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398f6983bd
Make "moved too quickly" limit configurable SpigotMC/Spigot@99a0a640e8 Undeprecate Player#updateInventory()V SpigotMC/Spigot@5c32e1cb48 Fetch complete profile for skull items, similarly to TileEntitySkull. SpigotMC/Spigot@33d758773e Move getDouble into the Spigot Configuration patch SpigotMC/Spigot@b5dd202af1 Add missing particle to particle API SpigotMC/Spigot@273c64bbad Log debug levels to the log file. SpigotMC/Spigot@348eae75f4 Fix PlayerItemDamageEvent (we already had this #badupstreamrelations) SpigotMC/Spigot@e207ea23cd Move hopper patch to top for PR180 SpigotMC/Spigot@abb775108d Don't be so spammy on Java 6 SpigotMC/Spigot@5abb82b1ca Apply NBTReadLimiter to more things SpigotMC/Spigot@408944e9f5
68 lines
3.6 KiB
Diff
68 lines
3.6 KiB
Diff
From b4437c2fd60590de97f4c03a74dc2651e45a5b66 Mon Sep 17 00:00:00 2001
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From: md_5 <git@md-5.net>
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Date: Wed, 16 Jul 2014 17:24:21 +1000
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Subject: [PATCH] Ease ClassLoader Deadlocks Where Possible
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When on Java 7 we can register the classloader as parallel capable to prevent deadlocks caused by certain scenarios. Due to the nature of PluginClassLoader this isn't completely safe, but we can make it safer by switching to concurrency focused collections. Either way this is far better than crashing the server.
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diff --git a/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java b/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
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index 6611342..a845e81 100644
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--- a/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
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+++ b/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
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@@ -48,7 +48,7 @@ import org.yaml.snakeyaml.error.YAMLException;
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public final class JavaPluginLoader implements PluginLoader {
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final Server server;
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private final Pattern[] fileFilters = new Pattern[] { Pattern.compile("\\.jar$"), };
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- private final Map<String, Class<?>> classes = new HashMap<String, Class<?>>();
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+ private final Map<String, Class<?>> classes = new java.util.concurrent.ConcurrentHashMap<String, Class<?>>(); // Spigot
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private final Map<String, PluginClassLoader> loaders = new LinkedHashMap<String, PluginClassLoader>();
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public static final CustomTimingsHandler pluginParentTimer = new CustomTimingsHandler("** Plugins"); // Spigot
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diff --git a/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java b/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java
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index 13f8633..4cffa13 100644
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--- a/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java
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+++ b/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java
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@@ -17,7 +17,7 @@ import org.bukkit.plugin.PluginDescriptionFile;
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*/
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final class PluginClassLoader extends URLClassLoader {
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private final JavaPluginLoader loader;
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- private final Map<String, Class<?>> classes = new HashMap<String, Class<?>>();
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+ private final Map<String, Class<?>> classes = new java.util.concurrent.ConcurrentHashMap<String, Class<?>>(); // Spigot
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private final PluginDescriptionFile description;
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private final File dataFolder;
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private final File file;
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@@ -25,6 +25,30 @@ final class PluginClassLoader extends URLClassLoader {
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private JavaPlugin pluginInit;
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private IllegalStateException pluginState;
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+ // Spigot Start
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+ static
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+ {
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+ try
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+ {
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+ java.lang.reflect.Method method = ClassLoader.class.getDeclaredMethod( "registerAsParallelCapable" );
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+ if ( method != null )
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+ {
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+ boolean oldAccessible = method.isAccessible();
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+ method.setAccessible( true );
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+ method.invoke( null );
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+ method.setAccessible( oldAccessible );
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+ org.bukkit.Bukkit.getLogger().log( java.util.logging.Level.INFO, "Set PluginClassLoader as parallel capable" );
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+ }
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+ } catch ( NoSuchMethodException ex )
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+ {
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+ // Ignore
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+ } catch ( Exception ex )
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+ {
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+ org.bukkit.Bukkit.getLogger().log( java.util.logging.Level.WARNING, "Error setting PluginClassLoader as parallel capable", ex );
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+ }
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+ }
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+ // Spigot End
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+
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PluginClassLoader(final JavaPluginLoader loader, final ClassLoader parent, final PluginDescriptionFile description, final File dataFolder, final File file) throws InvalidPluginException, MalformedURLException {
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super(new URL[] {file.toURI().toURL()}, parent);
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Validate.notNull(loader, "Loader cannot be null");
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--
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1.9.1
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