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Mirror von https://github.com/PaperMC/Paper.git synchronisiert 2024-11-15 04:20:04 +01:00
Paper/patches/server/0391-Deobfuscate-stacktraces-in-log-messages-crash-report.patch
Nassim Jahnke c0936a71bd
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9440)
Upstream has released updates that appear 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:
01aa02eb PR-858: Add LivingEntity#playHurtAnimation()
9421320f PR-884: Refinements to new ban API for improved compatibility and correctness
37a60b45 SPIGOT-6455, SPIGOT-7030, PR-750: Improve ban API
4eeb174b All smithing inventories are now the new smithing inventory
f2bb168e PR-880: Add methods to get/set FallingBlock CancelDrop
e7a807fa PR-879: Add Player#sendHealthUpdate()
692b8e96 SPIGOT-7370: Remove float value conversion in plugin.yml
2d033390 SPIGOT-7403: Add direct API for waxed signs
16a08373 PR-876: Add missing Raider API and 'no action ticks'

CraftBukkit Changes:
b60a95c8c PR-1189: Add LivingEntity#playHurtAnimation()
95c335c63 PR-1226: Fix VehicleEnterEvent not being called for certain entities
0a0fc3bee PR-1227: Refinements to new ban API for improved compatibility and correctness
0d0b1e5dc Revert bad change to PathfinderGoalSit causing all cats to sit
648196070 SPIGOT-6455, SPIGOT-7030, PR-1054: Improve ban API
31fe848d6 All smithing inventories are now the new smithing inventory
9a919a143 SPIGOT-7416: SmithItemEvent not firing in Smithing Table
9f64f0d22 PR-1221: Add methods to get/set FallingBlock CancelDrop
3be9ac171 PR-1220: Add Player#sendHealthUpdate()
c1279f775 PR-1209: Clean up various patches
c432e4397 Fix Raider#setCelebrating() implementation
504d96665 SPIGOT-7403: Add direct API for waxed signs
c68c1f1b3 PR-1216: Add missing Raider API and 'no action ticks'
85b89c3dd Increase outdated build delay

Spigot Changes:
9ebce8af Rebuild patches
64b565e6 Rebuild patches
2023-07-04 10:22:56 +02:00

685 Zeilen
35 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Sun, 20 Jun 2021 18:19:09 -0700
Subject: [PATCH] Deobfuscate stacktraces in log messages, crash reports, and
etc.
diff --git a/build.gradle.kts b/build.gradle.kts
index 527e39bcd6aea7560b5d8ef37377c2f37da5c1ca..e2e7fe74095b83f2ac12f8054dd91b38ffcc32e7 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -37,6 +37,7 @@ dependencies {
testImplementation("org.mockito:mockito-core:4.9.0") // Paper - switch to mockito
implementation("org.spongepowered:configurate-yaml:4.1.2") // Paper - config files
implementation("commons-lang:commons-lang:2.6")
+ implementation("net.fabricmc:mapping-io:0.3.0") // Paper - needed to read mappings for stacktrace deobfuscation
runtimeOnly("org.xerial:sqlite-jdbc:3.42.0.0")
runtimeOnly("com.mysql:mysql-connector-j:8.0.33")
runtimeOnly("com.lmax:disruptor:3.4.4") // Paper
@@ -121,6 +122,18 @@ tasks.check {
}
// Paper end
+// Paper start - include reobf mappings in jar for stacktrace deobfuscation
+val includeMappings = tasks.register<io.papermc.paperweight.tasks.IncludeMappings>("includeMappings") {
+ inputJar.set(tasks.fixJarForReobf.flatMap { it.outputJar })
+ mappings.set(tasks.reobfJar.flatMap { it.mappingsFile })
+ mappingsDest.set("META-INF/mappings/reobf.tiny")
+}
+
+tasks.reobfJar {
+ inputJar.set(includeMappings.flatMap { it.outputJar })
+}
+// Paper end - include reobf mappings in jar for stacktrace deobfuscation
+
tasks.test {
exclude("org/bukkit/craftbukkit/inventory/ItemStack*Test.class")
}
diff --git a/src/log4jPlugins/java/io/papermc/paper/logging/StacktraceDeobfuscatingRewritePolicy.java b/src/log4jPlugins/java/io/papermc/paper/logging/StacktraceDeobfuscatingRewritePolicy.java
new file mode 100644
index 0000000000000000000000000000000000000000..66b6011ee3684695b2ab9292961c80bf2a420ee9
--- /dev/null
+++ b/src/log4jPlugins/java/io/papermc/paper/logging/StacktraceDeobfuscatingRewritePolicy.java
@@ -0,0 +1,66 @@
+package io.papermc.paper.logging;
+
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.VarHandle;
+import org.apache.logging.log4j.core.Core;
+import org.apache.logging.log4j.core.LogEvent;
+import org.apache.logging.log4j.core.appender.rewrite.RewritePolicy;
+import org.apache.logging.log4j.core.config.plugins.Plugin;
