I followed the instructions here for setting up and configuring the Impala driver on Linux. When I test the connection using the isql command line utility I get the following error:
[S1000][unixODBC][Cloudera][DriverSupport] (1140) Unable to load CA certificates from certs file location. Please ensure the file exists, has read permission, and has the correct PEM format.
[ISQL]ERROR: Could not SQLConnect