[1.15] Optimize NetworkManager exception handling (#3820)

3 files changed, 96 insertions, 3 deletions

diff --git a/Spigot-Server-Patches/0003-MC-Dev-fixes.patch b/Spigot-Server-Patches/0003-MC-Dev-fixes.patch
index 315c5c35bd..1a66058e61 100644
--- a/Spigot-Server-Patches/0003-MC-Dev-fixes.patch
+++ b/Spigot-Server-Patches/0003-MC-Dev-fixes.patch
@@ -205,6 +205,28 @@ index 7d44348c78b0e468cef5c137d3a69aeb5704d881..73ecdd22ea1157abe00795d90c3e7b74
          this.targetSelector.a(2, new PathfinderGoalNearestAttackableTarget<>(this, EntityHuman.class, true));
          this.targetSelector.a(3, new PathfinderGoalNearestAttackableTarget<>(this, EntityVillagerAbstract.class, true));
          this.targetSelector.a(3, new PathfinderGoalNearestAttackableTarget<>(this, EntityIronGolem.class, true));
+diff --git a/src/main/java/net/minecraft/server/EnumProtocol.java b/src/main/java/net/minecraft/server/EnumProtocol.java
+index b9a18927c6f7dfc9671a80d0f84ec0a37e0ee244..7cba1edc3f2e8fb7cfa730efa0fb3cc5580f12e1 100644
+--- a/src/main/java/net/minecraft/server/EnumProtocol.java
++++ b/src/main/java/net/minecraft/server/EnumProtocol.java
+@@ -13,7 +13,7 @@ import org.apache.logging.log4j.LogManager;
+ 
+ public enum EnumProtocol {
+ 
+-    HANDSHAKING(-1, b().a(EnumProtocolDirection.SERVERBOUND, (new EnumProtocol.a<>()).a(PacketHandshakingInSetProtocol.class, PacketHandshakingInSetProtocol::new))), PLAY(0, b().a(EnumProtocolDirection.CLIENTBOUND, (new EnumProtocol.a<>()).a(PacketPlayOutSpawnEntity.class, PacketPlayOutSpawnEntity::new).a(PacketPlayOutSpawnEntityExperienceOrb.class, PacketPlayOutSpawnEntityExperienceOrb::new).a(PacketPlayOutSpawnEntityWeather.class, PacketPlayOutSpawnEntityWeather::new).a(PacketPlayOutSpawnEntityLiving.class, PacketPlayOutSpawnEntityLiving::new).a(PacketPlayOutSpawnEntityPainting.class, PacketPlayOutSpawnEntityPainting::new).a(PacketPlayOutNamedEntitySpawn.class, PacketPlayOutNamedEntitySpawn::new).a(PacketPlayOutAnimation.class, PacketPlayOutAnimation::new).a(PacketPlayOutStatistic.class, PacketPlayOutStatistic::new).a(PacketPlayOutBlockBreak.class, PacketPlayOutBlockBreak::new).a(PacketPlayOutBlockBreakAnimation.class, PacketPlayOutBlockBreakAnimation::new).a(PacketPlayOutTileEntityData.class, PacketPlayOutTileEntityData::new).a(PacketPlayOutBlockAction.class, PacketPlayOutBlockAction::new).a(PacketPlayOutBlockChange.class, PacketPlayOutBlockChange::new).a(PacketPlayOutBoss.class, PacketPlayOutBoss::new).a(PacketPlayOutServerDifficulty.class, PacketPlayOutServerDifficulty::new).a(PacketPlayOutChat.class, PacketPlayOutChat::new).a(PacketPlayOutMultiBlockChange.class, PacketPlayOutMultiBlockChange::new).a(PacketPlayOutTabComplete.class, PacketPlayOutTabComplete::new).a(PacketPlayOutCommands.class, PacketPlayOutCommands::new).a(PacketPlayOutTransaction.class, PacketPlayOutTransaction::new).a(PacketPlayOutCloseWindow.class, PacketPlayOutCloseWindow::new).a(PacketPlayOutWindowItems.class, PacketPlayOutWindowItems::new).a(PacketPlayOutWindowData.class, PacketPlayOutWindowData::new).a(PacketPlayOutSetSlot.class, PacketPlayOutSetSlot::new).a(PacketPlayOutSetCooldown.class, PacketPlayOutSetCooldown::new).a(PacketPlayOutCustomPayload.class, PacketPlayOutCustomPayload::new).a(PacketPlayOutCustomSoundEffect.class, PacketPlayOutCustomSoundEffect::new).a(PacketPlayOutKickDisconnect.class, PacketPlayOutKickDisconnect::new).a(PacketPlayOutEntityStatus.class, PacketPlayOutEntityStatus::new