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  1. POExpress Checkout Digital Goods : Proxy Error on sandbox.paypal.com/incontext
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    <p>I have a Flash website. When I want to use Paypal Express Checkout with Digital Goods, I call this javascript code :</p> <pre><code>dg = new PAYPAL.apps.DGFlow(); dg.startFlow("http://mydomain.com/setup.php"); </code></pre> <p>setup.php calls SetExpressCheckoutPayment function and redirect to <a href="https://www.sandbox.paypal.com/incontext?token=...&amp;useraction=commit" rel="nofollow">https://www.sandbox.paypal.com/incontext?token=...&amp;useraction=commit</a></p> <p>With Firebug I can see this address returns a 302, and redirects to <a href="https://www.sandbox.paypal.com/webapps/checkout/webflow/sparta/expresscheckoutvalidatedataflow?exp_type=&amp;cookiesBlocked=&amp;token=...&amp;useraction=commit" rel="nofollow">https://www.sandbox.paypal.com/webapps/checkout/webflow/sparta/expresscheckoutvalidatedataflow?exp_type=&amp;cookiesBlocked=&amp;token=...&amp;useraction=commit</a> This adress returns also a 302 and redirects to <a href="https://www.sandbox.paypal.com/webapps/checkout/webflow/sparta/expresscheckoutvalidatedataflow?execution=e1s1" rel="nofollow">https://www.sandbox.paypal.com/webapps/checkout/webflow/sparta/expresscheckoutvalidatedataflow?execution=e1s1</a></p> <p>Here it hangs for several minutes and ends with this error message :</p> <pre><code>Proxy Error The proxy server could not handle the request GET /webapps/checkout/webflow/sparta/expresscheckoutvalidatedataflow. Reason: Error during SSL Handshake with remote server </code></pre> <p>I started to get this error sometimes last week, and I have it every time today. It happens on my MAMP environment and on my website. I don't have SSL certificate but I didn't last week and it was not a problem.</p> <p>Do you know anything about this error message ?</p> <p><strong>Edit</strong></p> <p>I tried with Opera, proxyError comes at a different step : <a href="https://www.sandbox.paypal.com/webapps/checkout/webflow/sparta/expresscheckoutvalidatedataflow?execution=e1s4" rel="nofollow">https://www.sandbox.paypal.com/webapps/checkout/webflow/sparta/expresscheckoutvalidatedataflow?execution=e1s4</a></p> <p>And once this morning on Firefox I had another Proxy Error after the first redirection :</p> <pre><code>Proxy Error The proxy server received an invalid response from an upstream server. The proxy server could not handle the request GET /webapps/checkout/webflow/sparta/expresscheckoutvalidatedataflow. Reason: Error reading from remote server </code></pre>
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