KUDU-1471 NPE in AsyncKuduClient from Spark

Change-Id: Iecb0f0f50f62db3a3d5fb10f80da70fedeb2629d
Reviewed-on: http://gerrit.cloudera.org:8080/3243
Reviewed-by: Dan Burkert <dan@cloudera.com>
Tested-by: Kudu Jenkins
(cherry picked from commit 48e09ab953494779e54963948696d1bcbb77c744)
Reviewed-on: http://gerrit.cloudera.org:8080/3274
Reviewed-by: Jean-Daniel Cryans
1 file changed