).a(PacketPlayOutExplosion.class, PacketPlayOutExplosion::new).a(PacketPlayOutUnloadChunk.class, PacketPlayOutUnloadChunk::new).a(PacketPlayOutGameStateChange.class, PacketPlayOutGameStateChange::new).a(PacketPlayOutOpenWindowHorse.class, PacketPlayOutOpenWindowHorse::new).a(PacketPlayOutKeepAlive.class, PacketPlayOutKeepAlive::new).a(PacketPlayOutMapChunk.class, PacketPlayOutMapChunk::new).a(PacketPlayOutWorldEvent.class, PacketPlayOutWorldEvent::new).a(PacketPlayOutWorldParticles.class, PacketPlayOutWorldParticles::new).a(PacketPlayOutLightUpdate.class, PacketPlayOutLightUpdate::new).a(PacketPlayOutLogin.class, PacketPlayOutLogin::new).a(PacketPlayOutMap.class, PacketPlayOutMap::new).a(PacketPlayOutOpenWindowMerchant.class, PacketPlayOutOpenWindowMerchant::new).a(PacketPlayOutEntity.PacketPlayOutRelEntityMove.class, PacketPlayOutEntity.PacketPlayOutRelEntityMove::new).a(PacketPlayOutEntity.PacketPlayOutRelEntityMoveLook.class, PacketPlayOutEntity.PacketPlayOutRelEntityMoveLook::new).a(PacketPlayOutEntity.PacketPlayOutEntityLook.class, PacketPlayOutEntity.PacketPlayOutEntityLook::new).a(PacketPlayOutEntity.class, PacketPlayOutEntity::new).a(PacketPlayOutVehicleMove.class, PacketPlayOutVehicleMove::new).a(PacketPlayOutOpenBook.class, PacketPlayOutOpenBook::new).a(PacketPlayOutOpenWindow.class, PacketPlayOutOpenWindow::new).a(PacketPlayOutOpenSignEditor.class, PacketPlayOutOpenSignEditor::new).a(PacketPlayOutAutoRecipe.class, PacketPlayOutAutoRecipe::new).a(PacketPlayOutAbilities.class, PacketPlayOutAbilities::new).a(PacketPlayOutCombatEvent.class, PacketPlayOutCombatEvent::new).a(PacketPlayOutPlayerInfo.class, PacketPlayOutPlayerInfo::new).a(PacketPlayOutLookAt.class, PacketPlayOutLookAt::new).a(PacketPlayOutPosition.class, PacketPlayOutPosition::new).a(PacketPlayOutRecipes.class, PacketPlayOutRecipes::new).a(PacketPlayOutEntityDestroy.class, PacketPlayOutEntityDestroy::new).a(PacketPlayOutRemoveEntityEffect.class, PacketPlayOutRemoveEntityEffect::new).a(PacketPlayOutResourcePackSend.class, PacketPlayOutResourcePackSend::new).a(PacketPlayOutRespawn.class, PacketPlayOutRespawn::new).a(PacketPlayOutEntityHeadRotation.class, PacketPlayOutEntityHeadRotation::new).a(PacketPlayOutSelectAdvancementTab.class, PacketPlayOutSelectAdvancementTab::new).a(PacketPlayOutWorldBorder.class, PacketPlayOutWorldBorder::new).a(PacketPlayOutCamera.class, PacketPlayOutCamera::new).a(PacketPlayOutHeldItemSlot.class, PacketPlayOutHeldItemSlot::new).a(PacketPlayOutViewCentre.class, PacketPlayOutViewCentre::new).a(PacketPlayOutViewDistance.class, PacketPlayOutViewDistance::new).a(PacketPlayOutScoreboardDisplayObjective.class, PacketPlayOutScoreboardDisplayObjective::new).a(PacketPlayOutEntityMetadata.class, PacketPlayOutEntityMetadata::new).a(PacketPlayOutAttachEntity.class, PacketPlayOutAttachEntity::new).a(PacketPlayOutEntityVelocity.class, PacketPlayOutEntityVelocity::new).a(PacketPlayOutEntityEquipment.class, PacketPlayOutEntityEquipment::new).a(PacketPlayOutExperience.class, PacketPlayOutExperience::new).a(PacketPlayOutUpdateHealth.class, PacketPlayOutUpdateHealth::new).a(PacketPlayOutScoreboardObjective.class, PacketPlayOutScoreboardObjective::new).a(PacketPlayOutMount.class, PacketPlayOutMount::new).a(PacketPlayOutScoreboardTeam.class, PacketPlayOutScoreboardTeam::new).a(PacketPlayOutScoreboardScore.class, PacketPlayOutScoreboardScore::new).a(PacketPlayOutSpawnPosition.class, PacketPlayOutSpawnPosition::new).a