[google-appengine] Connecting to remote api returns 302

[contact androidlost]

I am trying to do access my data from my local machine by following this 
guide:

https://cloud.google.com/appengine/docs/java/tools/remoteapi

I have changed the web.xml, installed the cloud SDK and ran "gcloud init" 
and selected the app. 

Here is my test code:

package androidlost_remote;

import java.io.IOException;

import com.google.appengine.api.datastore.DatastoreService;
import com.google.appengine.api.datastore.DatastoreServiceFactory;
import com.google.appengine.api.datastore.Entity;
import com.google.appengine.tools.remoteapi.RemoteApiInstaller;
import com.google.appengine.tools.remoteapi.RemoteApiOptions;

public class RemoteTest {

    public static void main(String[] args) throws IOException {
        RemoteApiOptions options = new RemoteApiOptions().server(
"airtellost.appspot.com", 443).useApplicationDefaultCredential();
        RemoteApiInstaller installer = new RemoteApiInstaller();
        installer.install(options);
        try {
            DatastoreService ds = DatastoreServiceFactory.
getDatastoreService();
            System.out.println("Key of new entity is " + ds.put(new 
Entity("Hello 
Remote API!")));
        } finally {
            installer.uninstall();
        }
    }
}

But all I get is an exception:

Exception in thread "main" com.google.appengine.repackaged.com.google.api.
client.http.HttpResponseException: 302 Found
    at com.google.appengine.repackaged.com.google.api.client.http.
HttpRequest.execute(HttpRequest.java:1070)
    at com.google.appengine.tools.remoteapi.OAuthClient.get(OAuthClient.java
:64)
    at com.google.appengine.tools.remoteapi.RemoteApiInstaller.
getAppIdFromServer(RemoteApiInstaller.java:413)
    at com.google.appengine.tools.remoteapi.RemoteApiInstaller.loginImpl(
RemoteApiInstaller.java:376)
    at com.google.appengine.tools.remoteapi.RemoteApiInstaller.login(
RemoteApiInstaller.java:337)
    at com.google.appengine.tools.remoteapi.RemoteApiInstaller.install(
RemoteApiInstaller.java:173)
    at androidlost_remote.RemoteTest.main(RemoteTest.java:16)

I have no security-constraints in my web.xml.

Any suggestions on how to avoid this exception?

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