diff --git a/res/values/strings.xml b/res/values/strings.xml
index 9f82a190..2bd63ab7 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -23,9 +23,6 @@
     <string name="theme_light">Light</string>
     <string name="connection">Connection</string>
     <string name="http_authentication">HTTP Authentication</string>
-    <string name="login_api_disabled">Login failed: API disabled.</string>
-    <string name="login_no_data">Login failed: no data received.</string>
-    <string name="login_wrong_password">Login failed: username or password incorrect.</string>
     <string name="login_success">Logged in.</string>
     <string name="no_unread_feeds">No unread feeds.</string>
     <string name="no_unread_headlines">No unread headlines.</string>
@@ -35,15 +32,11 @@
     <string name="update_feeds">Refresh feeds</string>
     <string name="close_article">Close article</string>    
     <string name="share_article">Share article</string>
-    <string name="could_not_decode_content">Could not decode content (UnsupportedEncodingException)</string>
     <string name="sort_feeds_by_unread">Sort feeds by unread count</string>
     <string name="load_more_articles">Load more...</string>
     <string name="show_all_articles">Show all articles</string>
     <string name="show_unread_articles">Show unread articles</string>
     <string name="ssl_trust_any">Accept any SSL certificate</string>
-    <string name="error_no_data">Error: no data received.</string>
-    <string name="error_no_feeds">No feeds to display.</string>
-    <string name="error_invalid_object">Error: invalid object received.</string>
     <string name="blank"></string>
     <string name="transport_debugging">Log sent and received data</string>
     <string name="toggle_marked">Toggle starred</string>
@@ -57,4 +50,24 @@
     <string name="download_feed_icons">Download and display feed icons</string>
     <string name="enable_cats">Enable feed categories</string>
     <string name="back_to_categories">Close category</string>
+    <string name="no_feeds_to_display">No feeds to display</string>
+    <string name="no_headlines_to_display">No headlines to display</string>
+        
+    <string name="error_template">Error: %1$s</string>
+        
+	<string name="error_no_error">No error</string>
+	<string name="error_unknown">Error: Unknown error (see log)</string>
+	<string name="error_http_unauthorized">Error: 401 unauthorized</string>
+    <string name="error_http_forbidden">Error: 403 forbidden</string>
+    <string name="error_http_not_found">Error: 404 not found</string>
+    <string name="error_http_server_error">Error: 500 server error</string>
+    <string name="error_http_other_error">Error: other HTTP error (see log)</string>
+    <string name="error_ssl_rejected">Error: SSL certificate rejected</string>
+    <string name="error_parse_error">Error: JSON parse failed</string>
+    <string name="error_io_error">Error: I/O failure (server down?)</string>
+    <string name="error_other_error">Error: unknown error (see log)</string>
+    <string name="error_api_disabled">Error: API disabled for this user</string>
+    <string name="error_api_unknown">Error: unknown API error (see log)</string>
+    <string name="error_login_failed">Error: username or password incorrect</string>
+    
 </resources>
diff --git a/src/org/fox/ttrss/ApiRequest.java b/src/org/fox/ttrss/ApiRequest.java
index 9af9d33f..1611cbb9 100644
--- a/src/org/fox/ttrss/ApiRequest.java
+++ b/src/org/fox/ttrss/ApiRequest.java
@@ -1,6 +1,7 @@
 package org.fox.ttrss;
 
 import java.io.BufferedReader;
+import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.net.MalformedURLException;
@@ -29,21 +30,27 @@ import android.util.Log;
 
 import com.google.gson.Gson;
 import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 
 public class ApiRequest extends AsyncTask<HashMap<String,String>, Integer, JsonElement> {
 	private final String TAG = this.getClass().getSimpleName();
 
-	protected static final int STATUS_LOGIN_FAILED = 0;
-	protected static final int STATUS_OK = 1;
-	protected static final int STATUS_API_DISABLED = 2;
-	protected static final int STATUS_OTHER_ERROR = 3;
+	public enum ApiError { NO_ERROR, HTTP_UNAUTHORIZED, HTTP_FORBIDDEN, HTTP_NOT_FOUND, 
+		HTTP_SERVER_ERROR, HTTP_OTHER_ERROR, SSL_REJECTED, PARSE_ERROR, IO_ERROR, OTHER_ERROR, API_DISABLED, API_UNKNOWN, LOGIN_FAILED };
 	
