I am having the same trouble here. impala-shell -i my_host_url:21050 Answer: Starting Impala Shell without Kerberos authentication Opened TCP connection to my_hot_url:21050 Error connecting: TTransportException, TSocket read 0 bytes Kerberos ticket found in the credentials cache, retrying the connection with a secure transport. Error connecting: TTransportException, Could not start SASL: Error in sasl_client_start (-4) SASL(-4): no mechanism available: No worthy mechs found I am not sure how to proceed. Any suggestion?   Thank you 🙂   ... View more