diff --git a/src/main/java/ru/maximkulikov/goodgame/api/GoodChat.java b/src/main/java/ru/maximkulikov/goodgame/api/GoodChat.java
index 7fc1d03..84be1e3 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/GoodChat.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/GoodChat.java
@@ -3,8 +3,10 @@
 import java.io.IOException;
 import java.net.URI;
 import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.eclipse.jetty.websocket.api.Session;
@@ -60,7 +62,6 @@ public void run() {
 
                 } catch (Exception e) {
                     logger.error("Connecting exeption: {}", e.getLocalizedMessage());
-                    e.printStackTrace();
                 } finally {
                     try {
                         GoodChat.this.client.stop();
@@ -116,7 +117,6 @@ public final void sendMessage(final ReqChatObject chatObject) {
                 Thread.sleep(700);
 
             } catch (InterruptedException e) {
-                e.printStackTrace();
                 logger.error("Send message Exeption. Closing thread: {}", e.getLocalizedMessage());
                 Thread.currentThread().interrupt();
             }
@@ -153,7 +153,6 @@ public final void stop() {
                 GoodChat.this.client.stop();
             } catch (Exception e) {
                 logger.error("GoddChat dit not stop in proper way! {}", e.getLocalizedMessage());
-                e.printStackTrace();
             }
         }
     }
@@ -361,7 +360,7 @@ public final void onMessage(final String msg) {
                         break;
                     default:
                         answer = new Response(ChatResponses.UNKNOWN, null);
-                        System.out.println(msg);
+                        logger.info(msg);
                         break;
                 }
 
@@ -369,7 +368,6 @@ public final void onMessage(final String msg) {
 
             } catch (IOException e) {
                 logger.error("On message receive exception: {}", e.getLocalizedMessage());
-                e.printStackTrace();
             }
         }
 
@@ -385,9 +383,8 @@ protected final void sendMessage(final String s) {
                     fut = this.session.getRemote().sendStringByFuture(s);
                     fut.get(2, TimeUnit.SECONDS);
 
-                } catch (Throwable t) {
-                    logger.error("send Message exception: {}", t.getLocalizedMessage());
-                    t.printStackTrace();
+                } catch (InterruptedException | ExecutionException | TimeoutException e) {
+                    logger.error("send Message exception: {}", e.getLocalizedMessage());
                 }
             }
         }
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/auth/Authenticator.java b/src/main/java/ru/maximkulikov/goodgame/api/auth/Authenticator.java
index a0c0cce..d35f591 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/auth/Authenticator.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/auth/Authenticator.java
@@ -157,7 +157,8 @@ public final void setRefreshToken(final String refreshToken) {
      * @return
      */
     public String setHost(final String host) {
-        return this.host = host;
+        this.host = host;
+        return this.host;
 
     }
 }
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/auth/grants/implicit/AuthenticationCallbackRequest.java b/src/main/java/ru/maximkulikov/goodgame/api/auth/grants/implicit/AuthenticationCallbackRequest.java
index 31cd742..a0d28df 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/auth/grants/implicit/AuthenticationCallbackRequest.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/auth/grants/implicit/AuthenticationCallbackRequest.java
@@ -98,12 +98,12 @@ private void processRequest() {
         ) {
 
             String requestLine = br.readLine();
-            String rawRequest = "\n" + requestLine;
-
-            String headerLine = null;
-            while ((headerLine = br.readLine()).length() != 0) {
-                rawRequest += headerLine + "\n";
-            }
+//            String rawRequest = "\n" + requestLine;
+//
+//            String headerLine = null;
+//            while ((headerLine = br.readLine()).length() != 0) {
+//                rawRequest += headerLine + "\n";
+//            }
 
             StringTokenizer tokens = new StringTokenizer(requestLine);
 
@@ -165,9 +165,6 @@ private void processRequest() {
                 os.writeBytes(entityBody);
             }
 
