improve DatabaseCalls,

src/main/java/fr/xephi/authme/AuthMe.java

@@ -53,13 +53,14 @@ import java.util.zip.GZIPInputStream;
 
 public class AuthMe extends JavaPlugin {
 
-    private final Server server = getServer();
-    private static Logger authmeLogger = Logger.getLogger("AuthMe");
     private static AuthMe authme;
+
+    private final Server server = getServer();
+    private final Logger authmeLogger = Logger.getLogger("AuthMe");
     public Management management;
     public NewAPI api;
     private Utils utils = Utils.getInstance();
-    public SendMailSSL mail = null;
+    public SendMailSSL mail;
     private Settings settings;
     private Messages m;
     public DataManager dataManager;
@@ -70,8 +71,8 @@ public class AuthMe extends JavaPlugin {
     public Permission permission;
     public Essentials ess;
     public Location essentialsSpawn;
-    public MultiverseCore multiverse = null;
+    public MultiverseCore multiverse;
-    public LookupService lookupService = null;
+    public LookupService lookupService;
     public CitizensCommunicator citizens;
     public boolean isCitizensActive = false;
     public boolean CombatTag = false;
@@ -82,7 +83,6 @@ public class AuthMe extends JavaPlugin {
     public ConcurrentHashMap<String, Integer> captcha = new ConcurrentHashMap<>();
     public ConcurrentHashMap<String, String> cap = new ConcurrentHashMap<>();
     public ConcurrentHashMap<String, String> realIp = new ConcurrentHashMap<>();
-    protected static String vgUrl = "http://monitor-1.verygames.net/api/?action=ipclean-real-ip&out=raw&ip=%IP%&port=%PORT%";
 
     public static AuthMe getInstance() {
         return authme;
@@ -131,14 +131,6 @@ public class AuthMe extends JavaPlugin {
         // Setup otherAccounts file
         otherAccounts = OtherAccounts.getInstance();
 
-        // Configuration Security Warnings
-        if (!Settings.isForceSingleSessionEnabled) {
-            ConsoleLogger.showError("WARNING!!! By disabling ForceSingleSession, your server protection is inadequate!");
-        }
-        if (Settings.getSessionTimeout == 0 && Settings.isSessionsEnabled) {
-            ConsoleLogger.showError("WARNING!!! You set session timeout to 0, this may cause security issues!");
-        }
-
         // Setup messages
         m = Messages.getInstance();
 
@@ -148,8 +140,9 @@ public class AuthMe extends JavaPlugin {
             Metrics metrics = new Metrics(this);
             metrics.start();
             ConsoleLogger.info("Metrics started successfully!");
-        } catch (IOException e) {
+        } catch (Exception e) {
             // Failed to submit the metrics data
+            ConsoleLogger.writeStackTrace(e);
             ConsoleLogger.showError("Can't start Metrics! The plugin will work anyway...");
         }
 
@@ -258,8 +251,8 @@ public class AuthMe extends JavaPlugin {
 
         // Reload support hook
         if (Settings.reloadSupport) {
-            int playersOnline = Utils.getOnlinePlayers().size();
             if (database != null) {
+                int playersOnline = Utils.getOnlinePlayers().size();
                 if (playersOnline < 1) {
                     database.purgeLogged();
                 } else {
@@ -281,15 +274,15 @@ public class AuthMe extends JavaPlugin {
         pm.registerEvents(new AuthMeServerListener(this), this);
 
