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Server freezes on Join


NimaWoods

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Whenever a user tries to join the Minecraft server, the server freezes and the user times out. I'm a server admin and I'm trying to solve the problem. It only happens to certain users, 2 so far. Everyone else has no problems. i had it too but could solve it with deleting a config from Toms Simple Storage Mod

here is the log from the user: https://justpaste.it/5nutb

here is the log from the server: https://justpaste.it/8wric

Crash Report: https://justpaste.it/cqwss

Debug Log: https://justpaste.it/a2m5r

Modpack: https://www.curseforge.com/minecraft/modpacks/create-flavored

Edited by NimaWoods
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What you have posted is very incomplete.

You need to post the logs/debug.log so we can see the debug messages and since this is likely a mod network problem, you should add the following to client and server jvm arguments

-Dforge.logging.mojang.level=debug

that will let us see Mojang's network logging.

You add it in the same place you specify the -Xmx memory value.

 

There is no error in the server log. There are some warnings saying spark is timing out waiting for its statistics.

The only other message related to a mod is:

Quote

[09May2023 12:03:55.087] [Server thread/INFO] [xaero.pac.OpenPartiesAndClaims/]: Updating all forceload tickets for 7e55541b-7e5e-4c11-91c8-fe5a780af0ee

but that is not an error.

 

The client log has the following warnings:

Quote

[14:04:02] [Render thread/WARN]: Unknown custom packet identifier: architectury:network

[14:04:02] [Render thread/WARN]: Unknown custom packet identifier: servertabinfo:network

 

[14:04:34] [Netty Client IO #3/INFO]: Server has additional mods that may be needed on the client: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected]

some of those are not client side only mods.

 

If you really do think the server is "freezing". You need to get a thread dump during the freeze so we can see where it is stuck.

https://www.baeldung.com/java-thread-dump

 

If the full logging does not show any additional error information, it is likely the only way you will find the problem mod is by experimenting with removing mods in a test world

until you find removing which mod that makes the problem go away.

 

Since this is mopack, you should contact the mod pack authors to see if they have seen this problem before.

Edited by warjort
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If you don't post your logs/debug.log we can't help you. For curseforge you need to enable the forge debug.log in its minecraft settings. You should also post your crash report if you have one.

If there is no error in the log file and you don't have a crash report then post the launcher_log.txt from the minecraft folder. Again for curseforge this will be in your curseforge/minecraft/Install

Large files should be posted to a file sharing site like https://gist.github.com  You should also read the support forum sticky post.

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