Use getTransferInfo().

getReturnCode() only returns the result from the first request. If there is
some authenticated request, the first response is a 404. The final response
code from the second request is in the transfer info.

framework/Http/lib/Horde/Http/Response/Peclhttp2.php

@@ -32,15 +32,18 @@ class Horde_Http_Response_Peclhttp2 extends Horde_Http_Response_Base
     public function __construct($uri, \http\Client\Response $response)
     {
         try {
-            $parent = $response->getParentMessage();
-            $location = $parent->getHeader('Location');
-            $this->uri = $location;
-        } catch (HttpRuntimeException $e) {
+            $info = $response->getTransferInfo();
+        } catch (\http\Exception $e) {
+            throw new Horde_Http_Exception($e);
+        }
+        try {
+            $this->uri = $info->effective_url;
+        } catch (\http\Exception\RuntimeException $e) {
             $this->uri = $uri;
         }
 
         $this->httpVersion = $response->getHttpVersion();
-        $this->code = $response->getResponseCode();
+        $this->code = $info->response_code;
         $this->_response = $response;
         $this->_headers = new Horde_Support_CaseInsensitiveArray(
             $response->getHeaders()

framework/Http/package.xml

@@ -28,7 +28,7 @@
  </stability>
  <license uri="http://www.horde.org/licenses/bsd">BSD-2-Clause</license>
  <notes>
-* 
+* [jan] Fix return code from multi-request actions in Peclhttp2 driver.
  </notes>
  <contents>
   <dir baseinstalldir="/" name="/">
@@ -507,7 +507,7 @@
    <date>2015-01-08</date>
    <license uri="http://www.horde.org/licenses/bsd">BSD-2-Clause</license>
    <notes>
-* 
+* [jan] Fix return code from multi-request actions in Peclhttp2 driver.
    </notes>
   </release>
  </changelog>