Ravi,

please check impacts of bug 957452 on this BZ.

patch posted upstream: 

  http://gerrit.ovirt.org/#/c/16295/

build IS4
After running this code:

import java.io.IOException;

import org.apache.http.client.ClientProtocolException;
import org.ovirt.engine.sdk.Api;
import org.ovirt.engine.sdk.entities.DataCenter;
import org.ovirt.engine.sdk.entities.Version;
import org.ovirt.engine.sdk.exceptions.ServerException;
import org.ovirt.engine.sdk.exceptions.UnsecuredConnectionAttemptError;


public class debugRemove {
        private static final String URL = "https://ilia-rhevm.qa.lab.tlv.redhat.com:443/api";

    public static void main(String[] args) throws ClientProtocolException, ServerException,
            UnsecuredConnectionAttemptError, IOException {
        Api api = new Api(URL, "admin@internal", "123456", true);
        DataCenter dc = new DataCenter();
        Version ver = new Version();
        ver.setMajor(3);
        ver.setMinor(2);
        dc.setName("foo");
        dc.setStorageType("nfs");
        dc.setVersion(ver);
        api.getDataCenters().add(dc);
        org.ovirt.engine.sdk.decorators.DataCenter dcDecor = api.getDataCenters().get("foo");
        dcDecor.delete(false, "667");
    }
}

datacenter was created and removed

Closing - RHEV 3.3 Released