+import org.apache.logging.log4j.core.config.plugins.PluginFactory;
+import org.apache.logging.log4j.core.impl.Log4jLogEvent;
+import org.checkerframework.checker.nullness.qual.NonNull;
+
+@Plugin(
+ name = "StacktraceDeobfuscatingRewritePolicy",
+ category = Core.CATEGORY_NAME,
+ elementType = "rewritePolicy",
+ printObject = true
+)
+public final class StacktraceDeobfuscatingRewritePolicy implements RewritePolicy {
+ private static final MethodHandle DEOBFUSCATE_THROWABLE;
+
+ static {
+ try {
+ final Class<?> cls = Class.forName("io.papermc.paper.util.StacktraceDeobfuscator");
+ final MethodHandles.Lookup lookup = MethodHandles.lookup();
+ final VarHandle instanceHandle = lookup.findStaticVarHandle(cls, "INSTANCE", cls);
+ final Object deobfuscator = instanceHandle.get();
+ DEOBFUSCATE_THROWABLE = lookup
+ .unreflect(cls.getDeclaredMethod("deobfuscateThrowable", Throwable.class))
+ .bindTo(deobfuscator);
+ } catch (final ReflectiveOperationException ex) {
+ throw new IllegalStateException(ex);
+ }
+ }
+
+ private StacktraceDeobfuscatingRewritePolicy() {
+ }
+
+ @Override
+ public @NonNull LogEvent rewrite(final @NonNull LogEvent rewrite) {
+ final Throwable thrown = rewrite.getThrown();
+ if (thrown != null) {
+ deobfuscateThrowable(thrown);
+ return new Log4jLogEvent.Builder(rewrite)
+ .setThrownProxy(null)
+ .build();
+ }
+ return rewrite;
+ }
+
+ private static void deobfuscateThrowable(final Throwable thrown) {
+ try {
+ DEOBFUSCATE_THROWABLE.invoke(thrown);
+ } catch (final Error e) {
+ throw e;
+ } catch (final Throwable e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ @PluginFactory
+ public static @NonNull StacktraceDeobfuscatingRewritePolicy createPolicy() {
+ return new StacktraceDeobfuscatingRewritePolicy();
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/io/SyncLoadFinder.java b/src/main/java/com/destroystokyo/paper/io/SyncLoadFinder.java
index 0bb4aaa546939b67a5d22865190f30478a9337c1..d3e619655382e50e9ac9323ed942502d85c9599c 100644
--- a/src/main/java/com/destroystokyo/paper/io/SyncLoadFinder.java
+++ b/src/main/java/com/destroystokyo/paper/io/SyncLoadFinder.java
@@ -91,7 +91,7 @@ public class SyncLoadFinder {
final JsonArray traces = new JsonArray();
- for (StackTraceElement element : pair.getFirst().stacktrace) {
+ for (StackTraceElement element : io.papermc.paper.util.StacktraceDeobfuscator.INSTANCE.deobfuscateStacktrace(pair.getFirst().stacktrace)) {
traces.add(String.valueOf(element));
}
diff --git a/src/main/java/io/papermc/paper/util/ObfHelper.java b/src/main/java/io/papermc/paper/util/ObfHelper.java
new file mode 100644
index 0000000000000000000000000000000000000000..b8b17d046f836c8652ab094db00ab1af84971b2c
--- /dev/null
+++ b/src/main/java/io/papermc/paper/util/ObfHelper.java
@@ -0,0 +1,146 @@
+package io.papermc.paper.util;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+import net.fabricmc.mappingio.MappingReader;
+import net.fabricmc.mappingio.format.MappingFormat;
+import net.fabricmc.mappingio.tree.MappingTree;
+import net.fabricmc.mappingio.tree.MemoryMappingTree;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public enum ObfHelper {
+ INSTANCE;
+
+ public static final String MOJANG_PLUS_YARN_NAMESPACE = "mojang+yarn";
+ public static final String SPIGOT_NAMESPACE = "spigot";
+
+ private final @Nullable Map<String, ClassMapping> mappingsByObfName;
+ private final @Nullable Map<String, ClassMapping> mappingsByMojangName;
+
+ ObfHelper() {
+ final @Nullable Set<ClassMapping> maps = loadMappingsIfPresent();
+ if (maps != null) {
+ this.mappingsByObfName = maps.stream().collect(Collectors.toUnmodifiableMap(ClassMapping::obfName, map -> map));
+ this.mappingsByMojangName = maps.stream().collect(Collectors.toUnmodifiableMap(ClassMapping::mojangName, map -> map));
+ } else {
+ this.mappingsByObfName = null;
+ this.mappingsByMojangName = null;
+ }
+ }
+
+ public @Nullable Map<String, ClassMapping> mappingsByObfName() {
+ return this.mappingsByObfName;
+ }
+
+ public @Nullable Map<String, ClassMapping> mappingsByMojangName() {
+ return this.mappingsByMojangName;
+ }
+
+ /**
+ * Attempts to get the obf name for a given class by its Mojang name. Will
+ * return the input string if mappings are not present.
