@Override
    public SessionHandle openSession(String username, String password, Map<String, String> configuration)
      throws HiveSQLException {
      return cliService.openSession(username, password, configuration);
    }
RetryingThriftCLIServiceClient. Creates a proxy for a CLIServiceClient
implementation and retries calls to it on failure.
service/src/java/org/apache/hive/service/cli/thrift/RetryingThriftCLIServiceClient.java