(PacketPlayOutUpdateTime.class, PacketPlayOutUpdateTime::new).a(PacketPlayOutTitle.class, PacketPlayOutTitle::new).a(PacketPlayOutEntitySound.class, PacketPlayOutEntitySound::new).a(PacketPlayOutNamedSoundEffect.class, PacketPlayOutNamedSoundEffect::new).a(PacketPlayOutStopSound.class, PacketPlayOutStopSound::new).a(PacketPlayOutPlayerListHeaderFooter.class, PacketPlayOutPlayerListHeaderFooter::new).a(PacketPlayOutNBTQuery.class, PacketPlayOutNBTQuery::new).a(PacketPlayOutCollect.class, PacketPlayOutCollect::new).a(PacketPlayOutEntityTeleport.class, PacketPlayOutEntityTeleport::new).a(PacketPlayOutAdvancements.class, PacketPlayOutAdvancements::new).a(PacketPlayOutUpdateAttributes.class, PacketPlayOutUpdateAttributes::new).a(PacketPlayOutEntityEffect.class, PacketPlayOutEntityEffect::new).a(PacketPlayOutRecipeUpdate.class, PacketPlayOutRecipeUpdate::new).a(PacketPlayOutTags.class, PacketPlayOutTags::new)).a(EnumProtocolDirection.SERVERBOUND, (new EnumProtocol.a<>()).a(PacketPlayInTeleportAccept.class, PacketPlayInTeleportAccept::new).a(PacketPlayInTileNBTQuery.class, PacketPlayInTileNBTQuery::new).a(PacketPlayInDifficultyChange.class, PacketPlayInDifficultyChange::new).a(PacketPlayInChat.class, PacketPlayInChat::new).a(PacketPlayInClientCommand.class, PacketPlayInClientCommand::new).a(PacketPlayInSettings.class, PacketPlayInSettings::new).a(PacketPlayInTabComplete.class, PacketPlayInTabComplete::new).a(PacketPlayInTransaction.class, PacketPlayInTransaction::new).a(PacketPlayInEnchantItem.class, PacketPlayInEnchantItem::new).a(PacketPlayInWindowClick.class, PacketPlayInWindowClick::new).a(PacketPlayInCloseWindow.class, PacketPlayInCloseWindow::new).a(PacketPlayInCustomPayload.class, PacketPlayInCustomPayload::new).a(PacketPlayInBEdit.class, PacketPlayInBEdit::new).a(PacketPlayInEntityNBTQuery.class, PacketPlayInEntityNBTQuery::new).a(PacketPlayInUseEntity.class, PacketPlayInUseEntity::new).a(PacketPlayInKeepAlive.class, PacketPlayInKeepAlive::new).a(PacketPlayInDifficultyLock.class, PacketPlayInDifficultyLock::new).a(PacketPlayInFlying.PacketPlayInPosition.class, PacketPlayInFlying.PacketPlayInPosition::new).a(PacketPlayInFlying.PacketPlayInPositionLook.class, PacketPlayInFlying.PacketPlayInPositionLook::new).a(PacketPlayInFlying.PacketPlayInLook.class, PacketPlayInFlying.PacketPlayInLook::new).a(PacketPlayInFlying.class, PacketPlayInFlying::new).a(PacketPlayInVehicleMove.class, PacketPlayInVehicleMove::new).a(PacketPlayInBoatMove.class, PacketPlayInBoatMove::new).a(PacketPlayInPickItem.class, PacketPlayInPickItem::new).a(PacketPlayInAutoRecipe.class, PacketPlayInAutoRecipe::new).a(PacketPlayInAbilities.class, PacketPlayInAbilities::new).a(PacketPlayInBlockDig.class, PacketPlayInBlockDig::new).a(PacketPlayInEntityAction.class, PacketPlayInEntityAction::new).a(PacketPlayInSteerVehicle.class, PacketPlayInSteerVehicle::new).a(PacketPlayInRecipeDisplayed.class, PacketPlayInRecipeDisplayed::new).a(PacketPlayInItemName.class, PacketPlayInItemName::new).a(PacketPlayInResourcePackStatus.class, PacketPlayInResourcePackStatus::new).a(PacketPlayInAdvancements.class, PacketPlayInAdvancements::new).a(PacketPlayInTrSel.class, PacketPlayInTrSel::new).a(PacketPlayInBeacon.class, PacketPlayInBeacon::new).a(PacketPlayInHeldItemSlot.class, PacketPlayInHeldItemSlot::new).a(PacketPlayInSetCommandBlock.class, PacketPlayInSetCommandBlock::new).a(PacketPlayInSetCommandMinecart.class, PacketPlayInSetCommandMinecart::new