+	public static final int API_STATUS_OK = 0;
+	public static final int API_STATUS_ERR = 1;
+		
 	private String m_api;
 	private boolean m_trustAny = false;
 	private boolean m_transportDebugging = false;
+	protected int m_httpStatusCode = 0;
+	protected int m_apiStatusCode = 0;
 	private Context m_context;
 	private SharedPreferences m_prefs;
+	
+	protected ApiError m_lastError;
 
 	public ApiRequest(Context context) {
 		m_context = context;
@@ -53,6 +60,42 @@ public class ApiRequest extends AsyncTask<HashMap<String,String>, Integer, JsonE
 		m_api = m_prefs.getString("ttrss_url", null);
 		m_trustAny = m_prefs.getBoolean("ssl_trust_any", false);
 		m_transportDebugging = m_prefs.getBoolean("transport_debugging", false);
+		m_lastError = ApiError.NO_ERROR;
+		
+	}
+	
+	protected int getErrorMessage() {
+		switch (m_lastError) {
+		case NO_ERROR:
+			return R.string.error_unknown;
+		case HTTP_UNAUTHORIZED:
+			return R.string.error_http_unauthorized;
+		case HTTP_FORBIDDEN:
+			return R.string.error_http_forbidden;
+		case HTTP_NOT_FOUND:
+			return R.string.error_http_not_found;
+		case HTTP_SERVER_ERROR:
+			return R.string.error_http_server_error;
+		case HTTP_OTHER_ERROR:
+			return R.string.error_http_other_error;
+		case SSL_REJECTED:
+			return R.string.error_ssl_rejected;
+		case PARSE_ERROR:
+			return R.string.error_parse_error;
+		case IO_ERROR:
+			return R.string.error_io_error;
+		case OTHER_ERROR:
+			return R.string.error_other_error;
+		case API_DISABLED:
+			return R.string.error_api_disabled;
+		case API_UNKNOWN:
+			return R.string.error_api_unknown;
+		case LOGIN_FAILED:
+			return R.string.error_login_failed;
+		default:
+			Log.d(TAG, "getErrorMessage: unknown error code=" + m_lastError);
+			return R.string.error_unknown;
+		}
 	}
 	
 	@Override
@@ -106,25 +149,77 @@ public class ApiRequest extends AsyncTask<HashMap<String,String>, Integer, JsonE
 			httpPost.setEntity(new StringEntity(requestStr, "utf-8"));
 			HttpResponse execute = client.execute(httpPost);
 			
-			InputStream content = execute.getEntity().getContent();
+			m_httpStatusCode = execute.getStatusLine().getStatusCode();
 
-			BufferedReader buffer = new BufferedReader(
-					new InputStreamReader(content), 8192);
-
-			String s = "";				
-			String response = "";
-
-			while ((s = buffer.readLine()) != null) {
-				response += s;
+			switch (m_httpStatusCode) {
+			case 200:
+				InputStream content = execute.getEntity().getContent();
+	
+				BufferedReader buffer = new BufferedReader(
+						new InputStreamReader(content), 8192);
+	
+				String s = "";				
+				String response = "";
+	
+				while ((s = buffer.readLine()) != null) {
+					response += s;
+				}
+	
+				if (m_transportDebugging) Log.d(TAG, "<<< " + response);
+	
+				JsonParser parser = new JsonParser();
+				
+				JsonElement result = parser.parse(response);
+				JsonObject resultObj = result.getAsJsonObject();
+				
+				m_apiStatusCode = resultObj.get("status").getAsInt();
+				
+				switch (m_apiStatusCode) {
+				case API_STATUS_OK:
+					return result.getAsJsonObject().get("content");
+				case API_STATUS_ERR:
+					JsonObject contentObj = resultObj.get("content").getAsJsonObject();
+					String error = contentObj.get("error").getAsString();
+					
+					if (error.equals("LOGIN_ERROR")) {
+						m_lastError = ApiError.LOGIN_FAILED;
+					} else if (error.equals("API_DISABLED")) {
+						m_lastError = ApiError.LOGIN_FAILED;
+					} else {
+						m_lastError = ApiError.API_UNKNOWN;
+					}		
+				}
+				
+				return null;
+			case 401:
+				m_lastError = ApiError.HTTP_UNAUTHORIZED;
+				break;
+			case 403:
+				m_lastError = ApiError.HTTP_FORBIDDEN;
+				break;
+			case 404:
+				m_lastError = ApiError.HTTP_NOT_FOUND;
+				break;
+			case 500:
+				m_lastError = ApiError.HTTP_SERVER_ERROR;
+				break;
+			default:
+				m_lastError = ApiError.HTTP_OTHER_ERROR;
+				break;
 			}
-
-			if (m_transportDebugging) Log.d(TAG, "<<< " + response);
-
-			JsonParser parser = new JsonParser();
-			
-			return parser.parse(response);
 			
