Startup Issue with Minecraft - Starting error when custom map selected

Technical Support
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1

System Information

Field Value
Operating System Linux - Debian GNU/Linux 12 on x86_64
Product AMP ‘Phobos’ v2.6.0.12 (Mainline)
Virtualization Docker
Application Minecraft
Module MinecraftModule
Running in Container Yes
Current State Failed

Problem Description

Issue

I genuinely don’t know what to do, please help me

Reproduction Steps

  • I upload a custom map world to the server by sftp with FileZilla.
  • The Server recognizes it and lets me select it
  • When I start up the server and error comes out and the log says that there is an issue with the custom world
2

You must share the error for people to help you

3

So when the start up fails this appears: The Minecraft server repeatedly failed to start, this is not a fault with AMP - you should check your Minecraft servers log files to find out why it is unable to start.
And when I go to the console register this appears:
java.nio.file.AccessDeniedException: ./30kEarth/session.lock
at sun.nio.fs.UnixException.translateToIOException(UnixException.java:90) ~[?:?] {}
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:106) ~[?:?] {}
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111) ~[?:?] {}

4

Use the web file manager to remove the ./30kEarth/session.lock file, then try again.

The error usually means that the world was still in use when it was exported/uploaded, which can sometimes lead to data loss.
If you have the world, I would suggest making sure that your singleplayer world is fully exited before uploading the world folder.

1 Like
5

I suspended the uploading process for various hours and when I came back, there was an error that I think was related to some data transfer error but I could resume it normally so it might be that, thank you.

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