9a7ca3dbc5
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: 564ed152 #482: Add a DragonBattle API to manipulate respawn phases etc 9f2fd967 #474: Add ability to set other plugin names as provided API so others can still depend on it CraftBukkit Changes: fc318cc1 #642: Add a DragonBattle API to manipulate respawn phases etc 796eb15a #644: Fix ChunkMapDistance#removeAllTicketsFor not propagating ticket level updates a6f80937 SPIGOT-5606: call BlockRedstoneEvent for fence gates Spigot Changes: a03b1fdb Rebuild patches
144 lines
6.3 KiB
Diff
144 lines
6.3 KiB
Diff
From 889d1e3dc852de32f8f2e72ffde3f5917fa7dd5c Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Tue, 1 May 2018 21:33:35 -0400
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Subject: [PATCH] Close Plugin Class Loaders on Disable
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This should close more memory leaks from /reload and disabling plugins,
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by closing the class loader and the jar file.
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diff --git a/src/main/java/org/bukkit/plugin/PluginLoader.java b/src/main/java/org/bukkit/plugin/PluginLoader.java
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index a88733f1..6ab9cd82 100644
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--- a/src/main/java/org/bukkit/plugin/PluginLoader.java
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+++ b/src/main/java/org/bukkit/plugin/PluginLoader.java
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@@ -77,4 +77,18 @@ public interface PluginLoader {
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* @param plugin Plugin to disable
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*/
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public void disablePlugin(@NotNull Plugin plugin);
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+ // Paper start - close Classloader on disable
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+ /**
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+ * Disables the specified plugin
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+ * <p>
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+ * Attempting to disable a plugin that is not enabled will have no effect
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+ *
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+ * @param plugin Plugin to disable
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+ * @param closeClassloader if the classloader for the Plugin should be closed
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+ */
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+ // provide default to allow other PluginLoader implementations to work
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+ default public void disablePlugin(@NotNull Plugin plugin, boolean closeClassloader) {
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+ disablePlugin(plugin);
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+ }
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+ // Paper end - close Classloader on disable
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}
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diff --git a/src/main/java/org/bukkit/plugin/PluginManager.java b/src/main/java/org/bukkit/plugin/PluginManager.java
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index 41e26451..86cc5025 100644
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--- a/src/main/java/org/bukkit/plugin/PluginManager.java
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+++ b/src/main/java/org/bukkit/plugin/PluginManager.java
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@@ -161,6 +161,18 @@ public interface PluginManager {
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*/
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public void disablePlugin(@NotNull Plugin plugin);
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+ // Paper start - close Classloader on disable
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+ /**
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+ * Disables the specified plugin
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+ * <p>
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+ * Attempting to disable a plugin that is not enabled will have no effect
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+ *
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+ * @param plugin Plugin to disable
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+ * @param closeClassloader if the classloader for the Plugin should be closed
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+ */
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+ public void disablePlugin(@NotNull Plugin plugin, boolean closeClassloader);
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+ // Paper end - close Classloader on disable
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+
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/**
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* Gets a {@link Permission} from its fully qualified name
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*
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diff --git a/src/main/java/org/bukkit/plugin/SimplePluginManager.java b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
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index 8ddaf9c2..8bb24f73 100644
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--- a/src/main/java/org/bukkit/plugin/SimplePluginManager.java
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+++ b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
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@@ -492,17 +492,28 @@ public final class SimplePluginManager implements PluginManager {
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@Override
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public void disablePlugins() {
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+ disablePlugins(false);
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+ }
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+
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+ public void disablePlugins(boolean closeClassloaders) {
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+ // Paper end - close Classloader on disable
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Plugin[] plugins = getPlugins();
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for (int i = plugins.length - 1; i >= 0; i--) {
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- disablePlugin(plugins[i]);
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+ disablePlugin(plugins[i], closeClassloaders); // Paper - close Classloader on disable
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}
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}
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@Override
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public void disablePlugin(@NotNull final Plugin plugin) {
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+ disablePlugin(plugin, false);
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+ }
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+
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+ @Override
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+ public void disablePlugin(@NotNull final Plugin plugin, boolean closeClassloader) {
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+ // Paper end - close Classloader on disable
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if (plugin.isEnabled()) {
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try {
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- plugin.getPluginLoader().disablePlugin(plugin);
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+ plugin.getPluginLoader().disablePlugin(plugin, closeClassloader); // Paper - close Classloader on disable
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} catch (Throwable ex) {
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handlePluginException("Error occurred (in the plugin loader) while disabling "
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+ plugin.getDescription().getFullName() + " (Is it up to date?)", ex, plugin); // Paper
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@@ -557,7 +568,7 @@ public final class SimplePluginManager implements PluginManager {
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@Override
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public void clearPlugins() {
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synchronized (this) {
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- disablePlugins();
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+ disablePlugins(true); // Paper - close Classloader on disable
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plugins.clear();
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lookupNames.clear();
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dependencyGraph = GraphBuilder.directed().build();
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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 e72cbde4..32ec68b4 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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@@ -331,7 +331,7 @@ public final class JavaPluginLoader implements PluginLoader {
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} catch (Throwable ex) {
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server.getLogger().log(Level.SEVERE, "Error occurred while enabling " + plugin.getDescription().getFullName() + " (Is it up to date?)", ex);
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// Paper start - Disable plugins that fail to load
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- disablePlugin(jPlugin);
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+ server.getPluginManager().disablePlugin(jPlugin, true); // Paper - close Classloader on disable - She's dead jim
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return;
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// Paper end
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}
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@@ -344,6 +344,12 @@ public final class JavaPluginLoader implements PluginLoader {
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@Override
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public void disablePlugin(@NotNull Plugin plugin) {
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+ // Paper start - close Classloader on disable
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+ disablePlugin(plugin, false); // Retain old behavior unless requested
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+ }
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+
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+ public void disablePlugin(@NotNull Plugin plugin, boolean closeClassloader) {
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+ // Paper end - close Class Loader on disable
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Validate.isTrue(plugin instanceof JavaPlugin, "Plugin is not associated with this PluginLoader");
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if (plugin.isEnabled()) {
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@@ -370,6 +376,16 @@ public final class JavaPluginLoader implements PluginLoader {
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for (String name : names) {
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removeClass(name);
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}
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+ // Paper start - close Class Loader on disable
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+ try {
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+ if (closeClassloader) {
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+ loader.close();
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+ }
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+ } catch (IOException e) {
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+ server.getLogger().log(Level.WARNING, "Error closing the Plugin Class Loader for " + plugin.getDescription().getFullName());
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+ e.printStackTrace();
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+ }
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+ // Paper end
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}
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}
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}
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--
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2.26.0
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