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Compromise on warning of excessive velocity sets

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We have long been receiving feedback about our warning messages when
excessive velocities are set on entities. We have, for the most part,
ignored much of this feedback because these warnings can be vital in
identifying the cause of a watchdog crash. These crashes would otherwise
be more difficult to identify without this information.

However, in many cases these warnings are unnecessarily verbose as the
server handles these excessive sets itself without user intervention.

As a compromise, we will only warn the user as part of a watchdog crash
log, and we will only include the most recent occurrence. This commit
represents a first effort on this front. It may need to be tweaked later
to provide more relevant information, such as the time it occurred,
and/or not printing the warning at all if the occurrence was a certain
time period ago.
Dieser Commit ist enthalten in:
Zach Brown 2017-01-08 16:43:08 -06:00
Ursprung be870bc656
Commit 50f2e124a1
Es konnte kein GPG-Schlüssel zu dieser Signatur gefunden werden
GPG-Schlüssel-ID: CC9DA35FC5450B76
7 geänderte Dateien mit 60 neuen und 24 gelöschten Zeilen
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46
Spigot-Server-Patches/0060-Add-velocity-warnings.patch
Datei anzeigen

@ -1,26 +1,62 @@
From 92f6a9bc233b3356b37dc4c1804387ecbf4d1da8 Mon Sep 17 00:00:00 2001
From 870573220f675aa66477ab57fdaa78cc0b1dc993 Mon Sep 17 00:00:00 2001
From: Joseph Hirschfeld <joe@ibj.io>
Date: Thu, 3 Mar 2016 02:48:12 -0600
Subject: [PATCH] Add velocity warnings
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 03bc017..c61752b 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -173,6 +173,7 @@ public final class CraftServer implements Server {
private final UUID invalidUserUUID = UUID.nameUUIDFromBytes("InvalidUsername".getBytes(Charsets.UTF_8));
private final List<CraftPlayer> playerView;
public int reloadCount;
+ public static Exception excessiveVelEx; // Paper - Velocity warnings
private final class BooleanWrapper {
private boolean value = true;
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index 0167ed0..2b1ca7e 100644
index 0167ed0..c094465 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -229,6 +229,12 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
@@ -229,6 +229,11 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
}
public void setVelocity(Vector vel) {
+ // Paper start - Warn server owners when plugins try to set super high velocities
+ if (!(this instanceof org.bukkit.entity.Projectile) && (vel.getX() > 4 || vel.getX() < -4 || vel.getY() > 4 || vel.getY() < -4 || vel.getZ() > 4 || vel.getZ() < -4)) {
+ getServer().getLogger().warning("Excessive velocity set detected: tried to set velocity of entity #" + getEntityId() + " to (" + vel.getX() + "," + vel.getY() + "," + vel.getZ() + ").");
+ Thread.dumpStack();
+ CraftServer.excessiveVelEx = new Exception("Excessive velocity set detected: tried to set velocity of entity #" + getEntityId() + " to (" + vel.getX() + "," + vel.getY() + "," + vel.getZ() + ").");
+ }
+ // Paper end
entity.motX = vel.getX();
entity.motY = vel.getY();
entity.motZ = vel.getZ();
diff --git a/src/main/java/org/spigotmc/WatchdogThread.java b/src/main/java/org/spigotmc/WatchdogThread.java
index 3ed983c..6384d50 100644
--- a/src/main/java/org/spigotmc/WatchdogThread.java
+++ b/src/main/java/org/spigotmc/WatchdogThread.java
@@ -66,7 +66,19 @@ public class WatchdogThread extends Thread
log.log( Level.SEVERE, "During the run of the server, a physics stackoverflow was supressed" );
log.log( Level.SEVERE, "near " + net.minecraft.server.World.blockLocation);
}
- //
+ // Paper start - Warn in watchdog if an excessive velocity was ever set
+ if ( org.bukkit.craftbukkit.CraftServer.excessiveVelEx != null )
+ {
+ log.log( Level.SEVERE, "------------------------------" );
+ 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() )
+ {
+ log.log( Level.SEVERE, "\t\t" + stack );
+ }
+ }
+ // Paper end
log.log( Level.SEVERE, "------------------------------" );
log.log( Level.SEVERE, "Server thread dump (Look for plugins here before reporting to Paper!):" );
dumpThread( ManagementFactory.getThreadMXBean().getThreadInfo( MinecraftServer.getServer().primaryThread.getId(), Integer.MAX_VALUE ), log );
--
2.9.3

8
Spigot-Server-Patches/0069-Default-loading-permissions.yml-before-plugins.patch
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@ -1,4 +1,4 @@
From cca72bb299e1dd0f6028b3cecaddbf0e1b5aa518 Mon Sep 17 00:00:00 2001
From 057e2622c79809d9cdf41b2ee46117c09af465c2 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 18 Mar 2016 13:17:38 -0400
Subject: [PATCH] Default loading permissions.yml before plugins
@ -30,10 +30,10 @@ index 65fc0cb..7da844e 100644
+ }
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 03bc017..54cea6a 100644
index c61752b..e2afd9d 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -317,6 +317,7 @@ public final class CraftServer implements Server {
@@ -318,6 +318,7 @@ public final class CraftServer implements Server {
if (type == PluginLoadOrder.STARTUP) {
helpMap.clear();
helpMap.initializeGeneralTopics();
@ -41,7 +41,7 @@ index 03bc017..54cea6a 100644
}
Plugin[] plugins = pluginManager.getPlugins();
@@ -334,7 +335,7 @@ public final class CraftServer implements Server {
@@ -335,7 +336,7 @@ public final class CraftServer implements Server {
setVanillaCommands(false);
// Spigot end
commandMap.registerServerAliases();

