JRuby not able to connect to Oracle NoSQL Database

[dvohra10]

JRuby script is not able to connect to Oracle NoSQL and generates following error:
ERROR: Connection to the store: Oracle NoSQL DB 11gR2.1.2.123 Could not contact any RepNode at: [hostname:500]

hostname is the host name.

store_name="kvstore"
host_name="hostname"
port="5000"
connect(store_name, host_name, port)