Allow use of TYPE_USE annotations
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317 changed files with 56 additions and 27 deletions
141
patches/api/0101-Close-Plugin-Class-Loaders-on-Disable.patch
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141
patches/api/0101-Close-Plugin-Class-Loaders-on-Disable.patch
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From 0000000000000000000000000000000000000000 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 a88733f1cd1ddb5d85ab1b0e6af4fd5b80bbc1c6..6ab9cd8213cbe35943748dcf42948d5fc048c84c 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 41e26451fe12d8e6e0ef73c85731b24b4e3f200c..86cc5025ad98f7a752c51713b7cd6a39d5136ecc 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 2d27dfb859c312d46a14d0356c7c3f227e965a67..892ec4b43cc97a235df0819d30391a8a3770cbcb 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 79ac529017aac059d13fe342f279e9c8faeba599..816c2b1797447ab315ceb6eda89d25f27d2bce98 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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@@ -322,7 +322,7 @@ 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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@@ -335,6 +335,12 @@ 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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@@ -367,6 +373,16 @@ public final class JavaPluginLoader implements PluginLoader {
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} catch (IOException ex) {
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//
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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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