I’m encountering an issue when attempting to restart one of the nodes in my ZooKeeper ensemble. Despite trying various solutions found online, including starting the nodes one by one according to their IDs, I’m still getting errors. Specifically, when trying to get the server status using ‘echo stat | nc localhost 2181’, I receive the message “This ZooKeeper instance is not currently serving requests”. Additionally, connecting to zkcli also fails, displaying the following error: