--- a/net/minecraft/server/NetworkManager.java
+++ b/net/minecraft/server/NetworkManager.java
@@ -103,7 +103,7 @@
                     if (flag) {
                         NetworkManager.g.debug("Failed to sent packet", throwable);
                         this.sendPacket(new PacketPlayOutKickDisconnect(chatmessage), (future) -> {
-                            this.close(ichatbasecomponent);
+                            this.close(chatmessage); // CraftBukkit - decompile error
                         });
                         this.stopReading();
                     } else {
@@ -130,7 +130,7 @@
     }
 
     private static <T extends PacketListener> void a(Packet<T> packet, PacketListener packetlistener) {
-        packet.a(packetlistener);
+        packet.a((T) packetlistener); // CraftBukkit - decompile error
     }
 
     public void setPacketListener(PacketListener packetlistener) {
@@ -241,7 +241,7 @@
 
     public void close(IChatBaseComponent ichatbasecomponent) {
         if (this.channel.isOpen()) {
-            this.channel.close().awaitUninterruptibly();
+            this.channel.close(); // We can't wait as this may be called from an event loop.
             this.n = ichatbasecomponent;
         }