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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: SirYwell <hannesgreule@outlook.de>
Date: Sat, 10 Jul 2021 11:12:30 +0200
Subject: [PATCH] Rewrite LogEvents to contain the source jars in stack traces
diff --git a/src/log4jPlugins/java/io/papermc/paper/logging/DelegateLogEvent.java b/src/log4jPlugins/java/io/papermc/paper/logging/DelegateLogEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..6ffd1befe64c6c3036c22e05ed1c44808d64bd28
--- /dev/null
+++ b/src/log4jPlugins/java/io/papermc/paper/logging/DelegateLogEvent.java
@@ -0,0 +1,130 @@
+package io.papermc.paper.logging;
+
+import org.apache.logging.log4j.Level;
+import org.apache.logging.log4j.Marker;
+import org.apache.logging.log4j.ThreadContext;
+import org.apache.logging.log4j.core.LogEvent;
+import org.apache.logging.log4j.core.impl.ThrowableProxy;
+import org.apache.logging.log4j.core.time.Instant;
+import org.apache.logging.log4j.message.Message;
+import org.apache.logging.log4j.util.ReadOnlyStringMap;
+
+import java.util.Map;
+
+public class DelegateLogEvent implements LogEvent {
+ private final LogEvent original;
+
+ protected DelegateLogEvent(LogEvent original) {
+ this.original = original;
+ }
+
+ @Override
+ public LogEvent toImmutable() {
+ return this.original.toImmutable();
+ }
+
+ @Override
+ public Map<String, String> getContextMap() {
+ return this.original.getContextMap();
+ }
+
+ @Override
+ public ReadOnlyStringMap getContextData() {
+ return this.original.getContextData();
+ }
+
+ @Override
+ public ThreadContext.ContextStack getContextStack() {
+ return this.original.getContextStack();
+ }
+
+ @Override
+ public String getLoggerFqcn() {
+ return this.original.getLoggerFqcn();
+ }
+
+ @Override
+ public Level getLevel() {
+ return this.original.getLevel();
+ }
+
+ @Override
+ public String getLoggerName() {
+ return this.original.getLoggerName();
+ }
+
+ @Override
+ public Marker getMarker() {
+ return this.original.getMarker();
+ }
+
+ @Override
+ public Message getMessage() {
+ return this.original.getMessage();
+ }
+
+ @Override
+ public long getTimeMillis() {
+ return this.original.getTimeMillis();
+ }
+
+ @Override
+ public Instant getInstant() {
+ return this.original.getInstant();
+ }
+
+ @Override
+ public StackTraceElement getSource() {
+ return this.original.getSource();
+ }
+
+ @Override
+ public String getThreadName() {
+ return this.original.getThreadName();
+ }
+
+ @Override
+ public long getThreadId() {
+ return this.original.getThreadId();
+ }
+
+ @Override
+ public int getThreadPriority() {
+ return this.original.getThreadPriority();
+ }
+
+ @Override
+ public Throwable getThrown() {
+ return this.original.getThrown();
+ }
+
+ @Override
+ public ThrowableProxy getThrownProxy() {
+ return this.original.getThrownProxy();
+ }
+
+ @Override
+ public boolean isEndOfBatch() {
+ return this.original.isEndOfBatch();
+ }
+
+ @Override
+ public boolean isIncludeLocation() {
+ return this.original.isIncludeLocation();
+ }
+
+ @Override
+ public void setEndOfBatch(boolean endOfBatch) {
+ this.original.setEndOfBatch(endOfBatch);
+ }
+
+ @Override
+ public void setIncludeLocation(boolean locationRequired) {
+ this.original.setIncludeLocation(locationRequired);
+ }
+
+ @Override
+ public long getNanoTime() {
+ return this.original.getNanoTime();
+ }
+}