).a(PacketPlayInSetCreativeSlot.class, PacketPlayInSetCreativeSlot::new).a(PacketPlayInSetJigsaw.class, PacketPlayInSetJigsaw::new).a(PacketPlayInStruct.class, PacketPlayInStruct::new).a(PacketPlayInUpdateSign.class, PacketPlayInUpdateSign::new).a(PacketPlayInArmAnimation.class, PacketPlayInArmAnimation::new).a(PacketPlayInSpectate.class, PacketPlayInSpectate::new).a(PacketPlayInUseItem.class, PacketPlayInUseItem::new).a(PacketPlayInBlockPlace.class, PacketPlayInBlockPlace::new))), STATUS(1, b().a(EnumProtocolDirection.SERVERBOUND, (new EnumProtocol.a<>()).a(PacketStatusInStart.class, PacketStatusInStart::new).a(PacketStatusInPing.class, PacketStatusInPing::new)).a(EnumProtocolDirection.CLIENTBOUND, (new EnumProtocol.a<>()).a(PacketStatusOutServerInfo.class, PacketStatusOutServerInfo::new).a(PacketStatusOutPong.class, PacketStatusOutPong::new))), LOGIN(2, b().a(EnumProtocolDirection.CLIENTBOUND, (new EnumProtocol.a<>()).a(PacketLoginOutDisconnect.class, PacketLoginOutDisconnect::new).a(PacketLoginOutEncryptionBegin.class, PacketLoginOutEncryptionBegin::new).a(PacketLoginOutSuccess.class, PacketLoginOutSuccess::new).a(PacketLoginOutSetCompression.class, PacketLoginOutSetCompression::new).a(PacketLoginOutCustomPayload.class, PacketLoginOutCustomPayload::new)).a(EnumProtocolDirection.SERVERBOUND, (new EnumProtocol.a<>()).a(PacketLoginInStart.class, PacketLoginInStart::new).a(PacketLoginInEncryptionBegin.class, PacketLoginInEncryptionBegin::new).a(PacketLoginInCustomPayload.class, PacketLoginInCustomPayload::new)));
++    HANDSHAKING(-1, b().a(EnumProtocolDirection.SERVERBOUND, (new EnumProtocol.a<PacketHandshakingInListener>()).a(PacketHandshakingInSetProtocol.class, PacketHandshakingInSetProtocol::new))), PLAY(0, b().a(EnumProtocolDirection.CLIENTBOUND, (new EnumProtocol.a<PacketListenerPlayOut>()).a(PacketPlayOutSpawnEntity.class, PacketPlayOutSpawnEntity::new).a(PacketPlayOutSpawnEntityExperienceOrb.class, PacketPlayOutSpawnEntityExperienceOrb::new).a(PacketPlayOutSpawnEntityWeather.class, PacketPlayOutSpawnEntityWeather::new).a(PacketPlayOutSpawnEntityLiving.class, PacketPlayOutSpawnEntityLiving::new).a(PacketPlayOutSpawnEntityPainting.class, PacketPlayOutSpawnEntityPainting::new).a(PacketPlayOutNamedEntitySpawn.class, PacketPlayOutNamedEntitySpawn::new).a(PacketPlayOutAnimation.class, PacketPlayOutAnimation::new).a(PacketPlayOutStatistic.class, PacketPlayOutStatistic::new).a(PacketPlayOutBlockBreak.class, PacketPlayOutBlockBreak::new).a(PacketPlayOutBlockBreakAnimation.class, PacketPlayOutBlockBreakAnimation::new).a(PacketPlayOutTileEntityData.class, PacketPlayOutTileEntityData::new).a(PacketPlayOutBlockAction.class, PacketPlayOutBlockAction::new).a(PacketPlayOutBlockChange.class, PacketPlayOutBlockChange::new).a(PacketPlayOutBoss.class, PacketPlayOutBoss::new).a(PacketPlayOutServerDifficulty.class, PacketPlayOutServerDifficulty::new).a(PacketPlayOutChat.class, PacketPlayOutChat::new).a(PacketPlayOutMultiBlockChange.class, PacketPlayOutMultiBlockChange::new).a(PacketPlayOutTabComplete.class, PacketPlayOutTabComplete::new).a(PacketPlayOutCommands.class, PacketPlayOutCommands::new).a(PacketPlayOutTransaction.class, PacketPlayOutTransaction::new).a(PacketPlayOutCloseWindow.class, PacketPlayOutCloseWindow::new).a(PacketPlayOutWindowItems.class, PacketPlayOutWindowItems::new).a(PacketPlayOutWindowData.class, PacketPlayOutWindowData::new).a(PacketPlayOutSetSlot.class, PacketPlayOutSetSlot::new