For the past few weeks, me and my friend have been having trouble on our vanilla Java server. It keeps closing after around 5-10 minutes of playtime, even today closing in as quick as 50 seconds of being on the server. There's no plugins, nothing special about it. It's just a plain vanilla Minecraft server.
When I look into the log, there are no errors, there's nothing for me to try and fix. It doesn't say why it's closing, it just closes for seemingly no reason, as if somebody closed it by pressing the button to stop the server. I'm so confused, and I could use a hand here. Here's the most recent log in case I'm glossing over or missing something: https://mclo.gs/1fVYo0X