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Code Issues Projects Releases Wiki Activity

SPIGOT-5548: Show error that hints towards plugins misusing reflection

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By: md_5 <git@md-5.net>
This commit is contained in:
Bukkit/Spigot 2020-01-28 08:46:14 +11:00
parent ffa5a5dba7
commit 109958b9e6
1 changed files with 4 additions and 2 deletions
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6
paper-api/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java
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@ -1,5 +1,6 @@
package org.bukkit.plugin.java;
import com.google.common.base.Preconditions;
import com.google.common.io.ByteStreams;
import java.io.File;
import java.io.IOException;
@ -9,8 +10,8 @@ import java.net.URL;
import java.net.URLClassLoader;
import java.security.CodeSigner;
import java.security.CodeSource;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
@ -39,7 +40,7 @@ final class PluginClassLoader extends URLClassLoader {
final JavaPlugin plugin;
private JavaPlugin pluginInit;
private IllegalStateException pluginState;
private final Set<String> seenIllegalAccess = new HashSet<>();
private final Set<String> seenIllegalAccess = Collections.newSetFromMap(new ConcurrentHashMap<>());
static {
ClassLoader.registerAsParallelCapable();
@ -107,6 +108,7 @@ final class PluginClassLoader extends URLClassLoader {
if (result != null) {
JavaPlugin provider = ((PluginClassLoader) result.getClassLoader()).plugin;
Preconditions.checkState(provider != null, "Globally provided class %s has no plugin. Perhaps broken reflection is in use.", name);
String providerName = provider.getName();
if (provider != plugin