+ *
+ * @param fullyQualifiedMojangName fully qualified class name (dotted)
+ * @return mapped or original fully qualified (dotted) class name
+ */
+ public String reobfClassName(final String fullyQualifiedMojangName) {
+ if (this.mappingsByMojangName == null) {
+ return fullyQualifiedMojangName;
+ }
+
+ final ClassMapping map = this.mappingsByMojangName.get(fullyQualifiedMojangName);
+ if (map == null) {
+ return fullyQualifiedMojangName;
+ }
+
+ return map.obfName();
+ }
+
+ /**
+ * Attempts to get the Mojang name for a given class by its obf name. Will
+ * return the input string if mappings are not present.
+ *
+ * @param fullyQualifiedObfName fully qualified class name (dotted)
+ * @return mapped or original fully qualified (dotted) class name
+ */
+ public String deobfClassName(final String fullyQualifiedObfName) {
+ if (this.mappingsByObfName == null) {
+ return fullyQualifiedObfName;
+ }
+
+ final ClassMapping map = this.mappingsByObfName.get(fullyQualifiedObfName);
+ if (map == null) {
+ return fullyQualifiedObfName;
+ }
+
+ return map.mojangName();
+ }
+
+ private static @Nullable Set<ClassMapping> loadMappingsIfPresent() {
+ try (final @Nullable InputStream mappingsInputStream = ObfHelper.class.getClassLoader().getResourceAsStream("META-INF/mappings/reobf.tiny")) {
+ if (mappingsInputStream == null) {
+ return null;
+ }
+ final MemoryMappingTree tree = new MemoryMappingTree();
+ MappingReader.read(new InputStreamReader(mappingsInputStream, StandardCharsets.UTF_8), MappingFormat.TINY_2, tree);
+ final Set<ClassMapping> classes = new HashSet<>();
+
+ final StringPool pool = new StringPool();
+ for (final MappingTree.ClassMapping cls : tree.getClasses()) {
+ final Map<String, String> methods = new HashMap<>();
+
+ for (final MappingTree.MethodMapping methodMapping : cls.getMethods()) {
+ methods.put(
+ pool.string(methodKey(
+ methodMapping.getName(SPIGOT_NAMESPACE),
+ methodMapping.getDesc(SPIGOT_NAMESPACE)
+ )),
+ pool.string(methodMapping.getName(MOJANG_PLUS_YARN_NAMESPACE))
+ );
+ }
+
+ final ClassMapping map = new ClassMapping(
+ cls.getName(SPIGOT_NAMESPACE).replace('/', '.'),
+ cls.getName(MOJANG_PLUS_YARN_NAMESPACE).replace('/', '.'),
+ Map.copyOf(methods)
+ );
+ classes.add(map);
+ }
+
+ return Set.copyOf(classes);
+ } catch (final IOException ex) {
+ System.err.println("Failed to load mappings for stacktrace deobfuscation.");
+ ex.printStackTrace();
+ return null;
+ }
+ }
+
+ public static String methodKey(final String obfName, final String obfDescriptor) {
+ return obfName + obfDescriptor;
+ }
+
+ private static final class StringPool {
+ private final Map<String, String> pool = new HashMap<>();
+
+ public String string(final String string) {
+ return this.pool.computeIfAbsent(string, Function.identity());
+ }
+ }
+
+ public record ClassMapping(
+ String obfName,
+ String mojangName,
+ Map<String, String> methodsByObf
+ ) {}
+}
diff --git a/src/main/java/io/papermc/paper/util/StacktraceDeobfuscator.java b/src/main/java/io/papermc/paper/util/StacktraceDeobfuscator.java
new file mode 100644
index 0000000000000000000000000000000000000000..eb910d4abf91488fa7cf1f5d47e0ee916c47f512
--- /dev/null
+++ b/src/main/java/io/papermc/paper/util/StacktraceDeobfuscator.java
@@ -0,0 +1,163 @@
+package io.papermc.paper.util;
+
+import io.papermc.paper.configuration.GlobalConfiguration;
+import it.unimi.dsi.fastutil.ints.IntArrayList;
+import it.unimi.dsi.fastutil.ints.IntList;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.checkerframework.framework.qual.DefaultQualifier;
