Fix concurrency issue, remove sqlite from Bungee version and fix join message

bungee/src/main/java/me/lucko/luckperms/BungeeConfig.java

@@ -41,17 +41,11 @@ public class BungeeConfig implements LPConfiguration {
         return cfg;
     }
 
-
     @Override
     public String getServer() {
         return configuration.getString("server", "bungee");
     }
 
-    @Override
-    public String getPrefix() {
-        return configuration.getString("prefix", "&7&l[&b&lL&a&lP&7&l] &c");
-    }
-
     @Override
     public int getSyncTime() {
         return configuration.getInt("sql.sync-minutes", 3);

bungee/src/main/java/me/lucko/luckperms/LPBungeePlugin.java

@@ -6,7 +6,6 @@ import me.lucko.luckperms.data.Datastore;
 import me.lucko.luckperms.data.MySQLConfiguration;
 import me.lucko.luckperms.data.methods.FlatfileDatastore;
 import me.lucko.luckperms.data.methods.MySQLDatastore;
-import me.lucko.luckperms.data.methods.SQLiteDatastore;
 import me.lucko.luckperms.groups.GroupManager;
 import me.lucko.luckperms.listeners.PlayerListener;
 import me.lucko.luckperms.runnables.UpdateTask;
@@ -15,7 +14,6 @@ import me.lucko.luckperms.users.UserManager;
 import me.lucko.luckperms.utils.LPConfiguration;
 import net.md_5.bungee.api.plugin.Plugin;
 
-import java.io.File;
 import java.util.UUID;
 import java.util.concurrent.TimeUnit;
 
@@ -48,15 +46,12 @@ public class LPBungeePlugin extends Plugin implements LuckPermsPlugin {
                     configuration.getDatabaseValue("username"),
                     configuration.getDatabaseValue("password")
             ));
-        } else if (storageMethod.equalsIgnoreCase("sqlite")) {
-            getLogger().info("Using SQLite as storage method.");
-            datastore = new SQLiteDatastore(this, new File(getDataFolder(), "luckperms.sqlite"));
         } else if (storageMethod.equalsIgnoreCase("flatfile")) {
             getLogger().info("Using Flatfile (JSON) as storage method.");
             datastore = new FlatfileDatastore(this, getDataFolder());
         } else {
-            getLogger().warning("Storage method '" + storageMethod + "' was not recognised. Using SQLite as fallback.");
-            datastore = new SQLiteDatastore(this, new File(getDataFolder(), "luckperms.sqlite"));
+            getLogger().warning("Storage method '" + storageMethod + "' was not recognised. Using Flatfile as fallback.");
+            datastore = new FlatfileDatastore(this, getDataFolder());
         }
 
         datastore.init();

bungee/src/main/java/me/lucko/luckperms/listeners/PlayerListener.java

@@ -11,6 +11,9 @@ import net.md_5.bungee.api.event.PostLoginEvent;
 import net.md_5.bungee.api.plugin.Listener;
 import net.md_5.bungee.event.EventHandler;
 
+import java.lang.ref.WeakReference;
+import java.util.concurrent.TimeUnit;
+
 @AllArgsConstructor
 public class PlayerListener implements Listener {
 
@@ -22,14 +25,21 @@ public class PlayerListener implements Listener {
 
         plugin.getDatastore().loadOrCreateUser(player.getUniqueId(), player.getName(), success -> {
             if (!success) {
-                e.getPlayer().sendMessage(new TextComponent(Util.color("&e&l[LP] &cPermissions data could not be loaded. Please contact an administrator.")));
+                WeakReference<ProxiedPlayer> p = new WeakReference<>(player);
+                plugin.getProxy().getScheduler().schedule(plugin, () -> {
+                    ProxiedPlayer pl = p.get();
+                    if (pl != null) {
+                        pl.sendMessage(new TextComponent(Util.color(Util.PREFIX + "Permissions data could not be loaded. Please contact an administrator.")));
+                    }
+                }, 3, TimeUnit.SECONDS);
+
             } else {
                 User user = plugin.getUserManager().getUser(player.getUniqueId());
                 user.refreshPermissions();
             }
         });
 
-        plugin.getDatastore().saveUUIDData(e.getPlayer().getName(), e.getPlayer().getUniqueId(), success -> {});
+        plugin.getDatastore().saveUUIDData(player.getName(), player.getUniqueId(), success -> {});
     }
 
     @EventHandler