Fabric Server kicking player when joining from Velocity

For some reason, when a player join my fabric server (1.12) from velocity (1.21), it immediately kicks them with no error. The fabric server uses Fabric Proxy Lite. Console:
[21:47:52] [Server thread/INFO]: Lupancham[/ip] logged in with entity id 72 at (6.338787694362823, 66.0, 20.757512674201053)
[21:47:52] [Server thread/INFO]: Using Fabric Permissions API
[21:47:52] [Server thread/INFO]: Using Fabric Permissions API
[21:47:52] [Server thread/INFO]: [voicechat] Using Fabric Permissions API
[21:47:52] [Server thread/INFO]: Lupancham joined the game
[21:47:52] [Server thread/INFO]: Lupancham lost connection: Disconnected
[21:47:52] [Server thread/INFO]: Lupancham left the game
[21:47:52] [Server thread/INFO]: [voicechat] Disconnecting client Lupancham
[21:47:52] [Server thread/INFO]: Lupancham[/ip] logged in with entity id 72 at (6.338787694362823, 66.0, 20.757512674201053)
[21:47:52] [Server thread/INFO]: Using Fabric Permissions API
[21:47:52] [Server thread/INFO]: Using Fabric Permissions API
[21:47:52] [Server thread/INFO]: [voicechat] Using Fabric Permissions API
[21:47:52] [Server thread/INFO]: Lupancham joined the game
[21:47:52] [Server thread/INFO]: Lupancham lost connection: Disconnected
[21:47:52] [Server thread/INFO]: Lupancham left the game
[21:47:52] [Server thread/INFO]: [voicechat] Disconnecting client Lupancham
14 Replies
Admincraft Meta
Admincraft Meta7mo ago
Thanks for asking your question!
Make sure to provide as much helpful information as possible such as logs/what you tried and what your exact issue is
Make sure to mark solved when issue is solved!!!
/close !close !solved !answered
Requested by lupancham#0
☆⌈ʟᴜᴘᴀɴᴄʜᴀᴍ⌋☆
Mods, mods ending in .disabled are disabled ``` alternate-current-mc1.21-1.8.0.jar Amplified_Nether_1.21_v1.2.5.jar amplified-nether-height-1.1.jar AnvilNeverTooExpensive-fabric-1.21-1.2.jar architectury-13.0.3-fabric.jar audioplayer-fabric-1.21-1.10.2.jar balm-fabric-1.21-21.0.11.jar bclib-21.0.3.jar better-end-21.0.0.jar c2me-fabric-mc1.21-0.2.0+alpha.11.106.jar.disabled cloth-config-15.0.127-fabric.jar cpm-svc-compat-1.2.1.jar CustomPlayerModels-Fabric-1.21-0.6.17d.jar day-dream-1.0.10.jar dcintegration-fabric-3.0.7.2-1.21.jar.disabled dungeons-and-taverns-ancient-city-overhaul-v2.jar dungeons-and-taverns-desert-temple-overhaul-v1.jar dungeons-and-taverns-jungle-temple-overhaul-v1.jar dungeons-and-taverns-nether-fortress-overhaul-v1.jar dungeons-and-taverns-ocean-monument-overhaul-v1.jar dungeons-and-taverns-pillager-outpost-rework-v2.jar dungeons-and-taverns-stronghold-rework-v2.jar dungeons-and-taverns-swamp-hut-overhaul-v2.jar dungeons-and-taverns-v4.jar dungeons-and-taverns-woodland-mansion-overhaul-v1.jar elytratrims-fabric-3.3.0+1.21.jar fabric-api-0.100.4+1.21.jar fabric-language-kotlin-1.11.0+kotlin.2.0.0.jar FabricProxy-Lite-2.9.0.jar ferritecore-7.0.0-fabric.jar flan-1.21-1.10.6-fabric.jar infinities-1.2+1.21.jar instantgroup-fabric-1.21-1.6.0.jar item-rename-1.0.0-fabric.jar jamlib-fabric-1.0.9+1.21.jar krypton-0.2.8.jar.disabled lithium-fabric-mc1.21-0.12.7.jar MendableAnvils-fabric-1.21-1.2.0.jar midnightlib-fabric-1.5.7.jar moderner-beta-fabric-6.5+er1.3.1+1.21.jar modernfix-fabric-5.18.5+mc1.21.jar modmenu-11.0.1.jar mostructures-fabric-1.5.0+1.21.jar mru-0.4.4+1.21.jar netherportalfix-fabric-1.21-21.0.2.jar noisium-fabric-2.2.1+mc1.21.jar Nullscape_1.21_v1.2.6.jar Pl3xMap-1.21-501.jar repurposed_structures-7.5.3+1.21-fabric.jar servercore-fabric-1.5.3+1.21.jar.disabled sit!-1.1.7+1.21.jar SnowUnderTrees-2.4.0+1.21.jar styledplayerlist-3.5.1+1.21.jar tool-trims-mod-v2-1-3a.jar vcinteraction-fabric-1.21-1.0.7.jar vivecraft-1.21-1.1.9-a2-fabric.jar vmp-fabric-mc1.21-0.2.0+beta.7.162-all.jar.disabled voicechat-fabric-1.21-2.5.18.jar waystones-fabric-1.21-21.0.8.jar worldweaver-21.0.4.jar xlpackets-1.0.5-1.21.jar YetAnotherConfigLib-3.5.0+1.21-fabric.jar you_may_rest_now-fabric-1.0.0+1.21.jar
Skullians
Skullians7mo ago
1. send the entire logs of your backend 2. send the entire logs of your proxy through https://mclo.gs/ which hides private info
mclo.gs - Paste, share & analyse your Minecraft logs
Easily paste your Minecraft logs to share and analyse them.
☆⌈ʟᴜᴘᴀɴᴄʜᴀᴍ⌋☆
I won't be able to get the proxy logs for a while until the person who runs the proxy gets online
Skullians
Skullians7mo ago
:ThumbsUp:
Skullians
Skullians7mo ago
currently it seems to either be a proxy issue or a client issue
☆⌈ʟᴜᴘᴀɴᴄʜᴀᴍ⌋☆
Also noting that I can join the server directly with the proxy disabled
Skullians
Skullians7mo ago
most likely proxy then
☆⌈ʟᴜᴘᴀɴᴄʜᴀᴍ⌋☆
I’ll ask the operator soon
☆⌈ʟᴜᴘᴀɴᴄʜᴀᴍ⌋☆
No clue why it shows as a forge server log Lrss is the fabric server
Skullians
Skullians7mo ago
Particularly for some very large mod packs, there is an elevated risk of the connection between the player and the proxy dropping. There is not much we can do on the proxy end to alleviate this. We suggest either reducing the number of mods your server uses, or raise the read-timeout setting in velocity.toml and add the -Dfml.readTimeout startup flag to your Forge server and setting it to the value (in seconds) you chose for the proxy. For instance, if you determine that 120 seconds is the best read timeout to use, use -Dfml.readTimeout=120 and set read-timeout = 120000 in velocity.toml. that’s for forge Same goes for fabric but may change Are both servers on the same machine
☆⌈ʟᴜᴘᴀɴᴄʜᴀᴍ⌋☆
They are trying with increased timeout limit It does not work also giving the same error in logs uploaded already might have to disconnect the server from the proxy and let it have it's own IP rather than have a npc in the hub

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