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Paper/Spigot-Server-Patches/0054-Add-exception-reporting-event.patch
Aikar 210a32f26f
Unload leaked Cached Chunks 
Due to some complexity in mojangs complicated chain of juggling
whether or not a chunk should be unloaded when the last ticket is
removed, many chunks are remaining around in the cache.

These chunks are never being targetted for unload because they are
vastly out of view distance range and have no reason to be looked at.

This is a huge issue for performance because we have to iterate these
chunks EVERY TICK... This is what's been leading to high SELF time in
Ticking Chunks timings/profiler results.

We will now detect these chunks in that iteration, and automatically
add it to the unload queue when the chunk is found without any tickets.
2020-05-25 11:12:22 -04:00

308 Zeilen
17 KiB
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Originalformat Blame Verlauf

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Joseph Hirschfeld <joe@ibj.io>
Date: Thu, 3 Mar 2016 03:15:41 -0600
Subject: [PATCH] Add exception reporting event
diff --git a/src/main/java/com/destroystokyo/paper/ServerSchedulerReportingWrapper.java b/src/main/java/com/destroystokyo/paper/ServerSchedulerReportingWrapper.java
new file mode 100644
index 0000000000000000000000000000000000000000..f699ce18ca044f813e194ef2786b7ea853ea86e7
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/ServerSchedulerReportingWrapper.java
@@ -0,0 +1,38 @@
+package com.destroystokyo.paper;
+
+import com.google.common.base.Preconditions;
+import org.bukkit.craftbukkit.scheduler.CraftTask;
+import com.destroystokyo.paper.event.server.ServerExceptionEvent;
+import com.destroystokyo.paper.exception.ServerSchedulerException;
+
+/**
+ * Reporting wrapper to catch exceptions not natively
+ */
+public class ServerSchedulerReportingWrapper implements Runnable {
+
+ private final CraftTask internalTask;
+
+ public ServerSchedulerReportingWrapper(CraftTask internalTask) {
+ this.internalTask = Preconditions.checkNotNull(internalTask, "internalTask");
+ }
+
+ @Override
+ public void run() {
+ try {
+ internalTask.run();
+ } catch (RuntimeException e) {
+ internalTask.getOwner().getServer().getPluginManager().callEvent(
+ new ServerExceptionEvent(new ServerSchedulerException(e, internalTask))
+ );
+ throw e;
+ } catch (Throwable t) {
+ internalTask.getOwner().getServer().getPluginManager().callEvent(
+ new ServerExceptionEvent(new ServerSchedulerException(t, internalTask))
+ ); //Do not rethrow, since it is not permitted with Runnable#run
+ }
+ }
+
+ public CraftTask getInternalTask() {
+ return internalTask;
+ }
+}
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index ef779879e33c2f64c325afd3cd411032fb0d63f9..b85e21202eb8bb9446989aa1d6889eed784762a4 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -1,5 +1,6 @@
package net.minecraft.server;
+import com.destroystokyo.paper.exception.ServerInternalException;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
@@ -612,10 +613,15 @@ public class Chunk implements IChunkAccess {
this.tileEntities.remove(blockposition);
// Paper end
} else {
- System.out.println("Attempted to place a tile entity (" + tileentity + ") at " + tileentity.position.getX() + "," + tileentity.position.getY() + "," + tileentity.position.getZ()
- + " (" + getType(blockposition) + ") where there was no entity tile!");
- System.out.println("Chunk coordinates: " + (this.loc.x * 16) + "," + (this.loc.z * 16));
- new Exception().printStackTrace();
+ // Paper start
+ ServerInternalException e = new ServerInternalException(
+ "Attempted to place a tile entity (" + tileentity + ") at " + tileentity.position.getX() + ","
+ + tileentity.position.getY() + "," + tileentity.position.getZ()
+ + " (" + getType(blockposition) + ") where there was no entity tile!\n" +
+ "Chunk coordinates: " + (this.loc.x * 16) + "," + (this.loc.z * 16));
+ e.printStackTrace();
+ ServerInternalException.reportInternalException(e);
+ // Paper end
// CraftBukkit end
}
}
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 875f353dc3a0f3418b01821abf30e0f1ca32bb4d..fa4ad0b6dcd2cb428d87047340b81594b271e4b2 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -15,6 +15,9 @@ import java.util.function.BooleanSupplier;
import java.util.function.Function;
import java.util.function.Supplier;
import javax.annotation.Nullable;
+import com.destroystokyo.paper.exception.ServerInternalException;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
public class ChunkProviderServer extends IChunkProvider {
diff --git a/src/main/java/net/minecraft/server/NameReferencingFileConverter.java b/src/main/java/net/minecraft/server/NameReferencingFileConverter.java
