Yao Pack modpack is crashing on startup

HenrikoMagnifico · Oct 18th 2019

Hi! I'm Henriko Magnifico, the modpack author of the Yao Pack; a tech and magic modpack available on Technic Launcher and now recently also available on Aternos.

Unfortunately, there seems to be some issues with Yao Pack on Aternos servers. When trying to start up an Aternos server with the Yao Pack modpack installed it crashes the server after roughly 16K lines of comments in the server log. Please see the full error log below. Yao Pack works just fine on servers when hosted on local machines using the official Yao Pack server builder which can be downloaded directly from the modpack page on Technic launcher.

I am suspecting this might be caused by a failed conversion or installation of the Yao Pack on Aternos servers, since the logs are not the same between hosting the servers on local hardware and on Aternos. The version of the Yao Pack that should be installed on Aternos should be the same that is provided in the official Yao Pack server builder.

Full error log: https://drive.google.com/file/…kmT5n6xZ/view?usp=sharing

Aternos log (not full since it's capped at 6138 lines of comments): https://mclo.gs/vZZZS3g

Any help with this issue would be very much appreciated.

Cheers!

Roman · Oct 20th 2019

Hi,

the reason for the crash was that the server had just too less ram allocated, I raised the assigned ram and the server is able to start so far.

Quote from HenrikoMagnifico

The version of the Yao Pack that should be installed on Aternos should be the same that is provided in the official Yao Pack server builder.

We always use the server packs provided by the modpack creators and don't even support packs which don't offer such "official" server packs to avoid exactly these cases where problems come from manual installation or sth. like this.

Occasionally we remove mods such as backup mods, world pregenerators etc. when we notice that these cause problems since removing such mods usually do not require any changes to the client.

But for YaoPack we did not do any modifications on the mod collection.

But another thing I noticed while testing this pack was that it is not possible join it because of: "Fatally missing registry entries"

To make sure that it is not caused by our system I set up a completely new serverwith the downloaded server pack on my pc and reinstalled the client, but had the same result:

Server Log:

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Client log:

