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PaperMC / Paper

The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies
https://papermc.io/
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ERROR: Not a string #3901

Closed Ice-Drake closed 4 years ago

Ice-Drake commented 4 years ago

What behaviour is expected:

No error

What behaviour is observed:

See the error below repeated several times: [16:32:31 ERROR]: Not a string

Steps/models to reproduce:

The errors start to appear after the server is Done (loading). And it continues to occur when a user log in.

Plugin list:

AConomy, bChatManager, bPermissions, ChestSort, Citizens, DeadChest, dynmap, Dynmap-Citizens2, Dynmap-EssentialMarkers, Dynmap-GriefPrevention, Dynmap-Pet*, Geyser-Spigot, GriefPrevention, LibsDisguises, LumberJack, Multiverse-Core, Multiverse-Portals, MythicMobs, ProtocolLib, Sentinel, Shop, Thirst, Vault, WorldEdit, WorldGuard, WorldResourcepacks

Paper build number:

[19:21:29 INFO]: This server is running Paper version git-Paper-90 (MC: 1.16.1) (Implementing API version 1.16.1-R0.1-SNAPSHOT) [19:21:29 INFO]: Checking version, please wait... [19:21:30 INFO]: Previous version: git-Paper-243 (MC: 1.14.4) [19:21:30 INFO]: You are running the latest version

Anything else:

Can someone else guide me to figuring out where the problem might be coming from? I even set verbose in paper.yml to true, but it makes no difference. I am not getting these errors when I run Paper v1.14.4.

WonderDave commented 4 years ago

I'm also seeing those messages since upgrading from 1.15.2 to 1.16.1, so it's nice to know I'm not the only one. In my case, I think they show up only when a player logs into the server in a non-main world, or when a player changes from the main world to a non-main world. That makes me wonder if maybe the messages are related to Multiverse-Core, which we are both using. The other plugins we have in common are dynmap, Vault, WorldEdit, and WorldGuard.

Ice-Drake commented 4 years ago

Oh, you might be onto something there, @WonderDave. I did happen to log in on the non-main world, so I thought it was coming from the fact that I log in. I was able to observe that the error didn't reappear when I log in to the main world.

Because of the huge server version gap, I need to update almost all my plugins. Apparently, Multiverse-Core is the only one I can't update since there isn't any update for it. But the error indicates that it must be coming from Paper rather than from the plugin itself. I was able to isolate that the issue is not coming from WorldEdit, dynmap, or WorldResourcepacks.

electronicboy commented 4 years ago

This warning is coming from the data fixers in vanilla, would need testing against upstream, mainly spigot/vanilla with world upgrades, but, this is honestly just one of many issues introduced with the data upgrades in 1.16

pjpetree commented 4 years ago

I see this error on my 1.16.1 vanilla server when loading an older world with maps. I think it has to do with the fact that the map 'dimension' tag is now a string and not a byte as it was in older versions of Minecraft.

See: https://bugs.mojang.com/browse/MC-185417

ScuroK commented 4 years ago

Hello. i also get this message spammed in my console. any ideas how i can fix it?

EDIT: im on "git-Paper-137" btw.

Chew commented 4 years ago

This is DFU I believe, shouldn't happen on 1.16.2 (or, well be more descriptive or nonexistent)

Proximyst commented 4 years ago

This should still happen; I can't speak for descriptive-ness, but I highly doubt they've changed it much since 1.16.1.

Chew commented 4 years ago

Ah, well the issue itself, but I believe it no longer says ERROR: Not a string, not a DFU expert though :p

LogGits commented 4 years ago

Can confirm i get this spam in paper 174 1.16.2. EDIT: This is what it looks like:

ERROR 07:00:38
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string
Not a string

And I have also heard that it appears when players join and walk around.

Chew commented 4 years ago

I as well got this, though I was quite a few builds behind. Definitely not spammy.

electronicboy commented 4 years ago

This is marked as resolved, the only remaining issue afaik is a CB bug due to how extra dimensions are handled; The spam here is coming from loading maps which don't have a valid world UUID stored on them, not really sure there is much we can do here

prototype464 commented 4 years ago

Having this issue in 1.16.3 on Paper 207 - happening when I use a command block teleporter to a different location of the world in a separate world from the main world

[14:09:04 ERROR]: Not a string
[14:09:04 ERROR]: Not a string
[14:09:04 ERROR]: Not a string
[14:09:04 ERROR]: Not a string
[14:09:04 ERROR]: Not a string
[14:09:04 ERROR]: Not a string
[14:09:04 ERROR]: Not a string
[14:09:04 ERROR]: Not a string
[14:09:04 ERROR]: Not a string
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[14:09:05 ERROR]: Not a string
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[14:09:06 ERROR]: Not a string
[14:09:06 ERROR]: Not a string
aikar commented 4 years ago

Im working on fixing this, but note it's not an issue. it is purely log spam.

But the source of it did not have any data issues.

Use a log filtering plugin and it'll be resolved for you.

ScuroK commented 4 years ago

thx @aikar

As a "normal user" i would be so glad if this spam would disappear from my console without the need of external tweaks like plugins. i hope u can fix it <3 but in the meantime can you suggest a filter plugin?

Parth-Pandya1606 commented 4 years ago

It is a simple thing Just re star systems and delete the program (make sure correctly) 

Sent from Yahoo Mail on Android

On Sun, Oct 4, 2020 at 4:44 AM, ScuroKnotifications@github.com wrote:

as a "normal user" i would be so glad if this spam would disappear from my console without the need of external tweaks like plugins. i hope u can fix it <3

— You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub, or unsubscribe.

ScuroK commented 4 years ago

It is a simple thing Just re star systems and delete the program (make sure correctly)  Sent from Yahoo Mail on Android On Sun, Oct 4, 2020 at 4:44 AM, ScuroKnotifications@github.com wrote: as a "normal user" i would be so glad if this spam would disappear from my console without the need of external tweaks like plugins. i hope u can fix it <3 — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub, or unsubscribe.

i dont understand