diff --git a/patches/server/misc-debugging-dumps.patch b/patches/server/misc-debugging-dumps.patch
index c27cd1046d..e83b6d6c55 100644
--- a/patches/server/misc-debugging-dumps.patch
+++ b/patches/server/misc-debugging-dumps.patch
@@ -57,6 +57,22 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
          // Paper end
          this.running = false;
          if (flag) {
+diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
++++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+@@ -0,0 +0,0 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
+                 }
+             } catch (Exception exception) {
+                 TranslatableComponent chatmessage = new TranslatableComponent("multiplayer.disconnect.invalid_player_data");
++                // Paper start
++                if (MinecraftServer.getServer().isDebugging()) {
++                    exception.printStackTrace();
++                }
++                // Paper end
+ 
+                 this.connection.send(new ClientboundDisconnectPacket(chatmessage));
+                 this.connection.disconnect(chatmessage);
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java