Paper/patches/server/0440-Wait-for-Async-Tasks-during-shutdown.patch
Jake Potrebic 170382fe35
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#6245)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
e7b0f8d6 #642: Add Crafting methods to API
9e58831e SPIGOT-6641: Use varargs in sendMessage
e409fe49 SPIGOT-6545: Unable to set Guardian target via API while awareness is disabled
6997c726 SPIGOT-6661: Fix missing radius from GenericGameEvent
02d03f35 SPIGOT-6369: Add ItemStack to HangingPlaceEvent

CraftBukkit Changes:
0abf420c SPIGOT-6665: Shearing a Snowman does not drop a carved pumpkin
e8e3cbcc #893: Add Crafting methods to API
879acfee Fix missing varargs from previous commit
6572b9c3 SPIGOT-6641: Use varargs in sendMessage
9e06bb2a SPIGOT-6663: Chicken Jockeys chickens don't despawn
699f2d36 SPIGOT-6545: Unable to set Guardian target via API while awareness is disabled
8ffa54ba SPIGOT-6369: Add ItemStack to HangingPlaceEvent
c851639c SPIGOT-6645: Call EntityChangeBlockEvent before PlayerHarvestBlockEvent
8d244b0b SPIGOT-3725, SPIGOT-6638, MC-136917: Properly clear tile entities before replacing

Spigot Changes:
18c71bf4 Rebuild patches
2021-07-22 18:11:56 +00:00

64 lines
2.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 10 May 2020 22:16:17 -0400
Subject: [PATCH] Wait for Async Tasks during shutdown
Server.reload() had this logic to give time for tasks to shutdown,
however shutdown did not...
Adds a 5 second grace period for any async tasks to finish and warns
if any are still running after that delay just as reload does.
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 736cbb3430ba1d8c00ea43a80c978949108d8b6c..d285967a60903a73608a1f9cdc306e63066824ab 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -953,6 +953,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
// CraftBukkit start
if (this.server != null) {
this.server.disablePlugins();
+ this.server.waitForAsyncTasksShutdown(); // Paper
}
// CraftBukkit end
if (this.getConnection() != null) {
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 464cf287cf2bad787207f29946c97c9709a699e9..9dc9153bd53b0d1e63d0367498a99271821217e0 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -941,6 +941,35 @@ public final class CraftServer implements Server {
org.spigotmc.WatchdogThread.hasStarted = true; // Paper - Disable watchdog early timeout on reload
}
+ // Paper start
+ public void waitForAsyncTasksShutdown() {
+ int pollCount = 0;
+
+ // Wait for at most 5 seconds for plugins to close their threads
+ while (pollCount < 10*5 && getScheduler().getActiveWorkers().size() > 0) {
+ try {
+ Thread.sleep(100);
+ } catch (InterruptedException e) {}
+ pollCount++;
+ }
+
+ List<BukkitWorker> overdueWorkers = getScheduler().getActiveWorkers();
+ for (BukkitWorker worker : overdueWorkers) {
+ Plugin plugin = worker.getOwner();
+ String author = "<NoAuthorGiven>";
+ if (plugin.getDescription().getAuthors().size() > 0) {
+ author = plugin.getDescription().getAuthors().get(0);
+ }
+ getLogger().log(Level.SEVERE, String.format(
+ "Nag author: '%s' of '%s' about the following: %s",
+ author,
+ plugin.getDescription().getName(),
+ "This plugin is not properly shutting down its async tasks when it is being shut down. This task may throw errors during the final shutdown logs and might not complete before process dies."
+ ));
+ }
+ }
+ // Paper end
+
@Override
public void reloadData() {
ReloadCommand.reload(console);