).a(PacketPlayOutSetCooldown.class, PacketPlayOutSetCooldown::new).a(PacketPlayOutCustomPayload.class, PacketPlayOutCustomPayload::new).a(PacketPlayOutCustomSoundEffect.class, PacketPlayOutCustomSoundEffect::new).a(PacketPlayOutKickDisconnect.class, PacketPlayOutKickDisconnect::new).a(PacketPlayOutEntityStatus.class, PacketPlayOutEntityStatus::new).a(PacketPlayOutExplosion.class, PacketPlayOutExplosion::new).a(PacketPlayOutUnloadChunk.class, PacketPlayOutUnloadChunk::new).a(PacketPlayOutGameStateChange.class, PacketPlayOutGameStateChange::new).a(PacketPlayOutOpenWindowHorse.class, PacketPlayOutOpenWindowHorse::new).a(PacketPlayOutKeepAlive.class, PacketPlayOutKeepAlive::new).a(PacketPlayOutMapChunk.class, PacketPlayOutMapChunk::new).a(PacketPlayOutWorldEvent.class, PacketPlayOutWorldEvent::new).a(PacketPlayOutWorldParticles.class, PacketPlayOutWorldParticles::new).a(PacketPlayOutLightUpdate.class, PacketPlayOutLightUpdate::new).a(PacketPlayOutLogin.class, PacketPlayOutLogin::new).a(PacketPlayOutMap.class, PacketPlayOutMap::new).a(PacketPlayOutOpenWindowMerchant.class, PacketPlayOutOpenWindowMerchant::new).a(PacketPlayOutEntity.PacketPlayOutRelEntityMove.class, PacketPlayOutEntity.PacketPlayOutRelEntityMove::new).a(PacketPlayOutEntity.PacketPlayOutRelEntityMoveLook.class, PacketPlayOutEntity.PacketPlayOutRelEntityMoveLook::new).a(PacketPlayOutEntity.PacketPlayOutEntityLook.class, PacketPlayOutEntity.PacketPlayOutEntityLook::new).a(PacketPlayOutEntity.class, PacketPlayOutEntity::new).a(PacketPlayOutVehicleMove.class, PacketPlayOutVehicleMove::new).a(PacketPlayOutOpenBook.class, PacketPlayOutOpenBook::new).a(PacketPlayOutOpenWindow.class, PacketPlayOutOpenWindow::new).a(PacketPlayOutOpenSignEditor.class, PacketPlayOutOpenSignEditor::new).a(PacketPlayOutAutoRecipe.class, PacketPlayOutAutoRecipe::new).a(PacketPlayOutAbilities.class, PacketPlayOutAbilities::new).a(PacketPlayOutCombatEvent.class, PacketPlayOutCombatEvent::new).a(PacketPlayOutPlayerInfo.class, PacketPlayOutPlayerInfo::new).a(PacketPlayOutLookAt.class, PacketPlayOutLookAt::new).a(PacketPlayOutPosition.class, PacketPlayOutPosition::new).a(PacketPlayOutRecipes.class, PacketPlayOutRecipes::new).a(PacketPlayOutEntityDestroy.class, PacketPlayOutEntityDestroy::new).a(PacketPlayOutRemoveEntityEffect.class, PacketPlayOutRemoveEntityEffect::new).a(PacketPlayOutResourcePackSend.class, PacketPlayOutResourcePackSend::new).a(PacketPlayOutRespawn.class, PacketPlayOutRespawn::new).a(PacketPlayOutEntityHeadRotation.class, PacketPlayOutEntityHeadRotation::new).a(PacketPlayOutSelectAdvancementTab.class, PacketPlayOutSelectAdvancementTab::new).a(PacketPlayOutWorldBorder.class, PacketPlayOutWorldBorder::new).a(PacketPlayOutCamera.class, PacketPlayOutCamera::new).a(PacketPlayOutHeldItemSlot.class, PacketPlayOutHeldItemSlot::new).a(PacketPlayOutViewCentre.class, PacketPlayOutViewCentre::new).a(PacketPlayOutViewDistance.class, PacketPlayOutViewDistance::new).a(PacketPlayOutScoreboardDisplayObjective.class, PacketPlayOutScoreboardDisplayObjective::new).a(PacketPlayOutEntityMetadata.class, PacketPlayOutEntityMetadata::new).a(PacketPlayOutAttachEntity.class, PacketPlayOutAttachEntity::new).a(PacketPlayOutEntityVelocity.class, PacketPlayOutEntityVelocity::new).a(PacketPlayOutEntityEquipment.class, PacketPlayOutEntityEquipment::new).a(PacketPlayOutExperience.class, PacketPlayOutExperience::new).a(PacketPlayOutUpdateHealth.class, PacketPlayOutUpdateHealth::new).