I did have a password (empty string). I believe you can use anything for username/password with this authmech. ... View more

Filed an issue with Cloudera and was confirmed this is a bug. Workaround provided was:  impala_auth = "AuthMech=3;UseSasl=0", which does not seem to make sense, but worked for me... good luck. ... View more

I have exactly the same empty username issue. My driver is Impala JDBC v2.5.41 and I am not using username/password authentication. Not having the user name makes searching queries by user impossible. Anyone here can help? ... View more