warjort

Your issue is not something I know a lot about, but I would guess your problem is related to how minecraft sends entity data to the client. If you look at ServerEntity.sendPairingData() it sends multiple network packets for each entity. Relevant to your use case are the first 2 packets: ClientboundAddEntityPacket ClientboundSetEntityDataPacket The first packet will lead to that event being called, but the itemstack inside an ItemEntity is sent in the 2nd packet. Until the 2nd packet arrives, the entity will have default values, in your case that is ItemStack.EMPTY (air) There is no guarantee when the 2nd packet will arrive. Interestingly, Mojang added a new feature to client bound network packets in the latest snapshot https://www.minecraft.net/en-us/article/minecraft-snapshot-23w03a I don't know whether they applied this new feature to entity spawns?

https://github.com/MinecraftForge/MinecraftForge/blob/1.19.x/src/main/java/net/minecraftforge/common/IExtensibleEnum.java RecipeBookType is an IExtensibleEnum

Issue with immersive portals, probably a conflict with another mod. Check you have the latest version then contact the mod author.

Issue with create, others have said it is a conflict with optifine. Something to do with drawing map items. Contact the mod authors.

Conflict between apotheosis and uniquebase (unique enchantments). Check you have the latest versions then contact the mod authors.

There is a forge tag for netherite tools: https://forge.gemwire.uk/wiki/Tags#Blocks

Issue with the drinkbeer mod. Check you have the latest version then contact the mod author.

The error you posted suggests there is an issue with the byg config file. Specifically for the "byg:mangrove_sapling" in "C:\Users\among\AppData\Roaming\.minecraft\config\byg\trades.json5" It's likely you have some configuration for a different version of minecraft or byg if you have been switching versions. You should ask the byg mod author how to fix it. Alternatively, you can try backing up the file and then deleting it. Usually if the file is missing, the mod will recreate it with default values.

You can try to capture a thread dump when it freezes to see if it identifies where the server is getting "stuck". You will need a copy of the java development kit to do it. https://www.baeldung.com/java-thread-dump#:~:text=jstack is a command-line,its output to a file.

By the way, it wouldn't suprise if doing things like that causes memory leaks and other issues in modern minecraft versions due to the way "intrinsic holders" work. You shouldn't be creating objects that are mean to go in registries unless you actually intend to register them.

The crafting table doesn't have an internal inventory. Instead the server keeps track of whether the block is still valid and returns the crafting inventory to the player when it is not. Unlike for example the furnace where the items are assigned to its internal inventory. That is why it is closing your screen,.The block does not exist at the position you specified. See for example: https://forums.minecraftforge.net/topic/114789-best-way-to-create-a-custom-crafting-table-in-119/?do=findComment&comment=508881

You need to post a link to the logs so we can see the error(s).

https://forge.gemwire.uk/wiki/Sides#Writing_One-Sided_Mods Client mods can really only do "cosmetic" things. You can't create items on the client. Or more accurately you can, but they will be useless "ghost" items only known to that player.

Maybe this? https://forums.minecraftforge.net/topic/119038-1192-failed-to-run-example-mod-on-fresh-setup/#comment-522788 Otherwise contact AMD.

You will need to experiment with removing mods until the problem goes away. If you are building your own modpack, choosing a lot of mods of varying quality and expecting it work out of the box is not the way to do it. You should add mods in small related groups and test it. That way you will have a good idea which mod is causing problems.

java has a system property (jvm argument) -Djava.net.preferIPv4Stack=true But the real issue is likely in your operating system or router configuration? So you need to talk to whoever provides support for them.

Can you please stop posting logs in the forum. Use a file upload site. It is impossible to use search when there are multiple logs in a thread. You have another mod with invalid data. Again it does not say which mod. Where are you getting these mods from? You should use a proper mod download site.

"[1.19, 1.19.3)" means it wants a version matching 1.19 <= version < 1.19.3 Which 1.19.3 does not. i.e. the mod is not compatible with 1.19.3

I am no expert on reading the spark reports. You should use the spark discord. For what it's worth. I don't see anything related to what you describe. i.e. players logging in, or the server thread getting stuck for a long period time (freeze). If that profile is really representative of what is happening the problem must be elsewhere, e.g. at the networking or system level. According to the metrics, you ran that profile for 1 minute and 1 seconds. During that time it recorded a full system garbage collection taking 1600ms (1.6 seconds) and says your memory (swap) is 93% full. Both are highlighted in red. Like I said above, the spark developers would be the people to ask on how to interpret their data.

Issue with immersive portals - probably a conflict with another mod? Check you have the latest version then contact the mod author.

One of your mods has an invalid version format. The error message does not say which one. The same version id "1.0-1.19+" is probably included in the jar name?

Maybe this: https://forums.minecraftforge.net/topic/119518-exit-code-1073740940/#comment-524102 Otherwise you need to post a link to the logs/debug.log, crash report or launcher_log.txt so we can see the real cause.

The methods in Block(Behaviour) are deprecated because you are not supposed to call them directly. Instead you should use the method on the BlockState. If you are implementing/overridding the method there is no issue. There may sometimes be a better method to implement on the IForgeBlock interface.

Use java 17, mixin does not support java 19

Check you have the latest version then contact the mod author.