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Paper/patches/server/0062-Add-exception-reporting-event.patch
Nassim Jahnke 172c7dc7e7
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2024-12-03 18:32:16 +01:00

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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/players/OldUsersConverter.java b/src/main/java/net/minecraft/server/players/OldUsersConverter.java
index 68551947f5b7d3471f15bd74ccd86519ab34c1c1..a0b0614ac7d2009db5c6c10ab4a5f09dd447c635 100644
--- a/src/main/java/net/minecraft/server/players/OldUsersConverter.java
+++ b/src/main/java/net/minecraft/server/players/OldUsersConverter.java
@@ -356,7 +356,11 @@ public class OldUsersConverter {
try {
root = NbtIo.readCompressed(new java.io.FileInputStream(file5), NbtAccounter.unlimitedHeap());
} catch (Exception exception) {
- io.papermc.paper.util.TraceUtil.printStackTrace(exception); // Paper
+ // Paper start
+ io.papermc.paper.util.StacktraceDeobfuscator.INSTANCE.deobfuscateThrowable(exception);
+ exception.printStackTrace();
+ com.destroystokyo.paper.exception.ServerInternalException.reportInternalException(exception);
+ // Paper end
}
if (root != null) {
@@ -369,7 +373,11 @@ public class OldUsersConverter {
try {
NbtIo.writeCompressed(root, new java.io.FileOutputStream(file2));
} catch (Exception exception) {
- io.papermc.paper.util.TraceUtil.printStackTrace(exception); // Paper
+ // Paper start
+ io.papermc.paper.util.StacktraceDeobfuscator.INSTANCE.deobfuscateThrowable(exception);
+ exception.printStackTrace();
+ com.destroystokyo.paper.exception.ServerInternalException.reportInternalException(exception);
+ // Paper end
}
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/entity/ai/village/VillageSiege.java b/src/main/java/net/minecraft/world/entity/ai/village/VillageSiege.java
index a5b18a04f482d05d3ca74918a580499b21c2fc3c..bd3f71c3eaa33258ff56062ea3a2099cef310b7a 100644
--- a/src/main/java/net/minecraft/world/entity/ai/village/VillageSiege.java
+++ b/src/main/java/net/minecraft/world/entity/ai/village/VillageSiege.java
@@ -117,6 +117,7 @@ public class VillageSiege implements CustomSpawner {
entityzombie.finalizeSpawn(world, world.getCurrentDifficultyAt(entityzombie.blockPosition()), EntitySpawnReason.EVENT, (SpawnGroupData) null);
} catch (Exception exception) {
VillageSiege.LOGGER.warn("Failed to create zombie for village siege at {}", vec3d, exception);
+ com.destroystokyo.paper.exception.ServerInternalException.reportInternalException(exception); // Paper - ServerExceptionEvent
return;
}
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index d8621149add06021d594415e079771b6fd57cc3f..11c5191ec6a53cb42f8a75e249fbce1058f2b58e 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -729,6 +729,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
// Paper start - Prevent block entity and entity crashes
final String msg = String.format("Entity threw exception at %s:%s,%s,%s", entity.level().getWorld().getName(), entity.getX(), entity.getY(), entity.getZ());
MinecraftServer.LOGGER.error(msg, throwable);
+ getCraftServer().getPluginManager().callEvent(new com.destroystokyo.paper.event.server.ServerExceptionEvent(new com.destroystokyo.paper.exception.ServerInternalException(msg, throwable))); // Paper - ServerExceptionEvent
entity.discard(org.bukkit.event.entity.EntityRemoveEvent.Cause.DISCARD);
// Paper end - Prevent block entity and entity crashes
}
diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
index 9389fd53f2bff0a9ca389694b312dc6da58befaf..da0ddb8285e157be0cc7b940a9590be5e3061e3d 100644
--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
@@ -294,6 +294,7 @@ public final class NaturalSpawner {
NaturalSpawner.LOGGER.warn("Can't spawn entity of type: {}", BuiltInRegistries.ENTITY_TYPE.getKey(type));
} catch (Exception exception) {
NaturalSpawner.LOGGER.warn("Failed to create mob", exception);
+ com.destroystokyo.paper.exception.ServerInternalException.reportInternalException(exception); // Paper - ServerExceptionEvent
}
return null;
@@ -382,6 +383,7 @@ public final class NaturalSpawner {
