1：

[13:27:58 ERROR]: Failed to load properties from file: server.properties
[13:27:58 WARN]: Failed to load eula.txt

2：

[13:29:20 WARN]: To start the server with more ram, launch it as "java -Xmx1024M -Xms1024M -jar minecraft_server.jar"
[13:29:20 WARN]: ****************************
[13:29:20 WARN]: YOU ARE RUNNING THIS SERVER AS AN ADMINISTRATIVE OR ROOT USER. THIS IS NOT ADVISED.
[13:29:20 WARN]: YOU ARE OPENING YOURSELF UP TO POTENTIAL RISKS WHEN DOING THIS.
[13:29:20 WARN]: FOR MORE INFORMATION, SEE https://madelinemiller.dev/blog/root-minecraft-server/
[13:29:20 WARN]: ****************************