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Code

[00:07:02] [Client thread/INFO] [net.minecraft.client.multiplayer.GuiConnecting]: Connecting to localhost, 25565
[00:07:02] [Netty Epoll Client IO #2/INFO] [FML]: Server protocol version 2
[00:07:02] [Netty Epoll Client IO #2/INFO] [FML]: Attempting connection with missing mods [foamfixcore, antiqueatlasoverlay, betteradvancements, blur, controlling, ctm, custommainmenu, defaultoptions, ding, discordsuite, foamfix, jeresources, llor, lunatriuscore, mekanism, mekanismgenerators, mekanismtools, resourceloader, schematica, reauth] at SERVER
[00:07:02] [Client thread/INFO] [FML]: Injecting existing registry data into this client instance
[00:07:02] [Client thread/INFO] [FML]: Registry Block: Found a missing id from the world quark:charcoal_block
[00:07:03] [Client thread/INFO] [FML]: Registry IRecipe: Found a missing id from the world quark:charcoal_block
[00:07:03] [Client thread/INFO] [FML]: Registry IRecipe: Found a missing id from the world quark:coal
[00:07:03] [Client thread/INFO] [FML]: Registry IRecipe: Found a missing id from the world modularforcefieldsystem:[com.nekokittygames.mffs.common.item.itemcarddatalink@6e3ea965] => item.modularforcefieldsystem.empty_card
[00:07:03] [Client thread/INFO] [FML]: Registry IRecipe: Found a missing id from the world modularforcefieldsystem:[com.nekokittygames.mffs.common.item.itemcardpersonalid@4caf7801] => item.modularforcefieldsystem.empty_card
[00:07:03] [Client thread/INFO] [FML]: Registry IRecipe: Found a missing id from the world modularforcefieldsystem:[com.nekokittygames.mffs.common.item.itemcardsecuritylink@3b754daa] => item.modularforcefieldsystem.empty_card
[00:07:03] [Client thread/INFO] [FML]: Registry IRecipe: Found a missing id from the world modularforcefieldsystem:[com.nekokittygames.mffs.common.item.itemcardpowerlink@6647c4d7] => item.modularforcefieldsystem.empty_card
[00:07:03] [Client thread/INFO] [FML]: Registry IRecipe: Found a missing id from the world modularforcefieldsystem:[com.nekokittygames.mffs.common.item.itemaccesscard@26abb2e7] => item.modularforcefieldsystem.empty_card
[00:07:03] [Client thread/INFO] [FML]: Registry Item: Found a missing id from the world quark:charcoal_block
[00:07:03] [Client thread/WARN] [minecolonies]: Remapping of minecolonies blocks started.
[00:07:03] [Client thread/WARN] [minecolonies]: Remapping completed. Remapped: 0 entries.
[00:07:03] [Client thread/ERROR] [FML]: Unidentified mapping from registry minecraft:blocks
[00:07:03] [Client thread/ERROR] [FML]:     quark:charcoal_block: 1712
[00:07:03] [Client thread/ERROR] [FML]: Unidentified mapping from registry minecraft:recipes
[00:07:03] [Client thread/ERROR] [FML]:     quark:coal: 6109
[00:07:03] [Client thread/ERROR] [FML]:     quark:charcoal_block: 6108
[00:07:03] [Client thread/ERROR] [FML]:     modularforcefieldsystem:[com.nekokittygames.mffs.common.item.itemcardpersonalid@4caf7801] => item.modularforcefieldsystem.empty_card: 10014
[00:07:03] [Client thread/ERROR] [FML]:     modularforcefieldsystem:[com.nekokittygames.mffs.common.item.itemcardsecuritylink@3b754daa] => item.modularforcefieldsystem.empty_card: 10015
[00:07:03] [Client thread/ERROR] [FML]:     modularforcefieldsystem:[com.nekokittygames.mffs.common.item.itemcarddatalink@6e3ea965] => item.modularforcefieldsystem.empty_card: 10017
[00:07:03] [Client thread/ERROR] [FML]:     modularforcefieldsystem:[com.nekokittygames.mffs.common.item.itemcardpowerlink@6647c4d7] => item.modularforcefieldsystem.empty_card: 10013
[00:07:03] [Client thread/ERROR] [FML]:     modularforcefieldsystem:[com.nekokittygames.mffs.common.item.itemaccesscard@26abb2e7] => item.modularforcefieldsystem.empty_card: 10016
[00:07:03] [Client thread/WARN] [minecolonies]: Remapping of minecolonies items started.
[00:07:03] [Client thread/WARN] [minecolonies]: Remapping completed. Remapped: 0 entries.
[00:07:03] [Client thread/ERROR] [FML]: Unidentified mapping from registry minecraft:items
[00:07:03] [Client thread/ERROR] [FML]:     quark:charcoal_block: 6493
[00:07:03] [Netty Epoll Client IO #2/ERROR] [FML]: Network Disconnect: Fatally missing registry entries
[00:07:03] [Netty Epoll Client IO #2/INFO] [EnderCore]: Reset configs to client values for com.enderio.core.common.config.ConfigHandler
[00:07:03] [Netty Epoll Client IO #2/INFO] [schematica]: Scheduling client settings reset.
[00:07:03] [Netty Epoll Client IO #2/FATAL] [FML]: Failed to connect to server: there are 2 missing registry items
[00:07:07] [Client thread/INFO] [schematica]: Client settings have been reset.

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HenrikoMagnifico · Oct 20th 2019

Hi Roman!

Thanks for your quick response. I've looked into the error and it appears to have been caused by a mismatched configuration between the Yao Pack client and the server. Mekanism was also out of date on the server, so I've fixed that as well. I have updated Yao Pack to ensure the versions configurations are the same between the server and client, and it now works perfectly on my side and should on yours as well (I've made sure of it, now!)

Please update Yao Pack on Aternos to the latest version using the provided server builder version 3.1.10 which can be downloaded from the Yao Pack modpack page or directly from Google Drive here.

Thanks for your help!

-Henriko

Edit: One thing however, I noticed the amount of RAM set in Aternos for Yao Pack is 2630MB. The minimum amount of RAM recommended for Yao Pack is roughly 3GB or else there will be heavy stuttering or lag, especially during chunk generation. Increasing the RAM in Aternos by 500MB to Yao Pack would greatly improve server performance.

Yao Pack modpack is crashing on startup

Roman Sep 15th 2020

"Failed to synchronize registry data from server"

RLCraft

CUANDO ME CONECTO A MI SERVIDOR DE ATERNOS ME SALE UN PROBLEMA CON LOS MODS...

Internal Exception: java.lang.IndexOutOfBoundsException

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