-            os.close();
-            br.close();
-
             this.socket.close();
 
             if (this.authenticationListener != null) {
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/auth/grants/implicit/AuthenticationCallbackServer.java b/src/main/java/ru/maximkulikov/goodgame/api/auth/grants/implicit/AuthenticationCallbackServer.java
index 977ca24..327c791 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/auth/grants/implicit/AuthenticationCallbackServer.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/auth/grants/implicit/AuthenticationCallbackServer.java
@@ -34,7 +34,7 @@ public class AuthenticationCallbackServer implements AuthenticationListener {
     private final URL failurePage;
     private final URL successPage;
     private int port;
-    private String host = "127.0.0.1";
+    private String host;
     private ServerSocket serverSocket;
     private String accessToken;
     private AuthenticationError authenticationError;
@@ -44,6 +44,7 @@ public class AuthenticationCallbackServer implements AuthenticationListener {
 
     public AuthenticationCallbackServer(final int port) {
         this.port = port;
+        host = "127.0.0.1";
         // Load default pages
         this.authPage = getClass().getResource(DEFAULT_AUTH_PAGE);
         this.failurePage = getClass().getResource(DEFAULT_FAILURE_PAGE);
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/chatmodels/ReqIgnoreListContainer.java b/src/main/java/ru/maximkulikov/goodgame/api/chatmodels/ReqIgnoreListContainer.java
index b7cbc23..6215fbf 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/chatmodels/ReqIgnoreListContainer.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/chatmodels/ReqIgnoreListContainer.java
@@ -19,18 +19,16 @@ public final Empty getData() {
         return this.data;
     }
 
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-
-        if (o == null || getClass() != o.getClass()) return false;
+    public final void setData(final Empty data) {
+        this.data = data;
+    }
 
-        ReqIgnoreListContainer that = (ReqIgnoreListContainer) o;
+    public final String getType() {
+        return this.type;
+    }
 
-        return new EqualsBuilder()
-                .append(type, that.type)
-                .append(data, that.data)
-                .isEquals();
+    public final void setType(final String type) {
+        this.type = type;
     }
 
     @Override
@@ -41,23 +39,18 @@ public int hashCode() {
                 .toHashCode();
     }
 
-    /**
-     *
-     */
-
-    public ReqIgnoreListContainer() {
-    }
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
 
-    public final void setData(final Empty data) {
-        this.data = data;
-    }
+        if (o == null || getClass() != o.getClass()) return false;
 
-    public final String getType() {
-        return this.type;
-    }
+        ReqIgnoreListContainer that = (ReqIgnoreListContainer) o;
 
-    public final void setType(final String type) {
-        this.type = type;
+        return new EqualsBuilder()
+                .append(type, that.type)
+                .append(data, that.data)
+                .isEquals();
     }
 
     @Override
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/resources/AbstractResource.java b/src/main/java/ru/maximkulikov/goodgame/api/resources/AbstractResource.java
index 00a1fce..9ee2df1 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/resources/AbstractResource.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/resources/AbstractResource.java
@@ -44,8 +44,6 @@ protected AbstractResource(final String baseUrl) {
 
     }
 
-    ;
-
     protected void configureHeaders() {
 
         http.removeHeader(ACCEPT);
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/resources/AjaxResource.java b/src/main/java/ru/maximkulikov/goodgame/api/resources/AjaxResource.java
index 36beb5f..2339b48 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/resources/AjaxResource.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/resources/AjaxResource.java
@@ -26,6 +26,7 @@ public class AjaxResource extends AbstractResource {
     private static final String CONTENT_TYPE = "Content-Type";
     private static final String FORM_URL_ENCODED = "application/x-www-form-urlencoded; charset=UTF-8";
     private static final String COOKIE = "Cookie";
+    private static final String PARAMETERS_NULL = "{} parameters are null";
     private GoodGame gg;
 
     /**
@@ -46,6 +47,10 @@ public AjaxResource(final String ajaxBaseUrl, final GoodGame gg) {
      * @param handler
      */
     public final boolean games(final String searchGame, final AjaxGamesHandler handler) {
+        if (searchGame == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/games/all/", getBaseUrl());
 
         RequestParams params = new RequestParams();
@@ -83,8 +88,12 @@ public void onSuccess(int statusCode, Map<String, List<String>> headers, String
      * @param handler
      */
     public final boolean games(final String searchGame, final RequestParams params, final AjaxGamesHandler handler) {
-        String url = String.format("%s/games/all/", getBaseUrl());
+        if (searchGame == null || params == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
 