         // Register commands
-        this.getCommand("authme").setExecutor(new AdminCommand(this));
+        getCommand("authme").setExecutor(new AdminCommand(this));
-        this.getCommand("register").setExecutor(new RegisterCommand(this));
+        getCommand("register").setExecutor(new RegisterCommand(this));
-        this.getCommand("login").setExecutor(new LoginCommand(this));
+        getCommand("login").setExecutor(new LoginCommand(this));
-        this.getCommand("changepassword").setExecutor(new ChangePasswordCommand(this));
+        getCommand("changepassword").setExecutor(new ChangePasswordCommand(this));
-        this.getCommand("logout").setExecutor(new LogoutCommand(this));
+        getCommand("logout").setExecutor(new LogoutCommand(this));
-        this.getCommand("unregister").setExecutor(new UnregisterCommand(this));
+        getCommand("unregister").setExecutor(new UnregisterCommand(this));
-        this.getCommand("email").setExecutor(new EmailCommand(this));
+        getCommand("email").setExecutor(new EmailCommand(this));
-        this.getCommand("captcha").setExecutor(new CaptchaCommand(this));
+        getCommand("captcha").setExecutor(new CaptchaCommand(this));
-        this.getCommand("converter").setExecutor(new ConverterCommand(this));
+        getCommand("converter").setExecutor(new ConverterCommand(this));
 
         // Purge on start if enabled
         autoPurge();
@@ -297,6 +290,14 @@ public class AuthMe extends JavaPlugin {
         // Start Email recall task if needed
         recallEmail();
 
+        // Configuration Security Warnings
+        if (!Settings.isForceSingleSessionEnabled) {
+            ConsoleLogger.showError("WARNING!!! By disabling ForceSingleSession, your server protection is inadequate!");
+        }
+        if (Settings.getSessionTimeout == 0 && Settings.isSessionsEnabled) {
+            ConsoleLogger.showError("WARNING!!! You set session timeout to 0, this may cause security issues!");
+        }
+
         // Sponsor messages
         ConsoleLogger.info("AuthMe hooks perfectly with the VERYGAMES server hosting!");
         ConsoleLogger.info("Development builds are available on our jenkins, thanks to f14stelt.");
@@ -331,6 +332,8 @@ public class AuthMe extends JavaPlugin {
 
         // Disabled correctly
         ConsoleLogger.info("AuthMe " + this.getDescription().getVersion() + " disabled!");
+
+        authme = null;
     }
 
     // Stop/unload the server/plugin as defined in the configuration
@@ -789,7 +792,7 @@ public class AuthMe extends JavaPlugin {
     @Deprecated
     public String getVeryGamesIP(Player player) {
         String realIP = player.getAddress().getAddress().getHostAddress();
-        String sUrl = vgUrl;
+        String sUrl = "http://monitor-1.verygames.net/api/?action=ipclean-real-ip&out=raw&ip=%IP%&port=%PORT%";
         sUrl = sUrl.replace("%IP%", player.getAddress().getAddress().getHostAddress()).replace("%PORT%", "" + player.getAddress().getPort());
         try {
             URL url = new URL(sUrl);

src/main/java/fr/xephi/authme/cache/auth/PlayerCache.java

@@ -8,7 +8,7 @@ public class PlayerCache {
     private ConcurrentHashMap<String, PlayerAuth> cache;
 
     private PlayerCache() {
-        cache = new ConcurrentHashMap<String, PlayerAuth>();
+        cache = new ConcurrentHashMap<>();
     }
 
     public void addPlayer(PlayerAuth auth) {

src/main/java/fr/xephi/authme/datasource/CacheDataSource.java

@@ -11,21 +11,24 @@ import java.util.concurrent.ConcurrentHashMap;
 
 public class CacheDataSource implements DataSource {
 
-    private DataSource source;
+    private final DataSource source;
-    public AuthMe plugin;
     private ConcurrentHashMap<String, PlayerAuth> cache = new ConcurrentHashMap<>();
 
-    public CacheDataSource(AuthMe plugin, DataSource source) {
+    public CacheDataSource(AuthMe plugin, DataSource src) {
-        this.plugin = plugin;
+        this.source = src;
-        this.source = source;
         /*
          * We need to load all players in cache ... It will took more time to
          * load the server, but it will be much easier to check for an
          * isAuthAvailable !
          */
-        for (PlayerAuth auth : source.getAllAuths()) {
+        plugin.getServer().getScheduler().runTaskAsynchronously(plugin, new Runnable(){
-            cache.put(auth.getNickname().toLowerCase(), auth);
+            @Override
-        }
+            public void run() {
+                for (PlayerAuth auth : source.getAllAuths()) {
+                    cache.put(auth.getNickname().toLowerCase(), auth);
+                }
+            }
+        });
     }
 