index c9c2b0025159c8383998bfe374bcf995f75ed95f..1422503e11ac632c7b94640d59d9aaa0c5cb2f8f 100644
--- a/src/main/java/net/minecraft/server/NameReferencingFileConverter.java
+++ b/src/main/java/net/minecraft/server/NameReferencingFileConverter.java
@@ -1,5 +1,6 @@
package net.minecraft.server;
+import com.destroystokyo.paper.exception.ServerInternalException;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.io.Files;
@@ -354,6 +355,7 @@ public class NameReferencingFileConverter {
root = NBTCompressedStreamTools.a(new java.io.FileInputStream(file5));
} catch (Exception exception) {
exception.printStackTrace();
+ ServerInternalException.reportInternalException(exception); // Paper
}
if (root != null) {
@@ -367,6 +369,7 @@ public class NameReferencingFileConverter {
NBTCompressedStreamTools.a(root, new java.io.FileOutputStream(file2));
} catch (Exception exception) {
exception.printStackTrace();
+ ServerInternalException.reportInternalException(exception); // Paper
}
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index eece2f689cce58a35d33c6e8d9d56ea4e9dfd88c..6374bf8785f7d99ab8750deba79867433d31eb5f 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -728,6 +728,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
this.world.checkSession();
} catch (ExceptionWorldConflict exceptionworldconflict) {
PlayerChunkMap.LOGGER.error("Couldn't save chunk; already in use by another instance of Minecraft?", exceptionworldconflict);
+ com.destroystokyo.paper.exception.ServerInternalException.reportInternalException(exceptionworldconflict); // Paper
return false;
}
@@ -756,6 +757,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
return true;
} catch (Exception exception) {
PlayerChunkMap.LOGGER.error("Failed to save chunk {},{}", chunkcoordintpair.x, chunkcoordintpair.z, exception);
+ com.destroystokyo.paper.exception.ServerInternalException.reportInternalException(exception); // Paper
return false;
}
}
diff --git a/src/main/java/net/minecraft/server/RegionFile.java b/src/main/java/net/minecraft/server/RegionFile.java
index 187c4e0f58b7de58dfd2194afb194cbed0a58957..c2312a227c60417c02fc028047e1e4562bbfccff 100644
--- a/src/main/java/net/minecraft/server/RegionFile.java
+++ b/src/main/java/net/minecraft/server/RegionFile.java
@@ -241,6 +241,7 @@ public class RegionFile implements AutoCloseable {
return true;
}
} catch (IOException ioexception) {
+ com.destroystokyo.paper.exception.ServerInternalException.reportInternalException(ioexception); // Paper
return false;
}
}
@@ -309,6 +310,7 @@ public class RegionFile implements AutoCloseable {
filechannel.write(bytebuffer);
} catch (Throwable throwable1) {
throwable = throwable1;
+ com.destroystokyo.paper.exception.ServerInternalException.reportInternalException(throwable); // Paper
throw throwable1;
} finally {
if (filechannel != null) {
diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
index 8ba344df6455307be88113e52d46b0d802f4443e..02157d051f3ecfc05f23ae8631cf01b6133ad159 100644
--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
@@ -8,6 +8,7 @@ import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
// CraftBukkit start
+import com.destroystokyo.paper.exception.ServerInternalException;
import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
// CraftBukkit end
@@ -86,6 +87,7 @@ public final class SpawnerCreature {
entityinsentient = (EntityInsentient) entity;
} catch (Exception exception) {
SpawnerCreature.LOGGER.warn("Failed to create mob", exception);
+ ServerInternalException.reportInternalException(exception); // Paper
return;
}
@@ -214,6 +216,7 @@ public final class SpawnerCreature {
entity = biomebase_biomemeta.b.a(generatoraccess.getMinecraftWorld());
} catch (Exception exception) {
SpawnerCreature.LOGGER.warn("Failed to create mob", exception);
+ ServerInternalException.reportInternalException(exception); // Paper
continue;
}
diff --git a/src/main/java/net/minecraft/server/VillageSiege.java b/src/main/java/net/minecraft/server/VillageSiege.java
index d5e9bae7097460b44f9061198cf54b421bf2b3cf..1bcf01c09a9ba5168d491797e13eeddcf8961b75 100644
--- a/src/main/java/net/minecraft/server/VillageSiege.java
+++ b/src/main/java/net/minecraft/server/VillageSiege.java
@@ -1,5 +1,7 @@
package net.minecraft.server;
+import com.destroystokyo.paper.exception.ServerInternalException;
+
import java.util.Iterator;
import javax.annotation.Nullable;
@@ -100,6 +102,7 @@ public class VillageSiege {
entityzombie.prepare(worldserver, worldserver.getDamageScaler(new BlockPosition(entityzombie)), EnumMobSpawn.EVENT, (GroupDataEntity) null, (NBTTagCompound) null);
} catch (Exception exception) {
exception.printStackTrace();