+        String url = String.format("%s/games/all/", getBaseUrl());
         params.put("q", searchGame);
 
         http.get(url, params, new GoodGameHttpResponseHandler(handler) {
@@ -119,6 +128,10 @@ public void onSuccess(int statusCode, Map<String, List<String>> headers, String
      * @see GoodGame#setPhpSessId(String)
      */
     public final boolean login(final String login, final String password, final AjaxLoginResponseHandler handler) {
+        if (login == null || password == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/login/", getBaseUrl());
 
         RequestParams params = new RequestParams();
@@ -152,6 +165,7 @@ public void onSuccess(int statusCode, Map<String, List<String>> headers, String
                     }
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
@@ -169,6 +183,11 @@ public void onSuccess(int statusCode, Map<String, List<String>> headers, String
      * @see #games(String, AjaxGamesHandler)
      */
     public final boolean updateTitle(final String channelId, final String title, final String gameId, final UpdateTitleResponseHandler handler) {
+        if (channelId == null || title == null || gameId == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
+
         String url = String.format("%s/channel/update-title/", getBaseUrl());
 
         RequestParams params = new RequestParams();
@@ -177,7 +196,6 @@ public final boolean updateTitle(final String channelId, final String title, fin
         params.put("title", title);
         params.put("gameId", gameId);
 
-
         http.removeHeader(CONTENT_TYPE);
         http.removeHeader(COOKIE);
         http.setHeader(CONTENT_TYPE, FORM_URL_ENCODED);
@@ -190,6 +208,7 @@ public void onSuccess(int statusCode, Map<String, List<String>> headers, String
                     UpdateTitle value = objectMapper.readValue(content, UpdateTitle.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/resources/ChannelsResource.java b/src/main/java/ru/maximkulikov/goodgame/api/resources/ChannelsResource.java
index 93517dc..cdc0f6a 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/resources/ChannelsResource.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/resources/ChannelsResource.java
@@ -21,6 +21,7 @@
  */
 public class ChannelsResource extends AbstractResource {
     private static final Logger logger = LoggerFactory.getLogger(ChannelsResource.class);
+    private static final String PARAMETERS_NULL = "{} parameters are null";
 
     /**
      * @param baseUrl    Базовая ссылка для доступа к ресурсу
@@ -39,6 +40,10 @@ public ChannelsResource(final String baseUrl, final int apiVersion) {
      * @param handler
      */
     public final boolean getDonations(final String channel, final DonationsResponseHandler handler) {
+        if (channel == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/channel/%s/donations", getBaseUrl(), channel);
         this.configureHeaders();
         http.get(url, new GoodGameHttpResponseHandler(handler) {
@@ -48,6 +53,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     DonationsContainer value = objectMapper.readValue(content, DonationsContainer.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
@@ -67,6 +73,10 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
      */
     public final boolean getDonations(final String channel, final RequestParams params,
                                       final DonationsResponseHandler handler) {
+        if (channel == null || params == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/channel/%s/donations", getBaseUrl(), channel);
         this.configureHeaders();
         http.get(url, params, new GoodGameHttpResponseHandler(handler) {
@@ -76,6 +86,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     DonationsContainer value = objectMapper.readValue(content, DonationsContainer.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
@@ -92,6 +103,10 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
      * @param handler
      */
     public final boolean getPremiums(final String channel, final PremiumsResponseHandler handler) {
+        if (channel == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/channel/%s/premiums", getBaseUrl(), channel);
 
         this.configureHeaders();
@@ -121,6 +136,10 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
      */
     public final boolean getPremiums(final String channel, final RequestParams params,
                                      final PremiumsResponseHandler handler) {
+        if (channel == null || params == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/channel/%s/premiums", getBaseUrl(), channel);
 
         this.configureHeaders();
@@ -147,6 +166,10 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
      * @param handler
      */
     public final boolean getSubscribers(final String channel, final SubscriberResponseHandler handler) {
+        if (channel == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/channel/%s/subscribers", getBaseUrl(), channel);
 
         this.configureHeaders();
@@ -176,6 +199,10 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
      */
     public final boolean getSubscribers(final String channel, final RequestParams params,
                                         final SubscriberResponseHandler handler) {
+        if (channel == null || params == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/channel/%s/subscribers", getBaseUrl(), channel);
 