     @Override

src/main/java/fr/xephi/authme/datasource/DataSource.java

@@ -6,7 +6,7 @@ import java.util.List;
 
 public interface DataSource {
 
-    public enum DataSourceType {
+    enum DataSourceType {
         MYSQL,
         FILE,
         SQLITE,

src/main/java/fr/xephi/authme/datasource/DatabaseCalls.java

@@ -1,67 +1,42 @@
 package fr.xephi.authme.datasource;
 
+import fr.xephi.authme.cache.auth.PlayerAuth;
+
 import java.util.ArrayList;
 import java.util.List;
-import java.util.concurrent.Callable;
+import java.util.concurrent.*;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-
-import fr.xephi.authme.cache.auth.PlayerAuth;
 
 public class DatabaseCalls implements DataSource {
 
     private DataSource database;
+    private final ExecutorService exec;
 
     public DatabaseCalls(DataSource database) {
         this.database = database;
+        this.exec = Executors.newCachedThreadPool();
     }
 
     @Override
     public synchronized boolean isAuthAvailable(final String user) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        Boolean result;
         try {
-            result = executor.submit(new Callable<Boolean>() {
+            return exec.submit(new Callable<Boolean>() {
-
                 public Boolean call() throws Exception {
                     return database.isAuthAvailable(user);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return false;
-        } catch (ExecutionException e1) {
-            return false;
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result.booleanValue();
         } catch (Exception e) {
-            return (false);
+            return false;
         }
     }
 
     @Override
     public synchronized PlayerAuth getAuth(final String user) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        PlayerAuth result;
         try {
-            result = executor.submit(new Callable<PlayerAuth>() {
+            return exec.submit(new Callable<PlayerAuth>() {
-
                 public PlayerAuth call() throws Exception {
                     return database.getAuth(user);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return null;
-        } catch (ExecutionException e1) {
-            return null;
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result;
         } catch (Exception e) {
             return null;
         }
@@ -69,332 +44,183 @@ public class DatabaseCalls implements DataSource {
 
     @Override
     public synchronized boolean saveAuth(final PlayerAuth auth) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        Boolean result;
         try {
-            result = executor.submit(new Callable<Boolean>() {
+            return exec.submit(new Callable<Boolean>() {
-
                 public Boolean call() throws Exception {
                     return database.saveAuth(auth);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return false;
-        } catch (ExecutionException e1) {
-            return false;
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result.booleanValue();
         } catch (Exception e) {
-            return (false);
+            return false;
         }
     }
 
     @Override
     public synchronized boolean updateSession(final PlayerAuth auth) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        Boolean result;
         try {
-            result = executor.submit(new Callable<Boolean>() {
+            return exec.submit(new Callable<Boolean>() {
-
                 public Boolean call() throws Exception {
                     return database.updateSession(auth);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return false;
-        } catch (ExecutionException e1) {
-            return false;
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result.booleanValue();
         } catch (Exception e) {
-            return (false);
+            return false;
         }
     }
 
     @Override
     public synchronized boolean updatePassword(final PlayerAuth auth) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        Boolean result;
         try {
-            result = executor.submit(new Callable<Boolean>() {
+            return exec.submit(new Callable<Boolean>() {
-
                 public Boolean call() throws Exception {
                     return database.updatePassword(auth);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return false;
-        } catch (ExecutionException e1) {
-            return false;
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result.booleanValue();
         } catch (Exception e) {
-            return (false);
+            return false;
         }
     }
 
     @Override
     public synchronized int purgeDatabase(final long until) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        Integer result;
         try {
-            result = executor.submit(new Callable<Integer>() {
+            return exec.submit(new Callable<Integer>() {
-
                 public Integer call() throws Exception {
                     return database.purgeDatabase(until);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return 0;
-        } catch (ExecutionException e1) {
-            return 0;
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result.intValue();
         } catch (Exception e) {
-            return (0);
+            return -1;
         }
     }
 