+ ServerInternalException.reportInternalException(exception); // Paper
return;
}
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index fc9bbc4fdd371931ea31c061b9bef0c4f91853d9..6e7d3573ed6f58a9c5f29c8b1b49746f13e21dc7 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -2,6 +2,9 @@ package net.minecraft.server;
import co.aikar.timings.Timing;
import co.aikar.timings.Timings;
+import com.destroystokyo.paper.event.server.ServerExceptionEvent;
+import com.destroystokyo.paper.exception.ServerInternalException;
+import com.google.common.base.MoreObjects;
import com.google.common.collect.Lists;
import java.io.IOException;
import java.util.Collection;
@@ -665,8 +668,11 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
gameprofilerfiller.exit();
} catch (Throwable throwable) {
// Paper start - Prevent tile entity and entity crashes
- System.err.println("TileEntity threw exception at " + tileentity.world.getWorld().getName() + ":" + tileentity.position.getX() + "," + tileentity.position.getY() + "," + tileentity.position.getZ());
+ String msg = "TileEntity threw exception at " + tileentity.world.getWorld().getName() + ":" + tileentity.position.getX() + "," + tileentity.position.getY() + "," + tileentity.position.getZ();
+ System.err.println(msg);
throwable.printStackTrace();
+ getServer().getPluginManager().callEvent(new ServerExceptionEvent(new ServerInternalException(msg, throwable)));
+ // Paper end
tilesThisCycle--;
this.tileEntityListTick.remove(tileTickPosition--);
continue;
@@ -737,8 +743,10 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
consumer.accept(entity);
} catch (Throwable throwable) {
// Paper start - Prevent tile entity and entity crashes
- System.err.println("Entity threw exception at " + entity.world.getWorld().getName() + ":" + entity.locX() + "," + entity.locY() + "," + entity.locZ());
+ String msg = "Entity threw exception at " + entity.world.getWorld().getName() + ":" + entity.locX() + "," + entity.locY() + "," + entity.locZ();
+ System.err.println(msg);
throwable.printStackTrace();
+ getServer().getPluginManager().callEvent(new ServerExceptionEvent(new ServerInternalException(msg, throwable)));
entity.dead = true;
return;
// Paper end
diff --git a/src/main/java/net/minecraft/server/WorldPersistentData.java b/src/main/java/net/minecraft/server/WorldPersistentData.java
index 19e68a78310de787bca701bc2597c64e34a77d7c..a2a25cf6a43a1f59a80c997e2980f2bb8e6b3817 100644
--- a/src/main/java/net/minecraft/server/WorldPersistentData.java
+++ b/src/main/java/net/minecraft/server/WorldPersistentData.java
@@ -121,6 +121,7 @@ public class WorldPersistentData {
nbttagcompound = GameProfileSerializer.a(this.c, DataFixTypes.SAVED_DATA, nbttagcompound1, j, i);
} catch (Throwable throwable4) {
throwable = throwable4;
+ com.destroystokyo.paper.exception.ServerInternalException.reportInternalException(throwable); // Paper
throw throwable4;
} finally {
if (pushbackinputstream != null) {
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
index db433ed3707a1cb3a6df13b3c3fb5696155f7160..d05a9ae0fbdc8c9d86109a631d059299e51a2a39 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
@@ -16,6 +16,9 @@ import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Consumer;
import java.util.logging.Level;
+import com.destroystokyo.paper.ServerSchedulerReportingWrapper;
+import com.destroystokyo.paper.event.server.ServerExceptionEvent;
+import com.destroystokyo.paper.exception.ServerSchedulerException;
import org.apache.commons.lang.Validate;
import org.bukkit.plugin.IllegalPluginAccessException;
import org.bukkit.plugin.Plugin;
@@ -399,20 +402,26 @@ public class CraftScheduler implements BukkitScheduler {
try {
task.run();
} catch (final Throwable throwable) {
+ // Paper start
+ String msg = String.format(
+ "Task #%s for %s generated an exception",
+ task.getTaskId(),
+ task.getOwner().getDescription().getFullName());
task.getOwner().getLogger().log(
Level.WARNING,
- String.format(
- "Task #%s for %s generated an exception",
- task.getTaskId(),
- task.getOwner().getDescription().getFullName()),
+ msg,
throwable);
+ task.getOwner().getServer().getPluginManager().callEvent(
+ new ServerExceptionEvent(new ServerSchedulerException(msg, throwable, task))
+ );
+ // Paper end
} finally {
currentTask = null;
}
parsePending();
} else {
debugTail = debugTail.setNext(new CraftAsyncDebugger(currentTick + RECENT_TICKS, task.getOwner(), task.getTaskClass()));
- executor.execute(task);
+ executor.execute(new ServerSchedulerReportingWrapper(task)); // Paper
// We don't need to parse pending
// (async tasks must live with race-conditions if they attempt to cancel between these few lines of code)
}
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