Issue #21: stacktrace при connection time out заменен на более простую форму

src/main/java/kinosearch/webapp/WebAppController.java

@@ -170,7 +170,24 @@ public class WebAppController {
             con.setRequestProperty(headerName, request.getHeader(headerName));
         }
 
-        con.connect();
+        boolean connected;
+        int _try = 0;
+        do {
+            try {
+                con.connect();
+                connected = true;
+            } catch (IOException e) {
+                con.disconnect();
+                connected = false;
+                _try++;
+                logger.log(Level.WARNING,String.format("Error connection to '%s': '%s'. Try again...", url.toString(), e.getMessage()));
+            }
+        } while (!connected && _try < 3);
+
+        if (!connected) {
+            response.sendError(524);
+            return;
+        }
 
         int statusCode = con.getResponseCode();
         response.setStatus(statusCode);