+			return null;
+		} catch (javax.net.ssl.SSLPeerUnverifiedException e) {
+			m_lastError = ApiError.SSL_REJECTED;
+			e.printStackTrace();
+		} catch (IOException e) {
+			m_lastError = ApiError.IO_ERROR;
+			e.printStackTrace();
+		} catch (com.google.gson.JsonSyntaxException e) {
+			m_lastError = ApiError.PARSE_ERROR;
+			e.printStackTrace();
 		} catch (Exception e) {
+			m_lastError = ApiError.OTHER_ERROR;
 			e.printStackTrace();
 		}
 		
diff --git a/src/org/fox/ttrss/ArticleFragment.java b/src/org/fox/ttrss/ArticleFragment.java
index 9fc2619b..a2146838 100644
--- a/src/org/fox/ttrss/ArticleFragment.java
+++ b/src/org/fox/ttrss/ArticleFragment.java
@@ -94,31 +94,25 @@ public class ArticleFragment extends Fragment implements OnClickListener {
 				// this is ridiculous
 				// TODO white on black style for dark theme
 				String content;
-				try {
-					String cssOverride = "";
-					
-					if (m_prefs.getString("theme", "THEME_DARK").equals("THEME_DARK")) {
-						web.setBackgroundColor(android.R.color.black);
-						cssOverride = "body { background : black; color : #f0f0f0}\n";						
-					}
-					
-					content = 
-						"<html>" +
-						"<head>" +
-						"<meta content=\"text/html; charset=utf-8\" http-equiv=\"content-type\">" +
-						"<style type=\"text/css\">" +
-						cssOverride +
-						"img { max-width : 90%; }" +
-						"body { text-align : justify; }" +
-						"</style>" +
-						"</head>" +
-						"<body>" + m_article.content + "</body></html>";
-					
-				} catch (Exception e) {
-					content = getString(R.string.could_not_decode_content);
-					e.printStackTrace();
+				String cssOverride = "";
+				
+				if (m_prefs.getString("theme", "THEME_DARK").equals("THEME_DARK")) {
+					web.setBackgroundColor(android.R.color.black);
+					cssOverride = "body { background : black; color : #f0f0f0}\n";						
 				}
 				
+				content = 
+					"<html>" +
+					"<head>" +
+					"<meta content=\"text/html; charset=utf-8\" http-equiv=\"content-type\">" +
+					"<style type=\"text/css\">" +
+					cssOverride +
+					"img { max-width : 90%; }" +
+					"body { text-align : justify; }" +
+					"</style>" +
+					"</head>" +
+					"<body>" + m_article.content + "</body></html>";
+					
 				web.loadDataWithBaseURL(null, content, "text/html", "utf-8", null);
 				