+import org.objectweb.asm.ClassReader;
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.Label;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+
+@DefaultQualifier(NonNull.class)
+public enum StacktraceDeobfuscator {
+ INSTANCE;
+
+ private final Map<Class<?>, Map<String, IntList>> lineMapCache = Collections.synchronizedMap(new LinkedHashMap<>(128, 0.75f, true) {
+ @Override
+ protected boolean removeEldestEntry(final Map.Entry<Class<?>, Map<String, IntList>> eldest) {
+ return this.size() > 127;
+ }
+ });
+
+ public void deobfuscateThrowable(final Throwable throwable) {
+ if (GlobalConfiguration.get() != null && !GlobalConfiguration.get().logging.deobfuscateStacktraces) { // handle null as true
+ return;
+ }
+
+ throwable.setStackTrace(this.deobfuscateStacktrace(throwable.getStackTrace()));
+ final Throwable cause = throwable.getCause();
+ if (cause != null) {
+ this.deobfuscateThrowable(cause);
+ }
+ for (final Throwable suppressed : throwable.getSuppressed()) {
+ this.deobfuscateThrowable(suppressed);
+ }
+ }
+
+ public StackTraceElement[] deobfuscateStacktrace(final StackTraceElement[] traceElements) {
+ if (GlobalConfiguration.get() != null && !GlobalConfiguration.get().logging.deobfuscateStacktraces) { // handle null as true
+ return traceElements;
+ }
+
+ final @Nullable Map<String, ObfHelper.ClassMapping> mappings = ObfHelper.INSTANCE.mappingsByObfName();
+ if (mappings == null || traceElements.length == 0) {
+ return traceElements;
+ }
+ final StackTraceElement[] result = new StackTraceElement[traceElements.length];
+ for (int i = 0; i < traceElements.length; i++) {
+ final StackTraceElement element = traceElements[i];
+
+ final String className = element.getClassName();
+ final String methodName = element.getMethodName();
+
+ final ObfHelper.ClassMapping classMapping = mappings.get(className);
+ if (classMapping == null) {
+ result[i] = element;
+ continue;
+ }
+
+ final Class<?> clazz;
+ try {
+ clazz = Class.forName(className);
+ } catch (final ClassNotFoundException ex) {
+ throw new RuntimeException(ex);
+ }
+ final @Nullable String methodKey = this.determineMethodForLine(clazz, element.getLineNumber());
+ final @Nullable String mappedMethodName = methodKey == null ? null : classMapping.methodsByObf().get(methodKey);
+
+ result[i] = new StackTraceElement(
+ element.getClassLoaderName(),
+ element.getModuleName(),
+ element.getModuleVersion(),
+ classMapping.mojangName(),
+ mappedMethodName != null ? mappedMethodName : methodName,
+ sourceFileName(classMapping.mojangName()),
+ element.getLineNumber()
+ );
+ }
+ return result;
+ }
+
+ private @Nullable String determineMethodForLine(final Class<?> clazz, final int lineNumber) {
+ final Map<String, IntList> lineMap = this.lineMapCache.computeIfAbsent(clazz, StacktraceDeobfuscator::buildLineMap);
+ for (final var entry : lineMap.entrySet()) {
+ final String methodKey = entry.getKey();
+ final IntList lines = entry.getValue();
+ for (int i = 0, linesSize = lines.size(); i < linesSize; i++) {
+ final int num = lines.getInt(i);
+ if (num == lineNumber) {
+ return methodKey;
+ }
+ }
+ }
+ return null;
+ }
+
+ private static String sourceFileName(final String fullClassName) {
+ final int dot = fullClassName.lastIndexOf('.');
+ final String className = dot == -1
+ ? fullClassName
+ : fullClassName.substring(dot + 1);
+ final String rootClassName = className.split("\\$")[0];
+ return rootClassName + ".java";
+ }
+
+ private static Map<String, IntList> buildLineMap(final Class<?> key) {
+ final Map<String, IntList> lineMap = new HashMap<>();
+ final class LineCollectingMethodVisitor extends MethodVisitor {
+ private final IntList lines = new IntArrayList();
+ private final String name;
+ private final String descriptor;
+
+ LineCollectingMethodVisitor(String name, String descriptor) {
+ super(Opcodes.ASM9);
+ this.name = name;
+ this.descriptor = descriptor;
+ }
+
+ @Override
+ public void visitLineNumber(int line, Label start) {
+ super.visitLineNumber(line, start);
+ this.lines.add(line);
+ }
+
+ @Override
+ public void visitEnd() {
+ super.visitEnd();
+ lineMap.put(ObfHelper.methodKey(this.name, this.descriptor), this.lines);
+ }
+ }
+ final ClassVisitor classVisitor = new ClassVisitor(Opcodes.ASM9) {
+ @Override
+ public MethodVisitor visitMethod(int access, String name, String descriptor, String signature, String[] exceptions) {
+ return new LineCollectingMethodVisitor(name, descriptor);
+ }
+ };
+ try {
+ final @Nullable InputStream inputStream = StacktraceDeobfuscator.class.getClassLoader()
+ .getResourceAsStream(key.getName().replace('.', '/') + ".class");
+ if (inputStream == null) {
+ throw new IllegalStateException("Could not find class file: " + key.getName());
+ }
+ final byte[] classData;
+ try (inputStream) {
+ classData = inputStream.readAllBytes();
+ }
+ final ClassReader reader = new ClassReader(classData);
+ reader.accept(classVisitor, 0);
+ } catch (final IOException ex) {
+ throw new RuntimeException(ex);
+ }
+ return lineMap;
+ }
+}
diff --git a/src/main/java/io/papermc/paper/util/TraceUtil.java b/src/main/java/io/papermc/paper/util/TraceUtil.java
index 2d5494d2813b773e60ddba6790b750a9a08f21f8..0b210bdf7c1f5962afbd44195af6f84f625635e3 100644
--- a/src/main/java/io/papermc/paper/util/TraceUtil.java
+++ b/src/main/java/io/papermc/paper/util/TraceUtil.java
@@ -6,13 +6,20 @@ public final class TraceUtil {
public static void dumpTraceForThread(Thread thread, String reason) {
Bukkit.getLogger().warning(thread.getName() + ": " + reason);
- StackTraceElement[] trace = thread.getStackTrace();
+ StackTraceElement[] trace = StacktraceDeobfuscator.INSTANCE.deobfuscateStacktrace(thread.getStackTrace());
for (StackTraceElement traceElement : trace) {
Bukkit.getLogger().warning("\tat " + traceElement);
}
}
public static void dumpTraceForThread(String reason) {
- new Throwable(reason).printStackTrace();
+ final Throwable throwable = new Throwable(reason);
+ StacktraceDeobfuscator.INSTANCE.deobfuscateThrowable(throwable);
+ throwable.printStackTrace();
+ }
+
+ public static void printStackTrace(Throwable thr) {
+ StacktraceDeobfuscator.INSTANCE.deobfuscateThrowable(thr);
+ thr.printStackTrace();
}
}
diff --git a/src/main/java/net/minecraft/CrashReport.java b/src/main/java/net/minecraft/CrashReport.java
index 30a58229aa6dac5039511d0c0df5f2912ea7de9f..abe37c7c3c6f5ab73afd738ec78f06d7e4d2ed96 100644
--- a/src/main/java/net/minecraft/CrashReport.java
+++ b/src/main/java/net/minecraft/CrashReport.java
@@ -32,6 +32,7 @@ public class CrashReport {
private final SystemReport systemReport = new SystemReport();
public CrashReport(String message, Throwable cause) {
+ io.papermc.paper.util.StacktraceDeobfuscator.INSTANCE.deobfuscateThrowable(cause); // Paper
this.title = message;
this.exception = cause;
this.systemReport.setDetail("CraftBukkit Information", new org.bukkit.craftbukkit.CraftCrashReport()); // CraftBukkit