     @Override
     public synchronized List<String> autoPurgeDatabase(final long until) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        List<String> result;
         try {
-            result = executor.submit(new Callable<List<String>>() {
+            return exec.submit(new Callable<List<String>>() {
-
                 public List<String> call() throws Exception {
                     return database.autoPurgeDatabase(until);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return new ArrayList<String>();
-        } catch (ExecutionException e1) {
-            return new ArrayList<String>();
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result;
         } catch (Exception e) {
-            return (new ArrayList<String>());
+            return new ArrayList<>();
         }
     }
 
     @Override
     public synchronized boolean removeAuth(final String user) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        Boolean result;
         try {
-            result = executor.submit(new Callable<Boolean>() {
+            return exec.submit(new Callable<Boolean>() {
-
                 public Boolean call() throws Exception {
                     return database.removeAuth(user);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return false;
-        } catch (ExecutionException e1) {
-            return false;
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result.booleanValue();
         } catch (Exception e) {
-            return (false);
+            return false;
         }
     }
 
     @Override
     public synchronized boolean updateQuitLoc(final PlayerAuth auth) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        Boolean result;
         try {
-            result = executor.submit(new Callable<Boolean>() {
+            return exec.submit(new Callable<Boolean>() {
-
                 public Boolean call() throws Exception {
                     return database.updateQuitLoc(auth);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return false;
-        } catch (ExecutionException e1) {
-            return false;
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result.booleanValue();
         } catch (Exception e) {
-            return (false);
+            return false;
         }
     }
 
     @Override
     public synchronized int getIps(final String ip) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        Integer result;
         try {
-            result = executor.submit(new Callable<Integer>() {
+            return exec.submit(new Callable<Integer>() {
 
                 public Integer call() throws Exception {
                     return database.getIps(ip);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return 0;
-        } catch (ExecutionException e1) {
-            return 0;
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result.intValue();
         } catch (Exception e) {
-            return (0);
+            return -1;
         }
     }
 
     @Override
     public synchronized List<String> getAllAuthsByName(final PlayerAuth auth) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        List<String> result;
         try {
-            result = executor.submit(new Callable<List<String>>() {
+            return exec.submit(new Callable<List<String>>() {
-
                 public List<String> call() throws Exception {
                     return database.getAllAuthsByName(auth);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return new ArrayList<String>();
-        } catch (ExecutionException e1) {
-            return new ArrayList<String>();
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result;
         } catch (Exception e) {
-            return (new ArrayList<String>());
+            return new ArrayList<>();
         }
     }
 
     @Override
     public synchronized List<String> getAllAuthsByIp(final String ip) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        List<String> result;
         try {
-            result = executor.submit(new Callable<List<String>>() {
+            return exec.submit(new Callable<List<String>>() {
-
                 public List<String> call() throws Exception {
                     return database.getAllAuthsByIp(ip);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return new ArrayList<String>();
-        } catch (ExecutionException e1) {
-            return new ArrayList<String>();
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result;
         } catch (Exception e) {
-            return (new ArrayList<String>());
+            return new ArrayList<>();
         }
     }
 
     @Override
     public synchronized List<String> getAllAuthsByEmail(final String email) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        List<String> result;
         try {
-            result = executor.submit(new Callable<List<String>>() {
+            return exec.submit(new Callable<List<String>>() {
-
                 public List<String> call() throws Exception {
                     return database.getAllAuthsByEmail(email);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return new ArrayList<String>();
-        } catch (ExecutionException e1) {
-            return new ArrayList<String>();
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result;
         } catch (Exception e) {
-            return (new ArrayList<String>());
+            return new ArrayList<>();
         }
     }
 
     @Override
     public synchronized boolean updateEmail(final PlayerAuth auth) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        Boolean result;
         try {
-            result = executor.submit(new Callable<Boolean>() {
+            return exec.submit(new Callable<Boolean>() {
-
                 public Boolean call() throws Exception {
                     return database.updateEmail(auth);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return false;
-        } catch (ExecutionException e1) {
-            return false;
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result.booleanValue();
         } catch (Exception e) {
-            return (false);
+            return false;
         }
     }
 
