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Questions tagged [minecraft-java-edition-server]

For questions about servers dedicated to Minecraft: Java Edition.

9 votes
9 answers
42k views

Is there a script to determine Minecraft Server Jar Version?

I'm trying to find a way to determine the Minecraft Server version (ie. 12w40b, 1.4.5, etc) of a given Jar file without needing to start up the entire server process? (I have full control over the ...
6 votes
1 answer
1k views

Set player UUID (world owner) in multiplayer

Problem: I have singeplayer world which I moved to multiplayer server (online-mode=false). But when I log in, I have different UUID, so all my dogs are not mine anymore and my villager discounts are ...
3 votes
1 answer
187 views

How to securely run a Minecraft server on a local machine

EDIT: I am using cubecoders AMP to run multiple instances I am looking to set up a public Minecraft server (well multiple off one machine actually). I am wondering if there is a way in which I can ...
1 vote
1 answer
93 views

Unable to join my own Minecraft server while others can

I had a Minecraft server on my main PC, and decided to move it to my laptop. When I started it, my friends could join with my public IP address, but I can't join with the IPv4 IP nor the public IP. I ...
2 votes
1 answer
68 views

Is there an inexpensive method of applying effects to a player based on an item in their inventory?

I'm running a server for a group of friends with a significant number of custom items which give an effect when in the player's inventory (NOT just when held, which minecraft supports natively). ...
2 votes
2 answers
151 views

How can I delete these floating entities in Minecraft that exploiters have spawned to lag the server?

Griefers have spawned these floating entities in my server (Ender Dragon and fire charges) that I cannot interact with. They are causing serious lag, due to the ender dragon having a huge name of ...
1 vote
1 answer
367 views

Minecraft Server keeps overloading, showing an error message: "Can't keep up! Is the server overloaded? Running XXXXms or XX ticks behind" [closed]

I am trying to optimize a modded Minecraft server and have had little luck in determining what could be causing the issues. Here is the issue I am facing, every so often the server will hang up for a ...
-2 votes
2 answers
3k views

What is the difference between Minecraft java edition and bedrock edition? [closed]

I have just recently started playing Minecraft again after a 4 or 5 year hiatus (java edition ~v1.8 apparently), so I have a couple questions: What's the difference between Minecraft Java Edition and ...
3 votes
3 answers
658 views

Is it possible to prevent hostile mobs from spawning on a Minecraft server without using peaceful mode?

Some of the people on my Minecraft server want to be able to explore caves etc on peaceful mode, and while I don't have a problem with turning the server to peaceful once in a while, it may become an ...
3 votes
3 answers
7k views

How to automatically broadcast local server name?

When setting casual LAN Minecraft gaming, I'd find it would be easier and more user friendly if LAN clients just see the local Minecraft server automatically in the Multiplayer screen instead of ...
15 votes
2 answers
21k views

Why is my Minecraft server always using 100% of available RAM?

I have a minecraft server (1.16.5) hosted on a VPS that has 16 GB of ram, I play with 8 friends on the server and it is using all of my ram, we play vanilla survival, but I don't see how this can ...
8 votes
2 answers
641 views

Why has Minecraft generated this 1-chunk wide strip of world?

I recently installed Dynmap, and viewing the map I noticed this 1-chunk wide strip extending directly south from spawn for about 16000 blocks. It can't have been generated by a player, otherwise it ...
0 votes
1 answer
26k views

Cannot connect to my Minecraft Java Edition Server: java.net.connectexception: Connection refused: no further information

If I attempt to connect to my Minecraft Java Edition server via any of my IPs, I get the following error message: java.net.connectexception: Connection refused: no further information The server is ...
-1 votes
1 answer
304 views

My modded server only lets people on my LAN to join [duplicate]

So I've been following a tutorial to set this thing up and so far these are the problems that I have found: No one else that isn't on my WIFI can't join. I have port forwarded my local IP and I cannot ...
1 vote
2 answers
2k views

Keeping Server Chunks loaded? [Vanilla 1.9]

On my server I have observed that whenever I teleport to a far location or even spawn/respawn in Spawn Chunks, the map takes some seconds to load and you fall in the void for bit or see missing chunk ...

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