diff --git a/src/main/java/net/minecraft/CrashReportCategory.java b/src/main/java/net/minecraft/CrashReportCategory.java
index 52eb3176437113f9a0ff85d10ce5c2415e1b5570..b54ddd0ba0b001fbcb1838a838ca4890df936f1b 100644
--- a/src/main/java/net/minecraft/CrashReportCategory.java
+++ b/src/main/java/net/minecraft/CrashReportCategory.java
@@ -104,6 +104,7 @@ public class CrashReportCategory {
} else {
this.stackTrace = new StackTraceElement[stackTraceElements.length - 3 - ignoredCallCount];
System.arraycopy(stackTraceElements, 3 + ignoredCallCount, this.stackTrace, 0, this.stackTrace.length);
+ this.stackTrace = io.papermc.paper.util.StacktraceDeobfuscator.INSTANCE.deobfuscateStacktrace(this.stackTrace); // Paper
return this.stackTrace.length;
}
}
diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index 99d5fd192a4cf1ac2739520a111b8dd854ff2f57..dc3dea801a673462e767ad37268ec77ac95d214c 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -64,13 +64,13 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
});
public static final AttributeKey<ConnectionProtocol> ATTRIBUTE_PROTOCOL = AttributeKey.valueOf("protocol");
public static final LazyLoadedValue<NioEventLoopGroup> NETWORK_WORKER_GROUP = new LazyLoadedValue<>(() -> {
- return new NioEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Client IO #%d").setDaemon(true).build());
+ return new NioEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Client IO #%d").setDaemon(true).setUncaughtExceptionHandler(new net.minecraft.DefaultUncaughtExceptionHandlerWithName(LOGGER)).build()); // Paper
});
public static final LazyLoadedValue<EpollEventLoopGroup> NETWORK_EPOLL_WORKER_GROUP = new LazyLoadedValue<>(() -> {
- return new EpollEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Epoll Client IO #%d").setDaemon(true).build());
+ return new EpollEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Epoll Client IO #%d").setDaemon(true).setUncaughtExceptionHandler(new net.minecraft.DefaultUncaughtExceptionHandlerWithName(LOGGER)).build()); // Paper
});
public static final LazyLoadedValue<DefaultEventLoopGroup> LOCAL_WORKER_GROUP = new LazyLoadedValue<>(() -> {
- return new DefaultEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Local Client IO #%d").setDaemon(true).build());
+ return new DefaultEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Local Client IO #%d").setDaemon(true).setUncaughtExceptionHandler(new net.minecraft.DefaultUncaughtExceptionHandlerWithName(LOGGER)).build()); // Paper
});
private final PacketFlow receiving;
private final Queue<Connection.PacketHolder> queue = Queues.newConcurrentLinkedQueue();
@@ -205,7 +205,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
}
}
- if (net.minecraft.server.MinecraftServer.getServer().isDebugging()) throwable.printStackTrace(); // Spigot
+ if (net.minecraft.server.MinecraftServer.getServer().isDebugging()) io.papermc.paper.util.TraceUtil.printStackTrace(throwable); // Spigot // Paper
}
protected void channelRead0(ChannelHandlerContext channelhandlercontext, Packet<?> packet) {
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index aaad6b0de19872c6e54591adf90c30d2c2ed5223..6a4c7783146ff6b6703e9ae814134a8d1086cf7f 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -195,6 +195,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
org.spigotmc.SpigotConfig.registerCommands();
// Spigot end
// Paper start
+ io.papermc.paper.util.ObfHelper.INSTANCE.getClass(); // Paper - load mappings for stacktrace deobf and etc.
