Issue 5100 - Exception while initializing Engine

src/org/adblockplus/sbrowser/contentblocker/engine/Engine.java

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 405 matching lines @@
         {
           additional++;
           engine.subscriptions.add(sub);
         }
       }
 
       Log.d(TAG, "Added " + additional + " additional default/built-in subscriptions");
       engine.subscriptions.persistSubscriptions();
     }
 
+    engine.handlerThread = new Thread(new EventHandler(engine));
+    engine.handlerThread.setDaemon(true);
+    engine.handlerThread.start();
+
+    engine.downloader = Downloader.create(context, engine);
+
     final File cachedFilterFile = getCachedFilterFile(context);
     if (cachedFilterFile == null || !cachedFilterFile.exists())
     {
       engine.sendUpdateBroadcast();
     }
 
-    engine.handlerThread = new Thread(new EventHandler(engine));
-    engine.handlerThread.setDaemon(true);
-    engine.handlerThread.start();
-
-    engine.downloader = Downloader.create(context, engine);
-
     return engine;
   }
 
   public static String readFileAsString(InputStream instream) throws IOException
   {
     final StringBuilder sb = new StringBuilder();
     final BufferedReader r = new BufferedReader(new InputStreamReader(instream, CHARSET_UTF_8));
     for (int ch = r.read(); ch != -1; ch = r.read())
     {
       sb.append((char) ch);
@@ skipping 280 matching lines @@
       Log.d(TAG, headers.toString());
       this.downloader.enqueueDownload(this.createDownloadURL(sub), sub.getId(), headers);
     }
   }
 
   public void connectivityChanged()
   {
     this.downloader.connectivityChanged();
   }
 }