Thanks @Pradheep, That's very useful.  I'm just a client of the cluster, so I have no permissions to view or alter such server side settings.  However, at least I know that questions to ask the administrators of the cluster now.   Next I just need to find out more about the (450) error. It's a shame the Cloudera ODBC for Impala Driver error messages are so vague and unclear. ... View more

Hello there,   I am Pradheep, it seems currently you are experiencing two problems.   1. From AWS Linux host, you are unable to connect Impala daemon and getting SSL related error. 2. In Impala-Shell, also you are unable to connect.   For Impala-shell, instead of "impala-shell -i my_host_url:21050" command, I recommend you to check with CM > Impala > Connection String example command and share the result here.   Based on the output, we will check for SSL issue with ODBC driver. ... View more