     @Override
     public synchronized boolean updateSalt(final PlayerAuth auth) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        Boolean result;
         try {
-            result = executor.submit(new Callable<Boolean>() {
+            return exec.submit(new Callable<Boolean>() {
-
                 public Boolean call() throws Exception {
                     return database.updateSalt(auth);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return false;
-        } catch (ExecutionException e1) {
-            return false;
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result.booleanValue();
         } catch (Exception e) {
-            return (false);
+            return false;
         }
     }
 
     @Override
     public synchronized void close() {
-        database.close();
+        try {
+            exec.shutdown();
+            exec.awaitTermination(10, TimeUnit.SECONDS);
+            database.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
     }
 
     @Override
@@ -405,8 +231,6 @@ public class DatabaseCalls implements DataSource {
     @Override
     public synchronized void purgeBanned(final List<String> banned) {
         new Thread(new Runnable() {
-
-            @Override
             public synchronized void run() {
                 database.purgeBanned(banned);
             }
@@ -420,139 +244,90 @@ public class DatabaseCalls implements DataSource {
 
     @Override
     public synchronized boolean isLogged(final String user) {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        Boolean result;
         try {
-            result = executor.submit(new Callable<Boolean>() {
+            return exec.submit(new Callable<Boolean>() {
-
                 public Boolean call() throws Exception {
                     return database.isLogged(user);
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return false;
-        } catch (ExecutionException e1) {
-            return false;
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result.booleanValue();
         } catch (Exception e) {
-            return (false);
+            return false;
         }
     }
 
     @Override
     public synchronized void setLogged(final String user) {
-        new Thread(new Runnable() {
+        exec.execute(new Runnable() {
-
-            @Override
             public synchronized void run() {
                 database.setLogged(user);
             }
-        }).start();
+        });
     }
 
     @Override
     public synchronized void setUnlogged(final String user) {
-        new Thread(new Runnable() {
+        exec.execute(new Runnable() {
-
-            @Override
             public synchronized void run() {
                 database.setUnlogged(user);
             }
-        }).start();
+        });
     }
 
     @Override
     public synchronized void purgeLogged() {
-        new Thread(new Runnable() {
+        exec.execute(new Runnable() {
-
-            @Override
             public synchronized void run() {
                 database.purgeLogged();
             }
-        }).start();
+        });
     }
 
     @Override
     public synchronized int getAccountsRegistered() {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        Integer result;
         try {
-            result = executor.submit(new Callable<Integer>() {
+            return exec.submit(new Callable<Integer>() {
-
                 public Integer call() throws Exception {
                     return database.getAccountsRegistered();
                 }
             }).get();
-        } catch (InterruptedException e1) {
-            return 0;
-        } catch (ExecutionException e1) {
-            return 0;
-        } finally {
-            executor.shutdown();
-        }
-        try {
-            return result.intValue();
         } catch (Exception e) {
-            return (0);
+            return -1;
         }
     }
 
     @Override
-    public synchronized void updateName(final String oldone,
+    public synchronized void updateName(final String oldone, final String newone) {
-            final String newone) {
+        exec.execute(new Runnable() {
-        new Thread(new Runnable() {
-
-            @Override
             public synchronized void run() {
                 database.updateName(oldone, newone);
             }
-        }).start();
+        });
     }
 
     @Override
     public synchronized List<PlayerAuth> getAllAuths() {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        List<PlayerAuth> result;
         try {
-            result = executor.submit(new Callable<List<PlayerAuth>>() {
+            return exec.submit(new Callable<List<PlayerAuth>>() {
-
                 public List<PlayerAuth> call() throws Exception {
                     return database.getAllAuths();
                 }
             }).get();
-        } catch (InterruptedException e1) {
+        } catch (Exception e) {
-            return (new ArrayList<PlayerAuth>());
+            return new ArrayList<>();
-        } catch (ExecutionException e1) {
-            return (new ArrayList<PlayerAuth>());
-        } finally {
-            executor.shutdown();
         }
-        return result;
     }
 