paperConfigurations.initializeGlobalConfiguration();
paperConfigurations.initializeWorldDefaultsConfiguration();
org.spigotmc.WatchdogThread.doStart(org.spigotmc.SpigotConfig.timeoutTime, org.spigotmc.SpigotConfig.restartOnCrash);
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 2838e035204e95defce0d7488248b2e57bf71fab..e96890be7f03b7cc846fe850d4169e09b5d40eab 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -221,7 +221,9 @@ public class ServerLevel extends Level implements WorldGenLevel {
public final UUID uuid;
public boolean hasPhysicsEvent = true; // Paper
public static Throwable getAddToWorldStackTrace(Entity entity) {
- return new Throwable(entity + " Added to world at " + new java.util.Date());
+ final Throwable thr = new Throwable(entity + " Added to world at " + new java.util.Date());
+ io.papermc.paper.util.StacktraceDeobfuscator.INSTANCE.deobfuscateThrowable(thr);
+ return thr;
}
@Override public LevelChunk getChunkIfLoaded(int x, int z) { // Paper - this was added in world too but keeping here for NMS ABI
@@ -1467,7 +1469,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
if (entity.isRemoved()) {
// Paper start
if (DEBUG_ENTITIES) {
- new Throwable("Tried to add entity " + entity + " but it was marked as removed already").printStackTrace(); // CraftBukkit
+ io.papermc.paper.util.TraceUtil.dumpTraceForThread("Tried to add entity " + entity + " but it was marked as removed already"); // CraftBukkit
getAddToWorldStackTrace(entity).printStackTrace();
}
// Paper end
diff --git a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
index fbf375534e2b8bd6ef052c4625764f4f8feb2ed6..bb9e65eee7e0ca0f715cd5791c47579a57b1b577 100644
--- a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
+++ b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
@@ -51,10 +51,10 @@ public class ServerConnectionListener {
private static final Logger LOGGER = LogUtils.getLogger();
public static final LazyLoadedValue<NioEventLoopGroup> SERVER_EVENT_GROUP = new LazyLoadedValue<>(() -> {
- return new NioEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Server IO #%d").setDaemon(true).build());
+ return new NioEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Server IO #%d").setDaemon(true).setUncaughtExceptionHandler(new net.minecraft.DefaultUncaughtExceptionHandlerWithName(LOGGER)).build()); // Paper
});
public static final LazyLoadedValue<EpollEventLoopGroup> SERVER_EPOLL_EVENT_GROUP = new LazyLoadedValue<>(() -> {
- return new EpollEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Epoll Server IO #%d").setDaemon(true).build());
+ return new EpollEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Epoll Server IO #%d").setDaemon(true).setUncaughtExceptionHandler(new net.minecraft.DefaultUncaughtExceptionHandlerWithName(LOGGER)).build()); // Paper
});
final MinecraftServer server;
public volatile boolean running;
diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
index 238a7bc87ab49da1f0fa3c733dd512fdffbd8ffc..9858f907e58fa606510f87efbdf8793c35ec711c 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -185,7 +185,7 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
MutableComponent ichatmutablecomponent = Component.translatable("multiplayer.disconnect.invalid_player_data");
// Paper start
if (MinecraftServer.getServer().isDebugging()) {
- exception.printStackTrace();
+ io.papermc.paper.util.TraceUtil.printStackTrace(exception);
}
// Paper end
diff --git a/src/main/java/net/minecraft/server/players/OldUsersConverter.java b/src/main/java/net/minecraft/server/players/OldUsersConverter.java
index 6599f874d9f97e9ef4862039ecad7277bbc5fd91..7edd4b88eb0476f0630630bc4681e859bd145b2b 100644
--- a/src/main/java/net/minecraft/server/players/OldUsersConverter.java
+++ b/src/main/java/net/minecraft/server/players/OldUsersConverter.java
@@ -364,7 +364,7 @@ public class OldUsersConverter {
try {
root = NbtIo.readCompressed(new java.io.FileInputStream(file5));
} catch (Exception exception) {
- exception.printStackTrace();
+ io.papermc.paper.util.TraceUtil.printStackTrace(exception); // Paper
ServerInternalException.reportInternalException(exception); // Paper
}
@@ -378,7 +378,7 @@ public class OldUsersConverter {
try {
NbtIo.writeCompressed(root, new java.io.FileOutputStream(file2));
