title: How to Use DCAwareRoundRobinPolicy in java using Java Driver (2.0.2,3.1) and cassandra 3.7
body: <p>I have configured cassandra cluster with 2 datacenters, and 3 nodes each. i wanted to use DCAwareRoundRobinPolicy to specify the local datacenter. i tried using both Datastax java driver 2.0.2 and 3.1. but with 2.0.2 there no compile time error rather in run-time i am getting NoSuchMethodError and 3.1 giving me the DCAwareRoundRobinPolicy() constructor is not visible.</p>
  
  <p>Can anyone please let me know how to fix this issue?</p>
  
  <p>Thanks in advance.</p>