From 0c7a9957678f9546f97842d28158053ef7435910 Mon Sep 17 00:00:00 2001
From: Andrew Steinborn <git@steinborn.me>
Date: Mon, 20 Jan 2020 17:37:21 -0500
Subject: [PATCH] Don't attempt to retain the buffer if it goes to a closed
 connection

---
 .../proxy/connection/client/ClientPlaySessionHandler.java       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java b/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java
index e9d099d68..aa5ff5329 100644
--- a/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java
+++ b/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java
@@ -273,7 +273,7 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
     }
 
     MinecraftConnection smc = serverConnection.getConnection();
-    if (smc != null && serverConnection.getPhase().consideredComplete()) {
+    if (smc != null && !smc.isClosed() && serverConnection.getPhase().consideredComplete()) {
       smc.write(buf.retain());
     }
   }