diff -r 5a6b6e770365 -r 68c69c656a2c web/lib/Zend/Gdata/HttpAdapterStreamingProxy.php
--- a/web/lib/Zend/Gdata/HttpAdapterStreamingProxy.php	Thu May 07 15:10:09 2015 +0200
+++ b/web/lib/Zend/Gdata/HttpAdapterStreamingProxy.php	Thu May 07 15:16:02 2015 +0200
@@ -16,9 +16,9 @@
  * @category   Zend
  * @package    Zend_Gdata
  * @subpackage Gdata
- * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
- * @version    $Id: HttpAdapterStreamingProxy.php 24593 2012-01-05 20:35:02Z matthew $
+ * @version    $Id$
  */
 
 /**
@@ -33,7 +33,7 @@
  * @category   Zend
  * @package    Zend_Gdata
  * @subpackage Gdata
- * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Gdata_HttpAdapterStreamingProxy extends Zend_Http_Client_Adapter_Proxy
@@ -114,14 +114,19 @@
                 'Error writing request to proxy server');
         }
 
-        //read from $body, write to socket
-        while ($body->hasData()) {
-            if (! @fwrite($this->socket, $body->read(self::CHUNK_SIZE))) {
+        // Read from $body, write to socket
+        $chunk = $body->read(self::CHUNK_SIZE);
+        while ($chunk !== false) {
+            if (!@fwrite($this->socket, $chunk)) {
                 require_once 'Zend/Http/Client/Adapter/Exception.php';
                 throw new Zend_Http_Client_Adapter_Exception(
-                    'Error writing request to server');
+                    'Error writing request to server'
+                );
             }
+            $chunk = $body->read(self::CHUNK_SIZE);
         }
+        $body->closeFileHandle();
+
         return 'Large upload, request is not cached.';
     }
 }