a(PacketPlayOutScoreboardObjective.class, PacketPlayOutScoreboardObjective::new).a(PacketPlayOutMount.class, PacketPlayOutMount::new).a(PacketPlayOutScoreboardTeam.class, PacketPlayOutScoreboardTeam::new).a(PacketPlayOutScoreboardScore.class, PacketPlayOutScoreboardScore::new).a(PacketPlayOutSpawnPosition.class, PacketPlayOutSpawnPosition::new).a(PacketPlayOutUpdateTime.class, PacketPlayOutUpdateTime::new).a(PacketPlayOutTitle.class, PacketPlayOutTitle::new).a(PacketPlayOutEntitySound.class, PacketPlayOutEntitySound::new).a(PacketPlayOutNamedSoundEffect.class, PacketPlayOutNamedSoundEffect::new).a(PacketPlayOutStopSound.class, PacketPlayOutStopSound::new).a(PacketPlayOutPlayerListHeaderFooter.class, PacketPlayOutPlayerListHeaderFooter::new).a(PacketPlayOutNBTQuery.class, PacketPlayOutNBTQuery::new).a(PacketPlayOutCollect.class, PacketPlayOutCollect::new).a(PacketPlayOutEntityTeleport.class, PacketPlayOutEntityTeleport::new).a(PacketPlayOutAdvancements.class, PacketPlayOutAdvancements::new).a(PacketPlayOutUpdateAttributes.class, PacketPlayOutUpdateAttributes::new).a(PacketPlayOutEntityEffect.class, PacketPlayOutEntityEffect::new).a(PacketPlayOutRecipeUpdate.class, PacketPlayOutRecipeUpdate::new).a(PacketPlayOutTags.class, PacketPlayOutTags::new)).a(EnumProtocolDirection.SERVERBOUND, (new EnumProtocol.a<PacketListenerPlayIn>()).a(PacketPlayInTeleportAccept.class, PacketPlayInTeleportAccept::new).a(PacketPlayInTileNBTQuery.class, PacketPlayInTileNBTQuery::new).a(PacketPlayInDifficultyChange.class, PacketPlayInDifficultyChange::new).a(PacketPlayInChat.class, PacketPlayInChat::new).a(PacketPlayInClientCommand.class, PacketPlayInClientCommand::new).a(PacketPlayInSettings.class, PacketPlayInSettings::new).a(PacketPlayInTabComplete.class, PacketPlayInTabComplete::new).a(PacketPlayInTransaction.class, PacketPlayInTransaction::new).a(PacketPlayInEnchantItem.class, PacketPlayInEnchantItem::new).a(PacketPlayInWindowClick.class, PacketPlayInWindowClick::new).a(PacketPlayInCloseWindow.class, PacketPlayInCloseWindow::new).a(PacketPlayInCustomPayload.class, PacketPlayInCustomPayload::new).a(PacketPlayInBEdit.class, PacketPlayInBEdit::new).a(PacketPlayInEntityNBTQuery.class, PacketPlayInEntityNBTQuery::new).a(PacketPlayInUseEntity.class, PacketPlayInUseEntity::new).a(PacketPlayInKeepAlive.class, PacketPlayInKeepAlive::new).a(PacketPlayInDifficultyLock.class, PacketPlayInDifficultyLock::new).a(PacketPlayInFlying.PacketPlayInPosition.class, PacketPlayInFlying.PacketPlayInPosition::new).a(PacketPlayInFlying.PacketPlayInPositionLook.class, PacketPlayInFlying.PacketPlayInPositionLook::new).a(PacketPlayInFlying.PacketPlayInLook.class, PacketPlayInFlying.PacketPlayInLook::new).a(PacketPlayInFlying.class, PacketPlayInFlying::new).a(PacketPlayInVehicleMove.class, PacketPlayInVehicleMove::new).a(PacketPlayInBoatMove.class, PacketPlayInBoatMove::new).a(PacketPlayInPickItem.class, PacketPlayInPickItem::new).a(PacketPlayInAutoRecipe.class, PacketPlayInAutoRecipe::new).a(PacketPlayInAbilities.class, PacketPlayInAbilities::new).a(PacketPlayInBlockDig.class, PacketPlayInBlockDig::new).a(PacketPlayInEntityAction.class, PacketPlayInEntityAction::new).a(PacketPlayInSteerVehicle.class, PacketPlayInSteerVehicle::new).a(PacketPlayInRecipeDisplayed.class, PacketPlayInRecipeDisplayed::new).a(PacketPlayInItemName.class, PacketPlayInItemName::new).a(PacketPlayInResourcePackStatus.class, PacketPlayInResourcePackStatus::new).a(PacketPlayInAdvancements.class, PacketPlayInAdvancements::new).a(PacketPlayInTrSel.class, PacketPlayInTrSel::new).a(PacketPlayInBeacon.class, PacketPlayInBeacon::new).a(PacketPlayInHeldItemSlot.class, PacketPlayInHeldItemSlot::new).a(PacketPlayInSetCommandBlock.class, PacketPlayInSetCommandBlock::new).a(PacketPlayInSetCommandMinecart.class, PacketPlayInSetCommandMinecart::new).a(PacketPlayInSetCreativeSlot.class, PacketPlayInSetCreativeSlot::new).a(PacketPlayInSetJigsaw.class, PacketPlayInSetJigsaw::new).a(PacketPlayInStruct.class, PacketPlayInStruct::new).a(PacketPlayInUpdateSign.class, PacketPlayInUpdateSign::new).a(PacketPlayInArmAnimation.class, PacketPlayInArmAnimation::new).a(PacketPlayInSpectate.class, PacketPlayInSpectate::new).a(PacketPlayInUseItem.class, PacketPlayInUseItem::new).a(PacketPlayInBlockPlace.class, PacketPlayInBlockPlace::new))), STATUS(1, b().a(EnumProtocolDirection.SERVERBOUND, (new EnumProtocol.a<PacketStatusInListener>()).a(PacketStatusInStart.class, PacketStatusInStart::new).a(PacketStatusInPing.class, PacketStatusInPing::new)).a(EnumProtocolDirection.CLIENTBOUND, (new EnumProtocol.a<PacketStatusOutListener>()).a(PacketStatusOutServerInfo.class, PacketStatusOutServerInfo::new).a(PacketStatusOutPong.class, PacketStatusOutPong::new))), LOGIN(2, b().a(EnumProtocolDirection.CLIENTBOUND, (new EnumProtocol.a<PacketLoginOutListener>()).a(PacketLoginOutDisconnect.class, PacketLoginOutDisconnect::new).a(PacketLoginOutEncryptionBegin.class, PacketLoginOutEncryptionBegin::new).a(PacketLoginOutSuccess.class, PacketLoginOutSuccess::new).a(PacketLoginOutSetCompression.class, PacketLoginOutSetCompression::new).a(PacketLoginOutCustomPayload.class, PacketLoginOutCustomPayload::new)).a(EnumProtocolDirection.SERVERBOUND, (new EnumProtocol.a<PacketLoginInListener>()).a(PacketLoginInStart.class, PacketLoginInStart::new).a(PacketLoginInEncryptionBegin.class, PacketLoginInEncryptionBegin::new).a(PacketLoginInCustomPayload.class, PacketLoginInCustomPayload::new))); // Paper - fix decompile error
+ 
+     private static final EnumProtocol[] e = new EnumProtocol[4];
+     private static final Map<Class<? extends Packet<?>>, EnumProtocol> f = Maps.newHashMap();
+@@ -98,7 +98,7 @@ public enum EnumProtocol {
+         private final List<Supplier<? extends Packet<T>>> b;
+ 
+         private a() {
+-            this.a = (Object2IntMap) SystemUtils.a((Object) (new Object2IntOpenHashMap()), (object2intopenhashmap) -> {
++            this.a = (Object2IntMap) SystemUtils.a((new Object2IntOpenHashMap()), (object2intopenhashmap) -> { // Paper - fix decompile error
+                 object2intopenhashmap.defaultReturnValue(-1);
+             });
+             this.b = Lists.newArrayList();
 diff --git a/src/main/java/net/minecraft/server/Fluid.java b/src/main/java/net/minecraft/server/Fluid.java
 index 035f05e82769445f213c225a731db6d95626f6cd..7c9ba128620f54c9cd691d350d1ee225d867fe70 100644
 --- a/src/main/java/net/minecraft/server/Fluid.java
diff --git a/Spigot-Server-Patches/0346-Optimize-Network-Manager-and-add-advanced-packet-sup.patch b/Spigot-Server-Patches/0346-Optimize-Network-Manager-and-add-advanced-packet-sup.patch
index 3194886087..83dedf419f 100644
--- a/Spigot-Server-Patches/0346-Optimize-Network-Manager-and-add-advanced-packet-sup.patch
+++ b/Spigot-Server-Patches/0346-Optimize-Network-Manager-and-add-advanced-packet-sup.patch
@@ -28,7 +28,7 @@ and then catch exceptions and close if they fire.