entity = biomesettingsmobs_c.type.create(world.getLevel(), EntitySpawnReason.NATURAL);
} catch (Exception exception) {
NaturalSpawner.LOGGER.warn("Failed to create mob", exception);
+ com.destroystokyo.paper.exception.ServerInternalException.reportInternalException(exception); // Paper - ServerExceptionEvent
continue;
}
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 daa2b3f67765bc340404747b3cffea5604830515..95da29b973d43b59d9c4d0c83068dc74b59c9c8b 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
@@ -501,8 +501,13 @@ public class LevelChunk extends ChunkAccess {
BlockState iblockdata = this.getBlockState(blockposition);
if (!iblockdata.hasBlockEntity()) {
- LevelChunk.LOGGER.warn("Trying to set block entity {} at position {}, but state {} does not allow it", new Object[]{blockEntity, blockposition, iblockdata});
- new Exception().printStackTrace(); // CraftBukkit
+ // Paper start - ServerExceptionEvent
+ com.destroystokyo.paper.exception.ServerInternalException e = new com.destroystokyo.paper.exception.ServerInternalException(
+ "Trying to set block entity %s at position %s, but state %s does not allow it".formatted(blockEntity, blockposition, iblockdata)
+ );
+ e.printStackTrace();
+ com.destroystokyo.paper.exception.ServerInternalException.reportInternalException(e);
+ // Paper end - ServerExceptionEvent
} else {
BlockState iblockdata1 = blockEntity.getBlockState();
@@ -991,6 +996,7 @@ public class LevelChunk extends ChunkAccess {
// Paper start - Prevent block entity and entity crashes
final String msg = String.format("BlockEntity threw exception at %s:%s,%s,%s", LevelChunk.this.getLevel().getWorld().getName(), this.getPos().getX(), this.getPos().getY(), this.getPos().getZ());
net.minecraft.server.MinecraftServer.LOGGER.error(msg, throwable);
+ net.minecraft.world.level.chunk.LevelChunk.this.level.getCraftServer().getPluginManager().callEvent(new com.destroystokyo.paper.event.server.ServerExceptionEvent(new com.destroystokyo.paper.exception.ServerInternalException(msg, throwable))); // Paper - ServerExceptionEvent
LevelChunk.this.removeBlockEntity(this.getPos());
// Paper end - Prevent block entity and entity crashes
// Spigot start
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
index 15f273aa592828719de6e092d79a407dc8652dfe..b24e8255ab18eb5b2e4968aa62aa3d72ef33f0eb 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
@@ -296,6 +296,7 @@ public class RegionFile implements AutoCloseable {
return true;
}
} catch (IOException ioexception) {
+ com.destroystokyo.paper.exception.ServerInternalException.reportInternalException(ioexception); // Paper - ServerExceptionEvent
return false;
}
}
@@ -377,6 +378,7 @@ public class RegionFile implements AutoCloseable {
((java.nio.Buffer) buf).position(5); // CraftBukkit - decompile error
filechannel.write(buf);
} catch (Throwable throwable) {
+ com.destroystokyo.paper.exception.ServerInternalException.reportInternalException(throwable); // Paper - ServerExceptionEvent
if (filechannel != null) {
try {
filechannel.close();
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
index 0385aa1e5cced22bbafdabca1b63599db1f5d3f6..152c816efbd633210ff308ef56f5d0cda6edb1b5 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
@@ -415,20 +415,25 @@ public class CraftScheduler implements BukkitScheduler {
try {
task.run();
} catch (final Throwable throwable) {
+ // Paper start
+ final String logMessage = 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()),
+ logMessage,
throwable);
+ org.bukkit.Bukkit.getServer().getPluginManager().callEvent(
+ new com.destroystokyo.paper.event.server.ServerExceptionEvent(new com.destroystokyo.paper.exception.ServerSchedulerException(logMessage, throwable, task)));
+ // Paper end
} finally {
this.currentTask = null;
}
this.parsePending();
} else {
this.debugTail = this.debugTail.setNext(new CraftAsyncDebugger(this.currentTick + CraftScheduler.RECENT_TICKS, task.getOwner(), task.getTaskClass()));
- this.executor.execute(task);
+ this.executor.execute(new com.destroystokyo.paper.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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