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Editorial Team
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Asked: 2026-05-20T12:42:57+00:00

I’m trying to fetch data of some https website from google appengine (java). There

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I’m trying to fetch data of some https website from google appengine (java).
There are two step: log-in then fetch data from another page.

In the dev server, I complete this two steps successfully, with very basic java code (URL and HttpConnection, POST data).

When deployed on appengine, step 1 is ok, but step 2 fails.

I should add that I’m using two different http connections objects, but as it is working in dev server, I told myself that there was some cookie/session stuffs to keep the connection between the two calls.

But it fails in appengine context, so I’m wondering if it can’t be related to my browser and https certificates?

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1 Answer

  1. Editorial Team

    I built an application to the Facebook hosted on AppEngine.

    And to make https requests i’m using the URLFetchService:

    String request = "https://graph.facebook.com/194652357227159?access_token=Aj2h4df...";
URL url = new URL(request);
URLFetchService urlFetchService = URLFetchServiceFactory.getURLFetchService();
HTTPResponse resp =  urlFetchService.fetch(new HTTPRequest(url, HTTPMethod.GET, FetchOptions.Builder.doNotValidateCertificate()));

    Hope that helps.

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