         this.configureHeaders();
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/resources/ChatResource.java b/src/main/java/ru/maximkulikov/goodgame/api/resources/ChatResource.java
index cb6e05d..8d215cc 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/resources/ChatResource.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/resources/ChatResource.java
@@ -38,6 +38,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     ChatToken value = objectMapper.readValue(content, ChatToken.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/resources/GamesResource.java b/src/main/java/ru/maximkulikov/goodgame/api/resources/GamesResource.java
index ae17875..b278987 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/resources/GamesResource.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/resources/GamesResource.java
@@ -19,6 +19,7 @@
  */
 public class GamesResource extends AbstractResource {
     private static final Logger logger = LoggerFactory.getLogger(GamesResource.class);
+    private static final String PARAMETERS_NULL = "{} parameters are null";
 
     public GamesResource(final String baseUrl, final int apiVersion) {
         super(baseUrl, apiVersion);
@@ -31,6 +32,10 @@ public GamesResource(final String baseUrl, final int apiVersion) {
      * @param handler
      */
     public final boolean getGame(final String gameUrl, final GameResponseHandler handler) {
+        if (gameUrl == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/games/%s", getBaseUrl(), gameUrl);
 
         this.configureHeaders();
@@ -41,6 +46,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     Game value = objectMapper.readValue(content, Game.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
@@ -56,6 +62,10 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
      * @param handler
      */
     public final boolean getGames(final RequestParams params, final GamesResponseHandler handler) {
+        if (params == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/games", getBaseUrl());
 
         this.configureHeaders();
@@ -66,6 +76,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     GamesContainer value = objectMapper.readValue(content, GamesContainer.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
@@ -89,6 +100,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     GamesContainer value = objectMapper.readValue(content, GamesContainer.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/resources/GithubResource.java b/src/main/java/ru/maximkulikov/goodgame/api/resources/GithubResource.java
index d454282..d313f0f 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/resources/GithubResource.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/resources/GithubResource.java
@@ -19,10 +19,9 @@
  */
 public class GithubResource extends AbstractResource {
     private static final Logger logger = LoggerFactory.getLogger(GithubResource.class);
+    private static final String PARAMETERS_NULL = "{} parameters are null";
     private static final String ID = "id";
-
     private static final String FMT = "fmt";
-
     private static final String JSON = "json";
 
     private final GoodGame gg;
@@ -33,6 +32,10 @@ public GithubResource(final String baseUrl, GoodGame goodGame) {
     }
 
     public final boolean getChannelStatus(final String channelId, final GitHubSharedHandler handler) {
+        if (channelId == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/getchannelstatus", getBaseUrl());
 
         RequestParams params = new RequestParams();
@@ -45,7 +48,6 @@ public final boolean getChannelStatus(final String channelId, final GitHubShared
             public void onSuccess(final int statusCode, final Map<String, List<String>> headers, final String content) {
 
                 handler.onSuccess(content);
-
             }
         });
         return true;
@@ -74,6 +76,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     GitHubSubscribers value = objectMapper.readValue(content, GitHubSubscribers.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
@@ -83,6 +86,10 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
     }
 
     public final boolean getChannelsByGame(final String gameUrl, final GitHubSharedHandler handler) {
+        if (gameUrl == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/getchannelsbygame", getBaseUrl());
 
         RequestParams params = new RequestParams();
@@ -95,13 +102,16 @@ public final boolean getChannelsByGame(final String gameUrl, final GitHubSharedH
             public void onSuccess(final int statusCode, final Map<String, List<String>> headers, final String content) {
 
                 handler.onSuccess(content);
-
             }
         });
         return true;
     }
 
     public final boolean getGgChannelStatus(final String id, final GitHubSharedHandler handler) {
+        if (id == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/getggchannelstatus", getBaseUrl());
 
         RequestParams params = new RequestParams();
@@ -114,13 +124,16 @@ public final boolean getGgChannelStatus(final String id, final GitHubSharedHandl
             public void onSuccess(final int statusCode, final Map<String, List<String>> headers, final String content) {
 
                 handler.onSuccess(content);
-
             }
         });
         return true;
     }
 
     public final boolean getToken(final String username, final String password, final GitHubTokenHandler handler) {
+        if (username == null || password == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/token", getBaseUrl());
 