     @Override
     public List<PlayerAuth> getLoggedPlayers() {
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        List<PlayerAuth> result;
         try {
-            result = executor.submit(new Callable<List<PlayerAuth>>() {
+            return exec.submit(new Callable<List<PlayerAuth>>() {
-
                 public List<PlayerAuth> call() throws Exception {
                     return database.getLoggedPlayers();
                 }
             }).get();
-        } catch (InterruptedException e1) {
+        } catch (Exception e) {
-            return (new ArrayList<PlayerAuth>());
+            return new ArrayList<>();
-        } catch (ExecutionException e1) {
-            return (new ArrayList<PlayerAuth>());
-        } finally {
-            executor.shutdown();
         }
-        return result;
     }
 
 }

src/main/java/fr/xephi/authme/datasource/MySQL.java

@@ -235,14 +235,13 @@ public class MySQL implements DataSource {
         }
     }
 
-    @SuppressWarnings("resource")
     @Override
     public synchronized PlayerAuth getAuth(String user) {
         Connection con = null;
         PreparedStatement pst = null;
         ResultSet rs = null;
         PlayerAuth pAuth = null;
-        int id = -1;
+        int id;
         try {
             con = getConnection();
             pst = con.prepareStatement("SELECT * FROM " + tableName + " WHERE LOWER(" + columnName + ")=LOWER(?);");
@@ -1019,7 +1018,7 @@ public class MySQL implements DataSource {
 
     @Override
     public List<PlayerAuth> getAllAuths() {
-        List<PlayerAuth> auths = new ArrayList<PlayerAuth>();
+        List<PlayerAuth> auths = new ArrayList<>();
         Connection con = null;
         PreparedStatement pst = null;
         ResultSet rs = null;
@@ -1028,7 +1027,7 @@ public class MySQL implements DataSource {
             pst = con.prepareStatement("SELECT * FROM " + tableName + ";");
             rs = pst.executeQuery();
             while (rs.next()) {
-                PlayerAuth pAuth = null;
+                PlayerAuth pAuth;
                 int id = rs.getInt(columnID);
                 if (rs.getString(columnIp).isEmpty() && rs.getString(columnIp) != null) {
                     pAuth = new PlayerAuth(rs.getString(columnName), rs.getString(columnPassword), "192.168.0.1", rs.getLong(columnLastLogin), rs.getDouble(lastlocX), rs.getDouble(lastlocY), rs.getDouble(lastlocZ), rs.getString(lastlocWorld), rs.getString(columnEmail), rs.getString(columnRealName));
@@ -1052,11 +1051,9 @@ public class MySQL implements DataSource {
                         byte[] bytes = blob.getBytes(1, (int) blob.length());
                         pAuth.setHash(new String(bytes));
                     }
-                    if (rsid != null)
+                    rsid.close();
-                        rsid.close();
                 }
-                if (pAuth != null)
+                auths.add(pAuth);
-                    auths.add(pAuth);
             }
         } catch (Exception ex) {
             ConsoleLogger.showError(ex.getMessage());

src/main/java/fr/xephi/authme/process/Management.java

@@ -30,8 +30,7 @@ public class Management {
         this.pm = plugin.getServer().getPluginManager();
     }
 
-    public void performLogin(final Player player, final String password,
+    public void performLogin(final Player player, final String password, final boolean forceLogin) {
-            final boolean forceLogin) {
         Bukkit.getScheduler().runTaskAsynchronously(plugin, new Runnable() {
 
             @Override
@@ -41,8 +40,7 @@ public class Management {
         });
     }
 
-    public void performRegister(final Player player, final String password,
+    public void performRegister(final Player player, final String password, final String email) {
-            final String email) {
         Bukkit.getScheduler().runTaskAsynchronously(plugin, new Runnable() {
 
             @Override