6
Spigot-Server-Patches/0070-Allow-Reloading-of-Custom-Permissions.patch
Datei anzeigen

@ -1,4 +1,4 @@
From 1e22976fc41743796f571137670c9480bfb64e4f Mon Sep 17 00:00:00 2001
From 49c23225c5302e693fdcbd6b3d139d75b0cf4509 Mon Sep 17 00:00:00 2001
From: William <admin@domnian.com>
Date: Fri, 18 Mar 2016 03:30:17 -0400
Subject: [PATCH] Allow Reloading of Custom Permissions
@ -6,10 +6,10 @@ Subject: [PATCH] Allow Reloading of Custom Permissions
https://github.com/PaperMC/Paper/issues/49
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 54cea6a..c3c4803 100644
index e2afd9d..4009123 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1822,4 +1822,21 @@ public final class CraftServer implements Server {
@@ -1823,4 +1823,21 @@ public final class CraftServer implements Server {
{
return spigot;
}

6
Spigot-Server-Patches/0071-Remove-Metadata-on-reload.patch
Datei anzeigen

@ -1,4 +1,4 @@
From 18660b67f133ee9c2afc344d0344208bb10082b6 Mon Sep 17 00:00:00 2001
From b84844e83f6e3e64ff5e9120560d52e0d01e80bb Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 18 Mar 2016 13:50:14 -0400
Subject: [PATCH] Remove Metadata on reload
@ -7,10 +7,10 @@ Metadata is not meant to persist reload as things break badly with non primitive
This will remove metadata on reload so it does not crash everything if a plugin uses it.
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index c3c4803..3661821 100644
index 4009123..540d578 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -740,6 +740,14 @@ public final class CraftServer implements Server {
@@ -741,6 +741,14 @@ public final class CraftServer implements Server {
world.paperConfig.init(); // Paper
}

6
Spigot-Server-Patches/0106-Configurable-Keep-Spawn-Loaded-range-per-world.patch
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@ -1,4 +1,4 @@
From 8a4f59fc1cf5f7bfc7e7e5f1fc16141cf971f7c1 Mon Sep 17 00:00:00 2001
From a2fb44cbf12b30553ae1b7f1c3bfd9402d282e7a Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 13 Sep 2014 23:14:43 -0400
Subject: [PATCH] Configurable Keep Spawn Loaded range per world
@ -54,10 +54,10 @@ index 2d5f3d2..9c36471 100644
public void a(Packet<?> packet) {
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 3661821..69d9e75 100644
index 540d578..8cb8cbe 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -951,7 +951,7 @@ public final class CraftServer implements Server {
@@ -952,7 +952,7 @@ public final class CraftServer implements Server {
System.out.print("Preparing start region for level " + (console.worlds.size() - 1) + " (Seed: " + internal.getSeed() + ")");
if (internal.getWorld().getKeepSpawnInMemory()) {

6
Spigot-Server-Patches/0153-Add-setting-for-proxy-online-mode-status.patch
Datei anzeigen

@ -1,4 +1,4 @@
From 6fb8548de754057d2575e8247e105adde89ea39c Mon Sep 17 00:00:00 2001
From 5ca24b601302ac12f630371e02174789f3310fbf Mon Sep 17 00:00:00 2001
From: Gabriele C <sgdc3.mail@gmail.com>
Date: Fri, 5 Aug 2016 01:03:08 +0200
Subject: [PATCH] Add setting for proxy online mode status
@ -33,10 +33,10 @@ index 2ff8a6d..52e7360 100644
} else {
String[] astring1 = astring;
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 69d9e75..50ac5bd 100644
index 8cb8cbe..1bbce7a 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1335,7 +1335,8 @@ public final class CraftServer implements Server {
@@ -1336,7 +1336,8 @@ public final class CraftServer implements Server {
// Spigot Start
GameProfile profile = null;
// Only fetch an online UUID in online mode

6
Spigot-Server-Patches/0176-Allow-Reloading-of-Command-Aliases.patch
Datei anzeigen

@ -1,4 +1,4 @@
From 54416434101999dff05cc5befce2bce56fe27061 Mon Sep 17 00:00:00 2001
From 90fc7033f2b9fb52ba2b0bb3163ce856804fdeb3 Mon Sep 17 00:00:00 2001
From: willies952002 <admin@domnian.com>
Date: Mon, 28 Nov 2016 10:21:52 -0500
Subject: [PATCH] Allow Reloading of Command Aliases
@ -6,10 +6,10 @@ Subject: [PATCH] Allow Reloading of Command Aliases
Reload the aliases stored in commands.yml
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 50ac5bd..895fe59 100644
index 1bbce7a..31c9a66 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1847,5 +1847,15 @@ public final class CraftServer implements Server {
@@ -1848,5 +1848,15 @@ public final class CraftServer implements Server {
});
}
}