         RequestParams params = new RequestParams();
@@ -139,6 +152,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     gg.auth().setRefreshToken(value.getRefreshToken());
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
 
@@ -148,6 +162,10 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
     }
 
     public final boolean getUpcomingBroadcast(final String id, final GitHubSharedHandler handler) {
+        if (id == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/getupcomingbroadcast", getBaseUrl());
 
         RequestParams params = new RequestParams();
@@ -158,9 +176,7 @@ public final boolean getUpcomingBroadcast(final String id, final GitHubSharedHan
         http.post(url, params, new GoodGameHttpResponseHandler(handler) {
             @Override
             public void onSuccess(final int statusCode, final Map<String, List<String>> headers, final String content) {
-
                 handler.onSuccess(content);
-
             }
         });
         return true;
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/resources/InfoResource.java b/src/main/java/ru/maximkulikov/goodgame/api/resources/InfoResource.java
index 8e14e98..194c012 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/resources/InfoResource.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/resources/InfoResource.java
@@ -37,6 +37,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     Info value = objectMapper.readValue(content, Info.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/resources/OauthResource.java b/src/main/java/ru/maximkulikov/goodgame/api/resources/OauthResource.java
index dab86d0..f6daa68 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/resources/OauthResource.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/resources/OauthResource.java
@@ -20,6 +20,7 @@
  */
 public class OauthResource extends AbstractResource {
     private static final Logger logger = LoggerFactory.getLogger(OauthResource.class);
+    private static final String PARAMETERS_NULL = "{} parameters are null";
     private static final String CODE = "code";
 
     private static final String OAUTH = "%s/oauth";
@@ -57,6 +58,7 @@ public OauthResource(final String defaultBaseUrl, final int defaultApiVersion, f
     public final boolean getAccessToken(final boolean useAutorizationCode, final OauthResponseHandler handler) {
 
         if (this.gg.auth().getRedirectURI() == null || this.gg.getClientId() == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
             return false;
         }
 
@@ -70,6 +72,7 @@ public final boolean getAccessToken(final boolean useAutorizationCode, final Oau
         if (useAutorizationCode) {
 
             if (this.gg.auth().getAuthorizationCode() == null) {
+                logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
                 return false;
             }
             params.put(REDIRECT_URI, this.gg.auth().getRedirectURI().toString());
@@ -80,6 +83,7 @@ public final boolean getAccessToken(final boolean useAutorizationCode, final Oau
         } else {
 
             if (this.gg.auth().getRefreshToken() == null) {
+                logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
                 return false;
             }
             params.put(GRANT_TYPE, REFRESH_TOKEN);
@@ -98,6 +102,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     handler.onSuccess(value);
 
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
@@ -122,6 +127,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     handler.onSuccess(value);
 
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/resources/PlayerResourses.java b/src/main/java/ru/maximkulikov/goodgame/api/resources/PlayerResourses.java
index deb6979..d70f829 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/resources/PlayerResourses.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/resources/PlayerResourses.java
@@ -16,6 +16,7 @@
  */
 public class PlayerResourses extends AbstractResource {
     private static final Logger logger = LoggerFactory.getLogger(PlayerResourses.class);
+    private static final String PARAMETERS_NULL = "{} parameters are null";
 
     public PlayerResourses(final String defaultBaseUrl, final int defaultApiVersion) {
         super(defaultBaseUrl, defaultApiVersion);
@@ -28,6 +29,10 @@ public PlayerResourses(final String defaultBaseUrl, final int defaultApiVersion)
      * @param handler
      */
     public final boolean getPlayer(final String channelId, final PlayerResponseHandler handler) {
+        if (channelId == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/player/%s", getBaseUrl(), channelId);
 
         this.configureHeaders();
@@ -38,6 +43,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     Player value = objectMapper.readValue(content, Player.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/resources/SmilesResource.java b/src/main/java/ru/maximkulikov/goodgame/api/resources/SmilesResource.java
index 20892a7..d004c5f 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/resources/SmilesResource.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/resources/SmilesResource.java
@@ -17,6 +17,7 @@
  */
 public class SmilesResource extends AbstractResource {
     private static final Logger logger = LoggerFactory.getLogger(SmilesResource.class);
+    private static final String PARAMETERS_NULL = "{} parameters should be > 0";
     private static final String PAGE = "page";
 