diff --git a/src/log4jPlugins/java/io/papermc/paper/logging/ExtraClassInfoLogEvent.java b/src/log4jPlugins/java/io/papermc/paper/logging/ExtraClassInfoLogEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..558427c65b4051923f73d15d85ee519be005060a
--- /dev/null
+++ b/src/log4jPlugins/java/io/papermc/paper/logging/ExtraClassInfoLogEvent.java
@@ -0,0 +1,48 @@
+package io.papermc.paper.logging;
+
+import org.apache.logging.log4j.core.LogEvent;
+import org.apache.logging.log4j.core.impl.ExtendedClassInfo;
+import org.apache.logging.log4j.core.impl.ExtendedStackTraceElement;
+import org.apache.logging.log4j.core.impl.ThrowableProxy;
+
+public class ExtraClassInfoLogEvent extends DelegateLogEvent {
+
+ private boolean fixed;
+
+ public ExtraClassInfoLogEvent(LogEvent original) {
+ super(original);
+ }
+
+ @Override
+ public ThrowableProxy getThrownProxy() {
+ if (fixed) {
+ return super.getThrownProxy();
+ }
+ rewriteStackTrace(super.getThrownProxy());
+ fixed = true;
+ return super.getThrownProxy();
+ }
+
+ private void rewriteStackTrace(ThrowableProxy throwable) {
+ ExtendedStackTraceElement[] stackTrace = throwable.getExtendedStackTrace();
+ for (int i = 0; i < stackTrace.length; i++) {
+ ExtendedClassInfo classInfo = stackTrace[i].getExtraClassInfo();
+ if (classInfo.getLocation().equals("?")) {
+ StackTraceElement element = stackTrace[i].getStackTraceElement();
+ String classLoaderName = element.getClassLoaderName();
+ if (classLoaderName != null) {
+ stackTrace[i] = new ExtendedStackTraceElement(element,
+ new ExtendedClassInfo(classInfo.getExact(), classLoaderName, "?"));
+ }
+ }
+ }
+ if (throwable.getCauseProxy() != null) {
+ rewriteStackTrace(throwable.getCauseProxy());
+ }
+ if (throwable.getSuppressedProxies() != null) {
+ for (ThrowableProxy proxy : throwable.getSuppressedProxies()) {
+ rewriteStackTrace(proxy);
+ }
+ }
+ }
+}
diff --git a/src/log4jPlugins/java/io/papermc/paper/logging/ExtraClassInfoRewritePolicy.java b/src/log4jPlugins/java/io/papermc/paper/logging/ExtraClassInfoRewritePolicy.java
new file mode 100644
index 0000000000000000000000000000000000000000..34734bb969a1a74c7a4f9c17d40ebf007ad5d701
--- /dev/null
+++ b/src/log4jPlugins/java/io/papermc/paper/logging/ExtraClassInfoRewritePolicy.java
@@ -0,0 +1,29 @@
+package io.papermc.paper.logging;
+
+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.jetbrains.annotations.NotNull;
+
+@Plugin(
+ name = "ExtraClassInfoRewritePolicy",
+ category = Core.CATEGORY_NAME,
+ elementType = "rewritePolicy",
+ printObject = true
+)
+public final class ExtraClassInfoRewritePolicy implements RewritePolicy {
+ @Override
+ public LogEvent rewrite(LogEvent source) {
+ if (source.getThrown() != null) {
+ return new ExtraClassInfoLogEvent(source);
+ }
+ return source;
+ }
+
+ @PluginFactory
+ public static @NotNull ExtraClassInfoRewritePolicy createPolicy() {
+ return new ExtraClassInfoRewritePolicy();
+ }
+}
diff --git a/src/main/resources/log4j2.xml b/src/main/resources/log4j2.xml
index 2b247d55e39246fbef31279b14c45fc40f956bfb..675cd61221e807aadf28322b46c3daa1370241b5 100644
--- a/src/main/resources/log4j2.xml
+++ b/src/main/resources/log4j2.xml
@@ -34,6 +34,10 @@
</Async>
<Rewrite name="rewrite">
<StacktraceDeobfuscatingRewritePolicy />
+ <AppenderRef ref="rewrite2"/>
+ </Rewrite>
+ <Rewrite name="rewrite2">
+ <ExtraClassInfoRewritePolicy />
<AppenderRef ref="File"/>
<AppenderRef ref="TerminalConsole" level="info"/>
<AppenderRef ref="ServerGuiConsole" level="info"/>
|
