2021-06-11 14:02:28 +02:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Thu, 18 Feb 2021 20:23:28 +0000
Subject: [PATCH] misc debugging dumps
diff --git a/src/main/java/io/papermc/paper/util/TraceUtil.java b/src/main/java/io/papermc/paper/util/TraceUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..2d5494d2813b773e60ddba6790b750a9a08f21f8
--- /dev/null
+++ b/src/main/java/io/papermc/paper/util/TraceUtil.java
@@ -0,0 +1,18 @@
+package io.papermc.paper.util;
+
+import org.bukkit.Bukkit;
+
+public final class TraceUtil {
+
+ public static void dumpTraceForThread(Thread thread, String reason) {
+ Bukkit.getLogger().warning(thread.getName() + ": " + reason);
+ StackTraceElement[] trace = thread.getStackTrace();
+ for (StackTraceElement traceElement : trace) {
+ Bukkit.getLogger().warning("\tat " + traceElement);
+ }
+ }
+
+ public static void dumpTraceForThread(String reason) {
+ new Throwable(reason).printStackTrace();
+ }
+}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
2021-06-18 07:51:04 +02:00
index 127691d19e02ef5e725ce338d732fcced428fa66..7c1ae542ea9da28ccc40b4608a970ef0617b03e8 100644
2021-06-11 14:02:28 +02:00
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
2021-06-17 10:37:27 +02:00
@@ -913,6 +913,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
2021-06-11 14:02:28 +02:00
// CraftBukkit start
private boolean hasStopped = false;
public volatile boolean hasFullyShutdown = false; // Paper
+ private boolean hasLoggedStop = false; // Paper
private final Object stopLock = new Object();
public final boolean hasStopped() {
2021-06-15 04:59:31 +02:00
synchronized (this.stopLock) {
2021-06-17 10:37:27 +02:00
@@ -927,6 +928,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
2021-06-15 04:59:31 +02:00
if (this.hasStopped) return;
this.hasStopped = true;
2021-06-11 14:02:28 +02:00
}
2021-06-15 04:59:31 +02:00
+ if (!hasLoggedStop && isDebugging()) io.papermc.paper.util.TraceUtil.dumpTraceForThread("Server stopped"); // Paper
2021-06-11 14:02:28 +02:00
// Paper start - kill main thread, and kill it hard
shutdownThread = Thread.currentThread();
org.spigotmc.WatchdogThread.doStop(); // Paper
2021-06-15 04:59:31 +02:00
@@ -1037,6 +1039,8 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
2021-06-11 14:02:28 +02:00
public void safeShutdown(boolean flag, boolean isRestarting) {
this.isRestarting = isRestarting;
+ this.hasLoggedStop = true; // Paper
2021-06-15 04:59:31 +02:00
+ if (isDebugging()) io.papermc.paper.util.TraceUtil.dumpTraceForThread("Server stopped"); // Paper
// Paper end
this.running = false;
2021-06-11 14:02:28 +02:00
if (flag) {
2021-06-20 16:06:37 +02:00
diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
index b8fb3f99e4af5768d8afc1b143e5585f08cc21a9..17a171f531c356e2c8abe2f26c012e9bdcfa9879 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -200,6 +200,11 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
}
} catch (Exception exception) {
TranslatableComponent chatmessage = new TranslatableComponent("multiplayer.disconnect.invalid_player_data");
+ // Paper start
+ if (MinecraftServer.getServer().isDebugging()) {
+ exception.printStackTrace();
+ }
+ // Paper end
this.connection.send(new ClientboundDisconnectPacket(chatmessage));
this.connection.disconnect(chatmessage);
2021-06-11 14:02:28 +02:00
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
2021-06-15 10:38:57 +02:00
index 4739b4c3035064de328595329ee0b65ea59e559b..989b6b91dc046e20332f0cef35105b290fdb2e43 100644
2021-06-11 14:02:28 +02:00
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
2021-06-15 10:38:57 +02:00
@@ -935,6 +935,7 @@ public final class CraftServer implements Server {
2021-06-11 14:02:28 +02:00
plugin.getDescription().getName(),
"This plugin is not properly shutting down its async tasks when it is being reloaded. This may cause conflicts with the newly loaded version of the plugin"
));
2021-06-15 04:59:31 +02:00
+ if (console.isDebugging()) io.papermc.paper.util.TraceUtil.dumpTraceForThread(worker.getThread(), "still running"); // Paper
2021-06-11 14:02:28 +02:00
}
2021-06-15 04:59:31 +02:00
this.loadPlugins();
this.enablePlugins(PluginLoadOrder.STARTUP);