 				if (activity.isSmallScreen())
diff --git a/src/org/fox/ttrss/FeedCategoriesFragment.java b/src/org/fox/ttrss/FeedCategoriesFragment.java
index 8c1cd9b5..5ef5b504 100644
--- a/src/org/fox/ttrss/FeedCategoriesFragment.java
+++ b/src/org/fox/ttrss/FeedCategoriesFragment.java
@@ -14,6 +14,7 @@ import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.support.v4.app.Fragment;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -162,52 +163,43 @@ public class FeedCategoriesFragment extends Fragment implements OnItemClickListe
 		public CatsRequest(Context context) {
 			super(context);
 		}
-
+		
 		protected void onPostExecute(JsonElement result) {
 			if (result != null) {
 				try {			
-					JsonObject rv = result.getAsJsonObject();
-
-					Gson gson = new Gson();
-					
-					int status = rv.get("status").getAsInt();
-					
-					if (status == 0) {
-						JsonArray content = rv.get("content").getAsJsonArray();
-						if (content != null) {
-							Type listType = new TypeToken<List<FeedCategory>>() {}.getType();
-							final List<FeedCategory> cats = gson.fromJson(content, listType);
-							
-							m_cats.clear();
-							
-							for (FeedCategory c : cats)
-								m_cats.add(c);
-							
-							sortCats();
-							
-							if (m_cats.size() == 0)
-								setLoadingStatus(R.string.error_no_feeds, false);
-							else
-								setLoadingStatus(R.string.blank, false);
-
-						}
-					} else {
-						MainActivity activity = (MainActivity)getActivity();							
-						activity.login();
+					JsonArray content = result.getAsJsonArray();
+					if (content != null) {
+						Type listType = new TypeToken<List<FeedCategory>>() {}.getType();
+						final List<FeedCategory> cats = new Gson().fromJson(content, listType);
+						
+						m_cats.clear();
+						
+						for (FeedCategory c : cats)
+							m_cats.add(c);
+						
+						sortCats();
+						
+						if (m_cats.size() == 0)
+							setLoadingStatus(R.string.no_feeds_to_display, false);
+						else
+							setLoadingStatus(R.string.blank, false);
+						
+						return;
 					}
+							
 				} catch (Exception e) {
-					e.printStackTrace();
-					setLoadingStatus(R.string.error_invalid_object, false);
-					// report invalid object received
+					e.printStackTrace();						
 				}
-			} else {
-				// report null object received, unless we've been awakened from sleep right in the right time
-				// so that current request failed
-				if (m_cats.size() == 0) setLoadingStatus(R.string.error_no_data, false);
 			}
-			
-			return;
-	    }
+
+			if (m_lastError == ApiError.LOGIN_FAILED) {
+				MainActivity activity = (MainActivity)getActivity();							
+				activity.login();
+			} else {
+				setLoadingStatus(getErrorMessage(), false);
+			}
+		}
+
 	}
 
 	public void sortCats() {
diff --git a/src/org/fox/ttrss/FeedsFragment.java b/src/org/fox/ttrss/FeedsFragment.java
index a2438b27..6243f79b 100644
--- a/src/org/fox/ttrss/FeedsFragment.java
+++ b/src/org/fox/ttrss/FeedsFragment.java
@@ -51,7 +51,6 @@ import android.widget.TextView;
 import com.google.gson.Gson;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
 import com.google.gson.reflect.TypeToken;
 
 public class FeedsFragment extends Fragment implements OnItemClickListener, OnSharedPreferenceChangeListener {
@@ -220,7 +219,7 @@ public class FeedsFragment extends Fragment implements OnItemClickListener, OnSh
 				if (result != null) {
 
 					try {
-						JsonElement iconsUrl = result.getAsJsonObject().get("content").getAsJsonObject().get("icons_dir");
+						JsonElement iconsUrl = result.getAsJsonObject().get("icons_dir");
 
 						if (iconsUrl != null) {
 							String iconsStr = iconsUrl.getAsString();
@@ -261,54 +260,45 @@ public class FeedsFragment extends Fragment implements OnItemClickListener, OnSh
 		public FeedsRequest(Context context) {
 			super(context);
 		}
-
+		
 		protected void onPostExecute(JsonElement result) {
 			if (result != null) {
 				try {			
-					JsonObject rv = result.getAsJsonObject();
+					JsonArray content = result.getAsJsonArray();
+					if (content != null) {
 