 Part of this commit was authored by: Spottedleaf
 
 diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
-index b1dededc15cce686ead74a99bee64c89ac1de22c..32886109d03f9991446381160d5406056d2bf860 100644
+index b1dededc15cce686ead74a99bee64c89ac1de22c..ed63bf3648153ce9ecab75e960c612337cbcbfe8 100644
 --- a/src/main/java/net/minecraft/server/NetworkManager.java
 +++ b/src/main/java/net/minecraft/server/NetworkManager.java
 @@ -64,6 +64,10 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
@@ -55,7 +55,7 @@ index b1dededc15cce686ead74a99bee64c89ac1de22c..32886109d03f9991446381160d540605
          this.packetListener = packetlistener;
      }
 +    // Paper start
-+    private EntityPlayer getPlayer() {
++    EntityPlayer getPlayer() {
 +        if (packetListener instanceof PlayerConnection) {
 +            return ((PlayerConnection) packetListener).player;
 +        } else {
@@ -331,7 +331,7 @@ index 2d8e6a2f4a0c3c5d74a647d7164b0028781d3bf5..c5edf8c4b01cc7ddac06797133e6fd13
          return false;
      }
 diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
-index 707b4523536dd6c3192451982e6e33ea4e263053..dc86dae6ff15d38fcc3af2a5f65119aa2daf08f0 100644
+index 6d7eb21fb05b2771084ab634ff4d32997b62ee9e..133a6eb9785baa0720ae254636d1ecafb5ee0217 100644
 --- a/src/main/java/net/minecraft/server/PlayerList.java
 +++ b/src/main/java/net/minecraft/server/PlayerList.java
 @@ -143,6 +143,7 @@ public abstract class PlayerList {
diff --git a/Spigot-Server-Patches/0550-Optimize-NetworkManager-Exception-Handling.patch b/Spigot-Server-Patches/0550-Optimize-NetworkManager-Exception-Handling.patch
new file mode 100644
index 0000000000..e6b4f649a3
--- /dev/null
+++ b/Spigot-Server-Patches/0550-Optimize-NetworkManager-Exception-Handling.patch
@@ -0,0 +1,71 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Andrew Steinborn <[email protected]>
+Date: Sun, 5 Jul 2020 22:59:38 -0400
+Subject: [PATCH] Optimize NetworkManager Exception Handling
+
+
+diff --git a/src/main/java/net/minecraft/server/EnumProtocol.java b/src/main/java/net/minecraft/server/EnumProtocol.java
+index 7cba1edc3f2e8fb7cfa730efa0fb3cc5580f12e1..300286354f58d7761ede06ab2df8d42cfe3d936e 100644
+--- a/src/main/java/net/minecraft/server/EnumProtocol.java
++++ b/src/main/java/net/minecraft/server/EnumProtocol.java
+@@ -128,6 +128,7 @@ public enum EnumProtocol {
+ 
+         @Nullable
+         public Packet<?> a(int i) {
++            if (i < 0 || i >= this.b.size()) return null; // Paper
+             Supplier<? extends Packet<T>> supplier = (Supplier) this.b.get(i);
+ 
+             return supplier != null ? (Packet) supplier.get() : null;
+diff --git a/src/main/java/net/minecraft/server/PacketSplitter.java b/src/main/java/net/minecraft/server/PacketSplitter.java
+index cdaa8be90d16b0e9e2f92a3e2ed120b856feab54..2aaa8770edfd8acc6861c23176e405863858b275 100644
+--- a/src/main/java/net/minecraft/server/PacketSplitter.java
++++ b/src/main/java/net/minecraft/server/PacketSplitter.java
+@@ -9,11 +9,21 @@ import java.util.List;
+ 
+ public class PacketSplitter extends ByteToMessageDecoder {
+ 
++    private final byte[] lenBuf = new byte[3]; // Paper
+     public PacketSplitter() {}
+ 
+     protected void decode(ChannelHandlerContext channelhandlercontext, ByteBuf bytebuf, List<Object> list) throws Exception {
++        // Paper start - if channel is not active just discard the packet
++        if (!channelhandlercontext.channel().isActive()) {
++            bytebuf.skipBytes(bytebuf.readableBytes());
++            return;
++        }
++        // Paper end
+         bytebuf.markReaderIndex();
+-        byte[] abyte = new byte[3];
++        // Paper start - reuse temporary length buffer
++        byte[] abyte = lenBuf;
++        java.util.Arrays.fill(abyte, (byte) 0);
++        // Paper end
+ 
+         for (int i = 0; i < abyte.length; ++i) {
+             if (!bytebuf.isReadable()) {
+diff --git a/src/main/java/net/minecraft/server/PlayerConnectionUtils.java b/src/main/java/net/minecraft/server/PlayerConnectionUtils.java
+index eb3269e0ea3ce33d08e9eee3bca7cf434921e991..7ea293f38dedd6066601d94adbe175a31c502e1f 100644
+--- a/src/main/java/net/minecraft/server/PlayerConnectionUtils.java
++++ b/src/main/java/net/minecraft/server/PlayerConnectionUtils.java
+@@ -22,6 +22,21 @@ public class PlayerConnectionUtils {
+                     try (Timing ignored = timing.startTiming()) { // Paper - timings
+                     packet.a(t0);
+                     } // Paper - timings
++                    // Paper start
++                    catch (Exception e) {
++                        NetworkManager networkmanager = t0.a();
++                        if (networkmanager.getPlayer() != null) {
++                            LOGGER.error("Error whilst processing packet {} for {}[{}]", packet, networkmanager.getPlayer().getName(), networkmanager.getSocketAddress(), e);
++                        } else {
++                            LOGGER.error("Error whilst processing packet {} for connection from {}", packet, networkmanager.getSocketAddress(), e);
++                        }
++                        ChatComponentText error = new ChatComponentText("Packet processing error");
++                        networkmanager.sendPacket(new PacketPlayOutKickDisconnect(error), (future) -> {
++                            networkmanager.close(error);
++                        });
++                        networkmanager.stopReading();
++                    }
++                    // Paper end
+                 } else {
+                     PlayerConnectionUtils.LOGGER.debug("Ignoring packet due to disconnection: " + packet);
+                 }