Paper/Spigot-Server-Patches/0489-Wait-for-Async-Tasks-during-shutdown.patch
Aikar c0d07c1b67
Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appears 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:
f009c3dd SPIGOT-5810, SPIGOT-5835: 'Better' handling of Player.isOnGround
e677c370 Update ECJ version
5058a35d SPIGOT-5860: Item.setItemStack should be NotNull

CraftBukkit Changes:
d77f4d9b SPIGOT-5810, SPIGOT-5835: 'Better' handling of Player.isOnGround
53c95627 SPIGOT-5865: Piglin does not trigger EntityPickupItemEvent
2ab04d24 Update ECJ version
7884e079 SPIGOT-5868: Blocks do not tick in custom nether / end
2a848286 SPIGOT-5863: Don't check colour in scoreboard length validation
f2cbce30 SPIGOT-5866: Beehive unknown TargetReason

Spigot Changes:
ad703da0 SPIGOT-5870: /plugins "website" field shows "version"
1a27cfd8 #98: Improve output of /plugins command using text components
732d5bab Disable checkstyle in Spigot blocks
0199a9a6 #97: Add Memory Usage to Ticks Per Second Command.
33ea98fc SPIGOT-5858: NPE: Joining the server with an invalid dimension
2020-06-27 21:54:05 -04:00

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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 735beaf6fa6e6ccf2137b64a0b5179ada2907011..b474f45b6d551e45f8894b3971baade33b6ccd0f 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -772,6 +772,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
// CraftBukkit start
if (this.server != null) {
this.server.disablePlugins();
+ this.server.waitForAsyncTasksShutdown(); // Paper
}
// CraftBukkit end
if (this.getServerConnection() != null) {
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 9e4a67efff99301cceb796573a2cd1f3e0ec06cb..fe4302431ab15593bf8eae5cc09915994a6fd973 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -932,6 +932,35 @@ 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() {
CommandReload.reload(console);