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Code Issues Projekte Releases Wiki Aktivität
ea0b63992c
Paper/patches/server/0396-Deobfuscate-stacktraces-in-log-messages-crash-report.patch
Jake Potrebic ea0b63992c
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9228) 
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:
4727d326 Don't let Sign extend SignSide, mark API as experimental
9b29bdcc PR-845: Add preliminary support for multi sided signs

CraftBukkit Changes:
b346a5f6d PR-1170: Add preliminary support for multi sided signs
86c816189 Update SQLite version
d9324b4bc Fix addition of custom smithing trim / transform recipes

Spigot Changes:
7d7b241e Rebuild patches
2023-05-31 16:36:57 -07:00

665 Zeilen
34 KiB
Diff
Originalformat Blame Verlauf

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 c04f733d053a52218893ef2b9ca050f911b50b0a..e63ad0e49818709cb292b9e43f5b52f5cb13002f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -19,6 +19,7 @@ dependencies {
Scanning takes about 1-2 seconds so adding this speeds up the server start.
*/
implementation("org.apache.logging.log4j:log4j-core:2.14.1") // Paper - implementation
+ annotationProcessor("org.apache.logging.log4j:log4j-core:2.14.1") // Paper - Needed to generate meta for our Log4j plugins
// Paper end
implementation("org.apache.logging.log4j:log4j-iostreams:2.19.0") // Paper - remove exclusion
implementation("org.ow2.asm:asm:9.4")
@@ -26,6 +27,7 @@ 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:3.41.2.2")
runtimeOnly("com.mysql:mysql-connector-j:8.0.32")
runtimeOnly("com.lmax:disruptor:3.4.4") // Paper
@@ -105,6 +107,18 @@ 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/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/logging/StacktraceDeobfuscatingRewritePolicy.java b/src/main/java/io/papermc/paper/logging/StacktraceDeobfuscatingRewritePolicy.java
new file mode 100644
index 0000000000000000000000000000000000000000..c701ef3c287f62aa0ebfbdbd6da6ed82a1c7793c
--- /dev/null
+++ b/src/main/java/io/papermc/paper/logging/StacktraceDeobfuscatingRewritePolicy.java
@@ -0,0 +1,38 @@
+package io.papermc.paper.logging;
+
+import io.papermc.paper.util.StacktraceDeobfuscator;
+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 StacktraceDeobfuscatingRewritePolicy() {
+ }
+
+ @Override
+ public @NonNull LogEvent rewrite(final @NonNull LogEvent rewrite) {
+ final Throwable thrown = rewrite.getThrown();
+ if (thrown != null) {
+ StacktraceDeobfuscator.INSTANCE.deobfuscateThrowable(thrown);
+ return new Log4jLogEvent.Builder(rewrite)
+ .setThrownProxy(null)
+ .build();
+ }
+ return rewrite;
+ }
+
+ @PluginFactory
+ public static @NonNull StacktraceDeobfuscatingRewritePolicy createPolicy() {
+ return new StacktraceDeobfuscatingRewritePolicy();
+ }
+}
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 ca9a36e357e73b1b518ebb5c937314269655de32..59bb1d340e0be6f15a8c6ac21500cdd909c18a8b 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();
@@ -199,7 +199,7 @@ 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 549ea8e0fe702615eefcbfd1cd6a30e05b7b3fd5..771677c0e1cd7bfe089b9a5bb9095650216ff588 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 4bf38f9006be9e838c54783dafd40cf84553d627..51e8070864ffc4a35377021a7ded9813a40c1a11 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -218,7 +218,9 @@ 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
@@ -1326,7 +1328,7 @@ 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 ee1c9f2c8dd30b3f32a6d49aa1c43148f4e5ccac..73a3f9eae86df8e9afd08ee9da4c1b8e16dededd 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
@@ -633,7 +633,7 @@ 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 d285dbec16272db6b8a71865e05924ad66087407..1a05d23ff886b015fb9396f119822c678a47ec6f 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">
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