gistfile1.rb

class Client
  import "java.net.InetAddress"
  
  def create_host(nameserver)
    addrs = []
    addrs << InetAddress.getByName(nameserver.addr_v4) if nameserver.addr_v4
    addrs << InetAddress.getByName(nameserver.addr_v6) if nameserver.addr_v6

    command = JavaImport::Se::HostCreateCommand.new(
      nameserver.name.to_java,
      addrs.to_java(java.net.InetAddress)
    )
  end
end

gistfile2.java

package com.ausregistry.jtoolkit2.se;

/**
 * Use this to request that a host object be provisioned in an EPP Registry.
 * Instances of this class generate RFC5730 and RFC5732 compliant host create
 * EPP command service elements via the toXML method.
 *
 * @see com.ausregistry.jtoolkit2.se.HostCreateResponse
 */
public class HostCreateCommand extends CreateCommand {
	private static final long serialVersionUID = -3161264324911932444L;

	/**
	 * Provision a host with the specified details which constitute the
	 * minimum valid parameters according to the EPP specification.  This is
	 * the appropriate constructor to use for provisioning external hosts.
	 *
	 * @param name The new host's name.
	 */
	public HostCreateCommand(String name) {
		this(name, null);
	}

	/**
	 * Provision a host with the specified details.  This constructor allows
	 * specification of any and all parameters for a host create command.
	 *
	 * @param name The new host's name.
	 *
	 * @param addresses The Internet addresses of the host to be provisioned.
	 * These should only be specified if the parent domain is sponsored by the
	 * client provisioning this host and the parent domain is provisioned in
	 * the domain name registry in which this host is being provisioned.  That
	 * is, external hosts must not be assigned Internet addresses.
	 */
	public HostCreateCommand(String name, InetAddress[] addresses) {
		super(StandardObjectType.HOST, name);

		if (addresses != null) {
			for (InetAddress inaddr : addresses) {
				inaddr.appendToElement(xmlWriter, objElement);
			}
		}
	}
}

NameError: no constructorfor arguments (java.lang.String,org.jruby.java.proxies.ArrayJavaProxy) on Java::ComAusregistryJtoolkit2Se::HostCreateCommand