-					Gson gson = new Gson();
-					
-					int status = rv.get("status").getAsInt();
-					
-					if (status == 0) {
-						JsonArray content = rv.get("content").getAsJsonArray();
-						if (content != null) {
-							Type listType = new TypeToken<List<Feed>>() {}.getType();
-							final List<Feed> feeds = gson.fromJson(content, listType);
-							
-							m_feeds.clear();
-							
-							for (Feed f : feeds)
-								if (f.id > -10) // skip labels for now
-									m_feeds.add(f);
-							
-							sortFeeds();
-							
-							if (m_feeds.size() == 0)
-								setLoadingStatus(R.string.error_no_feeds, false);
-							else
-								setLoadingStatus(R.string.blank, false);
+						Type listType = new TypeToken<List<Feed>>() {}.getType();
+						final List<Feed> feeds = new Gson().fromJson(content, listType);
+						
+						m_feeds.clear();
+						
+						for (Feed f : feeds)
+							if (f.id > -10) // skip labels for now
+								m_feeds.add(f);
+						
+						sortFeeds();
+						
+						if (m_feeds.size() == 0)
+							setLoadingStatus(R.string.no_feeds_to_display, false);
+						else
+							setLoadingStatus(R.string.blank, false);
 
-							if (m_enableFeedIcons) getFeedIcons();
-							
-						}
-					} else {
-						MainActivity activity = (MainActivity)getActivity();							
-						activity.login();
+						if (m_enableFeedIcons) getFeedIcons();
+
+						return;
 					}
+							
 				} catch (Exception e) {
-					e.printStackTrace();
-					setLoadingStatus(R.string.error_invalid_object, false);
-					// report invalid object received
+					e.printStackTrace();						
 				}
-			} else {
-				// report null object received, unless we've been awakened from sleep right in the right time
-				// so that current request failed
-				if (m_feeds.size() == 0) setLoadingStatus(R.string.error_no_data, false);
 			}
-			
-			return;
+
+			if (m_lastError == ApiError.LOGIN_FAILED) {
+				MainActivity activity = (MainActivity)getActivity();							
+				activity.login();
+			} else {
+				setLoadingStatus(getErrorMessage(), false);
+			}
 	    }
 	}
 
diff --git a/src/org/fox/ttrss/HeadlinesFragment.java b/src/org/fox/ttrss/HeadlinesFragment.java
index 8e0d9756..defd5ee0 100644
--- a/src/org/fox/ttrss/HeadlinesFragment.java
+++ b/src/org/fox/ttrss/HeadlinesFragment.java
@@ -34,7 +34,6 @@ import android.widget.TextView;
 import com.google.gson.Gson;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
 import com.google.gson.reflect.TypeToken;
 
 public class HeadlinesFragment extends Fragment implements OnItemClickListener {
@@ -174,54 +173,50 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener {
 		protected void onPostExecute(JsonElement result) {
 			if (result != null) {
 				try {			
-					JsonObject rv = result.getAsJsonObject();
-
-					Gson gson = new Gson();
-					
-					int status = rv.get("status").getAsInt();
-					
-					if (status == 0) {
-						JsonArray content = rv.get("content").getAsJsonArray();
-						if (content != null) {
-							Type listType = new TypeToken<List<Article>>() {}.getType();
-							final List<Article> articles = gson.fromJson(content, listType);
-							
-							if (m_offset == 0)
-								m_articles.clear();
-							
-							int last_position = m_articles.size();
-							
-							for (Article f : articles) 
-								m_articles.add(f);
-							
-							m_adapter.notifyDataSetChanged();
-							
-							ListView list = (ListView)getView().findViewById(R.id.headlines);
-							
-							if (list != null && m_offset != 0) {
-								list.setSelection(last_position+1);
-							}
-							
-							MainActivity activity = (MainActivity)getActivity();
-							activity.setCanLoadMore(articles.size() >= 30);
-							activity.initMainMenu();
-							
-							setLoadingStatus(R.string.blank, false);
+					JsonArray content = result.getAsJsonArray();
+					if (content != null) {
+						Type listType = new TypeToken<List<Article>>() {}.getType();
+						final List<Article> articles = new Gson().fromJson(content, listType);
+						
+						if (m_offset == 0)
+							m_articles.clear();
+						
+						int last_position = m_articles.size();
+						
+						for (Article f : articles) 
+							m_articles.add(f);
+						
+						m_adapter.notifyDataSetChanged();
+						
+						ListView list = (ListView)getView().findViewById(R.id.headlines);
+						
+						if (list != null && m_offset != 0) {
+							list.setSelection(last_position+1);
 						}
-					} else {
-						MainActivity activity = (MainActivity)getActivity();							
-						activity.login();
-					}
-				} catch (Exception e) {
-					e.printStackTrace();
-					setLoadingStatus(R.string.error_invalid_object, false);
-				}
-			} else {
-				setLoadingStatus(R.string.error_no_data, false);
-			}
-			
-			return;
+						
+						MainActivity activity = (MainActivity)getActivity();
+						activity.setCanLoadMore(articles.size() >= 30);
+						activity.initMainMenu();
+						
+						if (m_articles.size() == 0)
+							setLoadingStatus(R.string.no_headlines_to_display, false);
+						else
+							setLoadingStatus(R.string.blank, false);
 
