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Minecraft server jar crashes code#
This can often be done by just having the script listen for certain lines of code or perhaps issuing a list command and wait for its response. I know it is a lot to take in right away.The general idea of an auto shutdown/ auto restart script is that the script needs to know when the server crashes. I hope this helps get you on a path to understanding what is going on. There are also alternative plugins that do this. They can be hard to understand, but the Spigot and Paper Spigot communities can help you read what the reports mean.
Minecraft server jar crashes how to#
If you still have problems that can not be resolved with a more efficient server and optimization, learn how to use Timings reports. Lastly, Paper Spigot (and spigot) have command tools that can help to analyze what is causing lag that results in the "Can't keep up!" error. Aside from that use, I recommend conducting your adventures away from the spawn chunks. One thing spawn chunks are good for is if you really wanted to run command blocks that affect the entire server all the time. This means that it may be best not to do a lot of tick heavy things in spawn chunks, like having a giant animal farm, hopper system, redstone machine. But spawn chunks remain loaded and processing wherever you are on the server. Normally a chunk is only loaded when you are near them, and thus things inside the chunk begin processing like hoppers, mob movement. The chunks around the overworld spawn point are called spawn chunks. If you do generate, the plugin listed, WorldBorder, is out of date. Depending on how much you generate, this could take several GB on your storage drive. Be aware that if you did use a plugin to help do this, the world size will get big. If you are playing solo, and even with a couple friends, you may not need to pregenerate the map(s). The optimization guide also talks about pre-generating the map. 3-4gb should be fine for you, and even a couple of friends. You don't need a lot of ram dedicated to the server when running a simple server. Note that with the optimization guide by celebrimbor, the final item talks about your start file java flags. Paper Spigot runs better than the native Minecraft server, but there are also basic optimization settings you can implement that have been documented here. They also allow for plugins to be installed, but I'm not going to get into that in this response. These are open-source server implementations that make a more efficient Minecraft server. You can use Spigot or, better yet, Paper Spigot. HDDs are too slow to produce good results.īut, you are not limited to the native Minecraft server. Note, you should store and run the Minecraft server data on an SSD drive. The Minecraft server has been noted to have become harder to process over the years. But if you have a new server and new world and you haven't done anything yet, then it can mean that the Minecraft server is just not efficient enough for your computer. If you have been doing a lot of these things very quickly in a new server and new world, then this could be the source of your problem. When there is too much, the server becomes overloaded and says "Can't keep up". all these things can contribute to the processing per tick. Minecraft has 20 ticks per second, and game events are processed each tick.Įntities, animals, players, chunk generation, flowing liquid, block entities, command blocks, redstone machines, hoppers, minecarts. This doesn't necessarily mean that the CPU is too slow to run the Minecraft server, just that there are too many things running each tick that it can not keep up with. The error you are receiving means that the computer can not keep up with the processing required for the game environment.