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Correctly Remove Classloaders, Avoid Loading Providers in /paper dumpplugins, Fix library lookup (#8938)

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This commit is contained in:
Owen1212055
2023-03-06 19:20:11 -05:00
parent 03c2f3b9db
commit 8d211062df
4 changed files with 83 additions and 27 deletions
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22
patches/api/Paper-Plugins.patch
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@@ -970,6 +970,14 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ * @return the plugin or null if it doesn't exist yet
+ */
+ @Nullable JavaPlugin getPlugin();
+
+ /**
+ * Get the plugin classloader group
+ * that is used by the underlying classloader
+ * @return classloader
+ */
+ @Nullable
+ PluginClassLoaderGroup getGroup();
+}
diff --git a/src/main/java/io/papermc/paper/plugin/provider/classloader/PaperClassLoaderStorage.java b/src/main/java/io/papermc/paper/plugin/provider/classloader/PaperClassLoaderStorage.java
new file mode 100644
@@ -1993,7 +2001,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
final PluginClassLoader loader;
try {
- loader = new PluginClassLoader(this, getClass().getClassLoader(), description, dataFolder, file, (libraryLoader != null) ? libraryLoader.createLoader(description) : null);
+ loader = new PluginClassLoader(getClass().getClassLoader(), description, dataFolder, file, (libraryLoader != null) ? libraryLoader.createLoader(description) : null, null); // Paper
+ loader = new PluginClassLoader(getClass().getClassLoader(), description, dataFolder, file, (libraryLoader != null) ? libraryLoader.createLoader(description) : null, null, null); // Paper
} catch (InvalidPluginException ex) {
throw ex;
} catch (Throwable ex) {
@@ -2051,6 +2059,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
private final Set<String> seenIllegalAccess = Collections.newSetFromMap(new ConcurrentHashMap<>());
+ private java.util.logging.Logger logger; // Paper - add field
+ private io.papermc.paper.plugin.provider.classloader.PluginClassLoaderGroup classLoaderGroup; // Paper
+ public io.papermc.paper.plugin.provider.entrypoint.DependencyContext dependencyContext; // Paper
static {
ClassLoader.registerAsParallelCapable();
@@ -2058,7 +2067,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
- PluginClassLoader(@NotNull final JavaPluginLoader loader, @Nullable final ClassLoader parent, @NotNull final PluginDescriptionFile description, @NotNull final File dataFolder, @NotNull final File file, @Nullable ClassLoader libraryLoader) throws IOException, InvalidPluginException, MalformedURLException {
+ @org.jetbrains.annotations.ApiStatus.Internal // Paper
+ public PluginClassLoader(@Nullable final ClassLoader parent, @NotNull final PluginDescriptionFile description, @NotNull final File dataFolder, @NotNull final File file, @Nullable ClassLoader libraryLoader, @Nullable JarFile jarFile) throws IOException, InvalidPluginException, MalformedURLException { // Paper // Paper - use JarFile provided by SpigotPluginProvider
+ public PluginClassLoader(@Nullable final ClassLoader parent, @NotNull final PluginDescriptionFile description, @NotNull final File dataFolder, @NotNull final File file, @Nullable ClassLoader libraryLoader, @Nullable JarFile jarFile, io.papermc.paper.plugin.provider.entrypoint.DependencyContext dependencyContext) throws IOException, InvalidPluginException, MalformedURLException { // Paper // Paper - use JarFile provided by SpigotPluginProvider
super(new URL[] {file.toURI().toURL()}, parent);
- Preconditions.checkArgument(loader != null, "Loader cannot be null");
+ this.loader = null; // Paper - pass null into loader field
@@ -2075,7 +2084,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+
+ // Paper start
+ this.classLoaderGroup = io.papermc.paper.plugin.provider.classloader.PaperClassLoaderStorage.instance().registerSpigotGroup(this); // Paper
+ this.dependencyContext = dependencyContext;
+ this.classLoaderGroup = io.papermc.paper.plugin.provider.classloader.PaperClassLoaderStorage.instance().registerSpigotGroup(this);
+ // Paper end
try {
Class<?> jarClass;
@@ -2210,6 +2220,12 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ org.bukkit.configuration.serialization.ConfigurationSerialization.unregisterClass(serializable);
+ }
}
+
+ @Override
+ public @Nullable io.papermc.paper.plugin.provider.classloader.PluginClassLoaderGroup getGroup() {
+ return this.classLoaderGroup;
+ }
+
+ // Paper end
}
diff --git a/src/test/java/io/papermc/paper/testing/TestServer.java b/src/test/java/io/papermc/paper/testing/TestServer.java