     public SmilesResource(final String baseUrl, final int apiVersion) {
@@ -35,6 +36,10 @@ protected SmilesResource(final String baseUrl) {
      * @param handler
      */
     public final boolean getChannelSmiles(final long channelID, final SmilesResponseHandler handler) {
+        if (channelID < 0) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/smiles/%s", getBaseUrl(), channelID);
 
         this.configureHeaders();
@@ -45,6 +50,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     SmilesContainer value = objectMapper.readValue(content, SmilesContainer.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
@@ -62,6 +68,11 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
      */
     public final boolean getChannelSmiles(final long channelId, final int page,
                                           final SmilesResponseHandler handler) {
+        if (channelId < 0 || page < 0) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
+
         String url = String.format("%s/smiles/%s", getBaseUrl(), channelId);
 
         RequestParams params = new RequestParams();
@@ -75,6 +86,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     SmilesContainer value = objectMapper.readValue(content, SmilesContainer.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
@@ -99,6 +111,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     SmilesContainer value = objectMapper.readValue(content, SmilesContainer.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
@@ -114,6 +127,10 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
      * @param handler
      */
     public final boolean getSmiles(final int page, final SmilesResponseHandler handler) {
+        if (page < 0) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/smiles", getBaseUrl());
         RequestParams params = new RequestParams();
         params.put(PAGE, page);
@@ -126,6 +143,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     SmilesContainer value = objectMapper.readValue(content, SmilesContainer.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
diff --git a/src/main/java/ru/maximkulikov/goodgame/api/resources/StreamsResource.java b/src/main/java/ru/maximkulikov/goodgame/api/resources/StreamsResource.java
index b0fb35e..63f9900 100644
--- a/src/main/java/ru/maximkulikov/goodgame/api/resources/StreamsResource.java
+++ b/src/main/java/ru/maximkulikov/goodgame/api/resources/StreamsResource.java
@@ -18,6 +18,7 @@
  */
 public class StreamsResource extends AbstractResource {
     private static final Logger logger = LoggerFactory.getLogger(StreamsResource.class);
+    private static final String PARAMETERS_NULL = "{} parameters are null";
 
     public StreamsResource(final String baseUrl, final int apiVersion) {
         super(baseUrl, apiVersion);
@@ -32,6 +33,10 @@ public StreamsResource(final String baseUrl, final int apiVersion) {
      * @param handler
      */
     public final boolean getChannel(final String channel, final StreamChannelResponseHandler handler) {
+        if (channel == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
         String url = String.format("%s/streams/%s", getBaseUrl(), channel);
 
         this.configureHeaders();
@@ -42,6 +47,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     ChannelContainer value = objectMapper.readValue(content, ChannelContainer.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
@@ -66,6 +72,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     EmbededChannels value = objectMapper.readValue(content, EmbededChannels.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
@@ -81,6 +88,10 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
      * @param handler
      */
     public final boolean getStreams(final RequestParams params, final StreamsResponseHandler handler) {
+        if (params == null) {
+            logger.error(PARAMETERS_NULL, getClass().getEnclosingMethod().getName());
+            return false;
+        }
 
         String url = String.format("%s/streams", getBaseUrl());
 
@@ -92,6 +103,7 @@ public void onSuccess(final int statusCode, final Map<String, List<String>> head
                     EmbededChannels value = objectMapper.readValue(content, EmbededChannels.class);
                     handler.onSuccess(value);
                 } catch (IOException e) {
+                    logger.error("IOException {}", e.getLocalizedMessage());
                     handler.onFailure(e);
                 }
             }
diff --git a/src/main/test/ru/maximkulikov/goodgame/api/package-info.java b/src/main/test/ru/maximkulikov/goodgame/api/package-info.java
deleted file mode 100644
index 7506113..0000000
--- a/src/main/test/ru/maximkulikov/goodgame/api/package-info.java
+++ /dev/null
@@ -1 +0,0 @@
-package ru.maximkulikov.goodgame.api;