Fixing exception in validate num connection
Fixing exception in validate num connection

Change-Id: I539a604fbd53d71a0e5510f94f587513fcff84a5
Reviewed-on: http://review.couchbase.org/71269
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Mahesh Mandhare <f05f25073b6d9a2858c6a374b80c02d5a2bccf33@couchbase.com>

pavel-paulau/perfrunner,couchbase/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner,couchbase/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner,pavel-paulau/perfrunner,pavel-paulau/perfrunner,couchbase/perfrunner,couchbase/perfrunner