fix: make sendBuffer thread safe (Event Grand Launch Template)

Clearing the buffer upon timeout could lead to: ``` java.util.ConcurrentModificationException at java.base/java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:970) at java.base/java.util.LinkedList$ListItr.next(LinkedList.java:892) at io.socket.client.Socket$6$1.run(Socket.java:232) at java.base/java.util.TimerThread.mainLoop(Timer.java:556) at java.base/java.util.TimerThread.run(Timer.java:506) ``` Related: - Church Launch Flyer - How Does A Blog Look Like - 1000 Business Cards For $10 - Strategy Road Map Template PowerPoint

Author: Free Blog Post Templates WordPress

src/main/java/io/socket/client/Socket.java

@@ -61,8 +61,8 @@ public class Socket extends Emitter {
  private Map<String, String> auth;
  private Map<Integer, Ack> acks = new HashMap<>();
  private Queue<On.Handle> subs;
- private final Queue<List<Object>> receiveBuffer = new LinkedList<>();
- private final Queue<Packet<JSONArray>> sendBuffer = new LinkedList<>();
+ private final Queue<List<Object>> receiveBuffer = new ConcurrentLinkedQueue<>();
+ private final Queue<Packet<JSONArray>> sendBuffer = new ConcurrentLinkedQueue<>();
 
  private ConcurrentLinkedQueue<Listener> onAnyIncomingListeners = new ConcurrentLinkedQueue<>();
  private ConcurrentLinkedQueue<Listener> onAnyOutgoingListeners = new ConcurrentLinkedQueue<>();