+						return;
+					}
+							
+				} catch (Exception e) {
+					e.printStackTrace();						
+				}
+			}
+
+			if (m_lastError == ApiError.LOGIN_FAILED) {
+				MainActivity activity = (MainActivity)getActivity();							
+				activity.login();
+			} else {
+				setLoadingStatus(getErrorMessage(), false);
+			}
 	    }
 
 		public void setOffset(int skip) {
diff --git a/src/org/fox/ttrss/MainActivity.java b/src/org/fox/ttrss/MainActivity.java
index af6e239a..a5ffc0ed 100644
--- a/src/org/fox/ttrss/MainActivity.java
+++ b/src/org/fox/ttrss/MainActivity.java
@@ -633,60 +633,41 @@ public class MainActivity extends FragmentActivity implements FeedsFragment.OnFe
 		protected void onPostExecute(JsonElement result) {
 			if (result != null) {
 				try {			
-					JsonObject rv = result.getAsJsonObject();
-
-					int status = rv.get("status").getAsInt();
-					
-					if (status == 0) {
-						JsonObject content = rv.get("content").getAsJsonObject();
-						if (content != null) {
-							m_sessionId = content.get("session_id").getAsString();
-							
-							Log.d(TAG, "Authenticated!");
-							
-							setLoadingStatus(R.string.loading_message, true);
-
-							FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
-							
-							if (m_enableCats) {
-								FeedCategoriesFragment frag = new FeedCategoriesFragment();
-								ft.replace(R.id.cats_fragment, frag);
-							} else {
-								FeedsFragment frag = new FeedsFragment(); 
-								ft.replace(R.id.feeds_fragment, frag);
-							}
-
-							ft.commit();
-							
-							loginSuccess();
-							
-						}
-					} else {
-						JsonObject content = rv.get("content").getAsJsonObject();
+					JsonObject content = result.getAsJsonObject();
+					if (content != null) {
+						m_sessionId = content.get("session_id").getAsString();
 						
-						if (content != null) {
-							String error = content.get("error").getAsString();
+						Log.d(TAG, "Authenticated!");
+						
+						setLoadingStatus(R.string.loading_message, true);
 
-							m_sessionId = null;
+						FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
+						
+						if (m_enableCats) {
+							FeedCategoriesFragment frag = new FeedCategoriesFragment();
+							ft.replace(R.id.cats_fragment, frag);
+						} else {
+							FeedsFragment frag = new FeedsFragment(); 
+							ft.replace(R.id.feeds_fragment, frag);
+						}
 
-							if (error.equals("LOGIN_ERROR")) {
-								setLoadingStatus(R.string.login_wrong_password, false);
-							} else if (error.equals("API_DISABLED")) {
-								setLoadingStatus(R.string.login_api_disabled, false);
-							} else {
-								setLoadingStatus(R.string.login_failed, false);
-							}
-							
-							m_menu.findItem(R.id.login).setVisible(true);
-						}							
+						ft.commit();
+						
+						loginSuccess();
+						return;
 					}
+							
 				} catch (Exception e) {
 					e.printStackTrace();						
 				}
-			} else {
-				setLoadingStatus(R.string.login_no_data, false);
 			}
+	
+			m_sessionId = null;
+
+			setLoadingStatus(getErrorMessage(), false);
+			m_menu.findItem(R.id.login).setVisible(true);
 		}
+
 	}
 
 	@Override