[Version 1.19] Trying to join a server, but I get a DecoderException that says "VarIntArray with size 112 is bigger than 6"

[LeeCrafts]

Log: https://mclo.gs/deeEs09

Error message: 

Internal Exception: io.netty.handler.codec.DecoderException: VarIntArray with size 112 is bigger than allowed 6

I have no clue how this error is occurring. It happens when I attempt join a dedicated server for my mod (i.e. ./gradlew runServer) via my personal Minecraft account. But strangely enough, I don't experience any issues when I join the server using ./gradlew runClient on another Terminal window. I'm not even sure if this issue relates to my mod at all.

Edited June 27, 2022 by LeeCrafts

[LeeCrafts]

Source code: https://github.com/wleethecoder/Goofy-Goober-Minecraft-Mod/tree/1.19

Edited June 30, 2022 by LeeCrafts

[LeeCrafts]

Hmm, to be honest I do not know how I would reproduce this. But if this worked for you, then it must be a problem from my end. I guess I’ll just re-clone my project and try again 

[LeeCrafts]

Update: I've tried /op-ing my account and now I have a new error:

Internal Exception: io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(17768) + length(1) exceeds writerIndex(17768): UnpooledHeapByteBuf(ridx: 17768, widx: 17768, cap: 17768/17768)

What’s more confusing is that it worked for 1.18.2, before I updated my mod for 1.19.

Edited June 29, 2022 by LeeCrafts

[LeeCrafts]

My bad I that I wasn’t clear enough. It does work fine when I try to join the server as Dev—that is, using ./gradlew runClient. But the error appears when I run a Minecraft launcher with the mod’s .jar file (e.g. putting it in the mods folder). Then when I join the localhost server using an account like Lee_Crafts, I get kicked out instantly and receive those aforementioned errors. 

[warjort]

Your mod works fine for me with a production server and client.

But I can get the same error as the one shown in your log if I try to connect to a production server from a client started with gradlew runclient

I guess there is a difference in the network packets sent by dev and production versions that means they cannot to connect to each other?

I don't know if this bug or expected behaviour, I have never tried it before?

BTW how is your .git 1G in size? 🙂

[LeeCrafts]

Yea I dunno if it’s a bug or expected behavior, it worked for the 1.18.2 version of my mod though (it’s been a while since I last tested for that version so maybe I should try again lol <- edit: I tested it and the 1.18.2 version works). 
Anyways, my GitHub repo has like >50 commits…so it’s kind of a good idea to do a shallow clone. 😅 .git keeps track of all history by default. 

Edited June 30, 2022 by LeeCrafts