Paper/patches/server/0761-Log-when-the-async-catcher-is-tripped.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Wed, 25 Aug 2021 20:17:12 -0700
Subject: [PATCH] Log when the async catcher is tripped

The chunk system can swallow the exception given it's all
built with completablefuture, so ensure it is at least printed.

diff --git a/src/main/java/org/spigotmc/AsyncCatcher.java b/src/main/java/org/spigotmc/AsyncCatcher.java
index 7a23b56752f6733ee626a8b1e4c3b78591855c4e..54bd77934f58bed162574356d8e2b71dd01d6c9b 100644
--- a/src/main/java/org/spigotmc/AsyncCatcher.java
+++ b/src/main/java/org/spigotmc/AsyncCatcher.java
@@ -12,6 +12,7 @@ public class AsyncCatcher
     {
         if ( AsyncCatcher.enabled && Thread.currentThread() != MinecraftServer.getServer().serverThread )
         {
+            MinecraftServer.LOGGER.fatal("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable()); // Paper
             throw new IllegalStateException( "Asynchronous " + reason + "!" );
         }
     }