2181(CONNECTED) 0]rmr /storm ... View more