Add delay to bungee force-login messages

src/main/java/fr/xephi/authme/process/join/AsynchronousJoin.java

@@ -153,7 +153,13 @@ public class AsynchronousJoin implements AsynchronousProcess {
             });
 
             // Skip if registration is optional
-            bungeeSender.sendAuthMeBungeecordMessage(player, MessageType.LOGIN);
+
+            if (bungeeSender.isEnabled()) {
+                // As described at https://www.spigotmc.org/wiki/bukkit-bungee-plugin-messaging-channel/
+                // "Keep in mind that you can't send plugin messages directly after a player joins."
+                bukkitService.scheduleSyncDelayedTask(() ->
+                    bungeeSender.sendAuthMeBungeecordMessage(player, MessageType.LOGIN), 10L);
+            }
             return;
         }
 

src/main/java/fr/xephi/authme/process/login/AsynchronousLogin.java

@@ -300,7 +300,13 @@ public class AsynchronousLogin implements AsynchronousProcess {
             playerCache.updatePlayer(auth);
             dataSource.setLogged(name);
             sessionService.grantSession(name);
-            bungeeSender.sendAuthMeBungeecordMessage(player, MessageType.LOGIN);
+
+            if (bungeeSender.isEnabled()) {
+                // As described at https://www.spigotmc.org/wiki/bukkit-bungee-plugin-messaging-channel/
+                // "Keep in mind that you can't send plugin messages directly after a player joins."
+                bukkitService.scheduleSyncDelayedTask(() ->
+                    bungeeSender.sendAuthMeBungeecordMessage(player, MessageType.LOGIN), 10L);
+            }
 
             // As the scheduling executes the Task most likely after the current
             // task, we schedule it in the end

src/main/java/fr/xephi/authme/service/BukkitService.java

@@ -308,7 +308,7 @@ public class BukkitService implements SettingsDependent {
     }
 
     /**
-     * Adds a ban to the this list. If a previous ban exists, this will
+     * Adds a ban to the list. If a previous ban exists, this will
      * update the previous entry.
      *
      * @param ip the ip of the ban

src/main/java/fr/xephi/authme/service/bungeecord/BungeeReceiver.java

@@ -46,7 +46,7 @@ public class BungeeReceiver implements PluginMessageListener, SettingsDependent
             this.isEnabled = bukkitService.isBungeeCordConfiguredForSpigot().orElse(false);
         }
         if (this.isEnabled) {
-            Messenger messenger = plugin.getServer().getMessenger();
+            final Messenger messenger = plugin.getServer().getMessenger();
             if (!messenger.isIncomingChannelRegistered(plugin, "BungeeCord")) {
                 messenger.registerIncomingPluginChannel(plugin, "BungeeCord", this);
             }

src/main/java/fr/xephi/authme/service/bungeecord/BungeeSender.java

@@ -83,6 +83,7 @@ public class BungeeSender implements SettingsDependent {
         if (!isEnabled || destinationServerOnLogin.isEmpty()) {
             return;
         }
+        // Add a small delay, just in case...
         bukkitService.scheduleSyncDelayedTask(() ->
             sendBungeecordMessage(player, "Connect", destinationServerOnLogin), 5L);
     }