UPnP fixes part 6:

Fix malformed HTTP requests
Check HTTP response code in Parser
Check content type in Parser
Debug log in Parser
Show device URL in CLI
Don't retry after parser exception
Close resources in finally block

router/java/src/net/i2p/router/transport/UPnP.java

@@ -1634,6 +1634,9 @@ public class UPnP extends ControlPoint implements DeviceChangeListener, EventLis
 				                   ": " + DataHelper.escapeHTML(device.getFriendlyName()) + "</h3>");
 				System.out.println("<p>UDN: " + DataHelper.escapeHTML(device.getUDN()));
 				System.out.println("<br>IP: " + getIP(device));
+				String loc = device.getLocation();
+				if (loc != null && loc.length() > 0)
+					System.out.println("<br>URL: <a href=\"" + loc + "\">" + loc + "</a>");
 				System.out.println(sb.toString());
 				sb.setLength(0);
 			}