64 Zeilen
2.9 KiB
Diff
64 Zeilen
2.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 10 May 2020 22:16:17 -0400
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Subject: [PATCH] Wait for Async Tasks during shutdown
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Server.reload() had this logic to give time for tasks to shutdown,
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however shutdown did not...
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Adds a 5 second grace period for any async tasks to finish and warns
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if any are still running after that delay just as reload does.
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 096cbbeb42ea195f51e0d430aab2e989ea1aa065..9905dba12c6b3f584a6fab94517592b6d2c042f0 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -907,6 +907,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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// CraftBukkit start
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if (this.server != null) {
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this.server.disablePlugins();
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+ this.server.waitForAsyncTasksShutdown(); // Paper
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}
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// CraftBukkit end
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if (this.getConnection() != null) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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index 6b3597ed1ed20863658cc5ef363ded2c734c25aa..69e2be4906ec9cb2efaca51bda05b7e3bd8aee54 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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@@ -1001,6 +1001,35 @@ public final class CraftServer implements Server {
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org.spigotmc.WatchdogThread.hasStarted = true; // Paper - Disable watchdog early timeout on reload
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}
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+ // Paper start
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+ public void waitForAsyncTasksShutdown() {
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+ int pollCount = 0;
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+
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+ // Wait for at most 5 seconds for plugins to close their threads
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+ while (pollCount < 10*5 && getScheduler().getActiveWorkers().size() > 0) {
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+ try {
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+ Thread.sleep(100);
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+ } catch (InterruptedException e) {}
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+ pollCount++;
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+ }
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+
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+ List<BukkitWorker> overdueWorkers = getScheduler().getActiveWorkers();
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+ for (BukkitWorker worker : overdueWorkers) {
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+ Plugin plugin = worker.getOwner();
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+ String author = "<NoAuthorGiven>";
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+ if (plugin.getDescription().getAuthors().size() > 0) {
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+ author = plugin.getDescription().getAuthors().get(0);
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+ }
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+ getLogger().log(Level.SEVERE, String.format(
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+ "Nag author: '%s' of '%s' about the following: %s",
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+ author,
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+ plugin.getDescription().getName(),
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+ "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."
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+ ));
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+ }
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+ }
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+ // Paper end
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+
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@Override
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public void reloadData() {
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ReloadCommand.reload(console);
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