Fix all last edge cases.

src/main/java/com/eu/habbo/habbohotel/commands/HotelAlertCommand.java

@@ -24,7 +24,8 @@ public class HotelAlertCommand extends Command {
             }
 
             ServerMessage msg = new StaffAlertWithLinkComposer(message + "\r\n-" + gameClient.getHabbo().getHabboInfo().getUsername(), "").compose();
-
+            msg.retain();
+            try {
                 for (Map.Entry<Integer, Habbo> set : Emulator.getGameEnvironment().getHabboManager().getOnlineHabbos().entrySet()) {
                     Habbo habbo = set.getValue();
                     if (habbo.getHabboStats().blockStaffAlerts)
@@ -32,7 +33,9 @@ public class HotelAlertCommand extends Command {
 
                     habbo.getClient().sendResponse(msg);
                 }
-
+            } finally {
+                msg.release();
+            }
         } else {
             gameClient.getHabbo().whisper(Emulator.getTexts().getValue("commands.error.cmd_ha.forgot_message"), RoomChatMessageBubbles.ALERT);
         }

src/main/java/com/eu/habbo/habbohotel/commands/ReloadRoomCommand.java

@@ -24,9 +24,14 @@ public class ReloadRoomCommand extends Command {
                 Emulator.getGameEnvironment().getRoomManager().unloadRoom(room);
                 room = Emulator.getGameEnvironment().getRoomManager().loadRoom(room.getId());
                 ServerMessage message = new ForwardToRoomComposer(room.getId()).compose();
+                message.retain();
+                try {
                     for (Habbo habbo : habbos) {
                         habbo.getClient().sendResponse(message);
                     }
+                } finally {
+                    message.release();
+                }
             }
         }, 100);
 

src/main/java/com/eu/habbo/habbohotel/gameclients/GameClientManager.java

@@ -134,23 +134,35 @@ public class GameClientManager {
 
 
     public void sendBroadcastResponse(ServerMessage message) {
+        message.retain();
+        try {
             for (GameClient client : this.clients.values()) {
                 client.sendResponse(message);
             }
+        } finally {
+            message.release();
+        }
     }
 
 
     public void sendBroadcastResponse(ServerMessage message, GameClient exclude) {
+        message.retain();
+        try {
             for (GameClient client : this.clients.values()) {
                 if (client.equals(exclude))
                     continue;
 
                 client.sendResponse(message);
             }
+        } finally {
+            message.release();
+        }
     }
 
 
     public void sendBroadcastResponse(ServerMessage message, String minPermission, GameClient exclude) {
+        message.retain();
+        try {
             for (GameClient client : this.clients.values()) {
                 if (client.equals(exclude))
                     continue;
@@ -161,5 +173,8 @@ public class GameClientManager {
                     }
                 }
             }
+        } finally {
+            message.release();
+        }
     }
 }

src/main/java/com/eu/habbo/habbohotel/rooms/Room.java

@@ -3115,6 +3115,15 @@ public class Room implements Comparable<Room>, ISerialize, Runnable {
 
         roomChatMessage.setMessage(trimmedMessage);
 
+        if (prefixMessage != null) {
+            prefixMessage.retain();
+        }
+
+        if (clearPrefixMessage != null) {
+            clearPrefixMessage.retain();
+        }
+
+        try {
             if (chatType == RoomChatType.WHISPER) {
                 if (roomChatMessage.getTargetHabbo() == null) {
                     return;
@@ -3200,6 +3209,15 @@ public class Room implements Comparable<Room>, ISerialize, Runnable {
                     message.release();
                 }
             }
+        } finally {
+            if (prefixMessage != null) {
+                prefixMessage.release();
+            }
+
+            if (clearPrefixMessage != null) {
+                clearPrefixMessage.release();
+            }
+        }
 
         if (chatType == RoomChatType.TALK || chatType == RoomChatType.SHOUT) {
             synchronized (this.currentBots) {

src/main/java/com/eu/habbo/habbohotel/users/HabboManager.java

@@ -179,11 +179,16 @@ public class HabboManager {
 
     public void sendPacketToHabbosWithPermission(ServerMessage message, String perm) {
         synchronized (this.onlineHabbos) {
+            message.retain();
+            try {
                 for (Habbo habbo : this.onlineHabbos.values()) {
                     if (habbo.hasPermission(perm)) {
                         habbo.getClient().sendResponse(message);
                     }
                 }
+            } finally {
+                message.release();
+            }
         }
     }
 

src/main/java/com/eu/habbo/messages/incoming/floorplaneditor/FloorPlanEditorSaveEvent.java

@@ -148,9 +148,14 @@ public class FloorPlanEditorSaveEvent extends MessageHandler {
                 Emulator.getGameEnvironment().getRoomManager().unloadRoom(room);
                 room = Emulator.getGameEnvironment().getRoomManager().loadRoom(room.getId());
                 ServerMessage message = new ForwardToRoomComposer(room.getId()).compose();
+                message.retain();
+                try {
                     for (Habbo habbo : habbos) {
                         habbo.getClient().sendResponse(message);
                     }
+                } finally {
+                    message.release();
+                }
             }
         }
     }

src/main/java/com/eu/habbo/messages/rcon/HotelAlert.java

@@ -25,6 +25,8 @@ public class HotelAlert extends RCONMessage<HotelAlert.JSONHotelAlert> {
         }
 
         if (serverMessage != null) {
+            serverMessage.retain();
+            try {
                 for (Map.Entry<Integer, Habbo> set : Emulator.getGameEnvironment().getHabboManager().getOnlineHabbos().entrySet()) {
                     Habbo habbo = set.getValue();
                     if (habbo.getHabboStats().blockStaffAlerts)
@@ -32,6 +34,9 @@ public class HotelAlert extends RCONMessage<HotelAlert.JSONHotelAlert> {
 
                     habbo.getClient().sendResponse(serverMessage);
                 }
+            } finally {
+                serverMessage.release();
+            }
         }
     }