} catch (Exception exception) {
- exception.printStackTrace();
+ io.papermc.paper.util.TraceUtil.printStackTrace(exception); // Paper
ServerInternalException.reportInternalException(exception); // Paper
}
}
diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
index 246606164117e8140ab0892ec1326503b414a1ab..4d052f4cde791100f04b822899f0f436feaa23ea 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
@@ -603,7 +603,7 @@ public class LevelChunk extends ChunkAccess {
+ " (" + getBlockState(blockposition) + ") where there was no entity tile!\n" +
"Chunk coordinates: " + (this.chunkPos.x * 16) + "," + (this.chunkPos.z * 16) +
"\nWorld: " + level.getLevel().dimension().location());
- e.printStackTrace();
+ io.papermc.paper.util.TraceUtil.printStackTrace(e);
ServerInternalException.reportInternalException(e);
// Paper end
// CraftBukkit end
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftAsyncScheduler.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftAsyncScheduler.java
index 3c1992e212a6d6f1db4d5b807b38d71913619fc0..9c1aff17aabd062640e3f451a2ef8c50a7c62f10 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftAsyncScheduler.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftAsyncScheduler.java
@@ -40,9 +40,9 @@ public class CraftAsyncScheduler extends CraftScheduler {
private final ThreadPoolExecutor executor = new ThreadPoolExecutor(
4, Integer.MAX_VALUE,30L, TimeUnit.SECONDS, new SynchronousQueue<>(),
- new ThreadFactoryBuilder().setNameFormat("Craft Scheduler Thread - %1$d").build());
+ new ThreadFactoryBuilder().setNameFormat("Craft Scheduler Thread - %1$d").setUncaughtExceptionHandler(new net.minecraft.DefaultUncaughtExceptionHandlerWithName(net.minecraft.server.MinecraftServer.LOGGER)).build()); // Paper
private final Executor management = Executors.newSingleThreadExecutor(new ThreadFactoryBuilder()
- .setNameFormat("Craft Async Scheduler Management Thread").build());
+ .setNameFormat("Craft Async Scheduler Management Thread").setUncaughtExceptionHandler(new net.minecraft.DefaultUncaughtExceptionHandlerWithName(net.minecraft.server.MinecraftServer.LOGGER)).build()); // Paper
private final List<CraftTask> temp = new ArrayList<>();
CraftAsyncScheduler() {
diff --git a/src/main/java/org/spigotmc/WatchdogThread.java b/src/main/java/org/spigotmc/WatchdogThread.java
index 383c52c62f49b17db2fbf58009d6ea132d124bea..e0a71bfc1498a517456b21747ab6ef3f1067a3f3 100644
--- a/src/main/java/org/spigotmc/WatchdogThread.java
+++ b/src/main/java/org/spigotmc/WatchdogThread.java
@@ -105,7 +105,7 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
log.log( Level.SEVERE, "During the run of the server, a plugin set an excessive velocity on an entity" );
log.log( Level.SEVERE, "This may be the cause of the issue, or it may be entirely unrelated" );
log.log( Level.SEVERE, org.bukkit.craftbukkit.CraftServer.excessiveVelEx.getMessage());
- for ( StackTraceElement stack : org.bukkit.craftbukkit.CraftServer.excessiveVelEx.getStackTrace() )
+ for ( StackTraceElement stack : io.papermc.paper.util.StacktraceDeobfuscator.INSTANCE.deobfuscateStacktrace(org.bukkit.craftbukkit.CraftServer.excessiveVelEx.getStackTrace()) ) // Paper
{
log.log( Level.SEVERE, "\t\t" + stack );
}
@@ -193,7 +193,7 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
}
log.log( Level.SEVERE, "\tStack:" );
//
- for ( StackTraceElement stack : thread.getStackTrace() )
+ for ( StackTraceElement stack : io.papermc.paper.util.StacktraceDeobfuscator.INSTANCE.deobfuscateStacktrace(thread.getStackTrace()) ) // Paper
{
log.log( Level.SEVERE, "\t\t" + stack );
}
diff --git a/src/main/resources/log4j2.xml b/src/main/resources/log4j2.xml
index 266b4e6fb3988b5848021c83fdc68e342c70b188..2b247d55e39246fbef31279b14c45fc40f956bfb 100644
--- a/src/main/resources/log4j2.xml
+++ b/src/main/resources/log4j2.xml
@@ -30,10 +30,14 @@
<DefaultRolloverStrategy max="1000"/>
</RollingRandomAccessFile>
<Async name="Async">
+ <AppenderRef ref="rewrite"/>
+ </Async>
+ <Rewrite name="rewrite">
+ <StacktraceDeobfuscatingRewritePolicy />
<AppenderRef ref="File"/>
<AppenderRef ref="TerminalConsole" level="info"/>
<AppenderRef ref="ServerGuiConsole" level="info"/>
- </Async>
+ </Rewrite>
</Appenders>
<Loggers>
<Root level="info">