System Information
| Field | Value |
|---|---|
| Operating System | Linux - Debian GNU/Linux 13 on x86_64 |
| Product | AMP ‘Deimos’ v2.7.2.2 (Mainline) |
| Virtualization | Podman |
| Application | Minecraft |
| Module | MinecraftModule |
| Running in Container | Yes |
| Current State | Failed |
Problem Description
Issue
cant start mincraft instance on my ubuntu desktop laptop after setup
log:[09:03:56] [System Info/6] : Starting AMP version 2.7.2.2 (Deimos), built 29/04/2026 19:49
[09:03:56] [System Info/6] : Stream: Mainline / Release - built by CUBECODERS/buildbot on CCL-DEV
[09:03:56] [System Info/6] : Running in a Podman environment.
[09:03:56] [System Info/6] : OS: Linux / x86_64
[09:03:56] [System Info/6] : CPU: Intel(R) Core™ i7-9750HF CPU @ 2.60GHz (6C/12T)
[09:03:56] [System Info/6] : RAM: 15908MB
[09:03:56] [System Info/6] : AMP Instance ID: 0a987ffc-1460-4a9b-996d-482fe9fbebf7
[09:03:56] [System Info/6] : Loaded MinecraftModule version 2.7.2.2 by CubeCoders Limited
[09:03:56] [System Info/10] : Metrics publishing is enabled at udp://localhost:12820.
[09:03:56] [System Info/10] : Loaded FileManagerPlugin by CubeCoders Limited
[09:03:56] [System Info/10] : Loaded EmailSenderPlugin by CubeCoders Limited
[09:03:56] [System Info/10] : Loaded WebRequestPlugin by CubeCoders Limited
[09:03:56] [System Info/10] : Loaded WebhookPlugin by CubeCoders Limited
[09:03:56] [System Info/10] : Loaded LocalFileBackupPlugin by CubeCoders Limited
[09:03:56] [System Info/10] : Loaded CommonCorePlugin by CubeCoders Limited
[09:03:56] [System Info/10] : Loaded AnalyticsPlugin by CubeCoders Limited
[09:03:56] [System Info/10] : Loaded StorePlugin by StorePlugin
[09:03:56] [Core Info/10] : Licence Present: AMP Professional Edition - Lifetime Licence
[09:03:57] [System Info/18] : Updating Modpack cache for 94 modpacks…
[09:03:57] [FileManager Notice/10] : No SSH keypair available for embedded server, generating new keypair…
[09:03:57] [FileManager Notice/10] : Generated new keypair with fingerprint UX9GFd1OEgUmrM5qcAM6EGSd9Fi5xWJgzrk5Q0HW8/4=
[09:03:57] [System Notice/10] : Using keypair with fingerprint UX9GFd1OEgUmrM5qcAM6EGSd9Fi5xWJgzrk5Q0HW8/4=
[09:03:57] [System Info/15] : Update complete.
[09:03:57] [System Info/13] : SFTP Server started on 0.0.0.0:2224
[09:03:57] [Scheduler Info/13] : Seeded default example schedules for new instance.
[09:03:57] [Core Info/13] : Webserver started on http://127.0.0.1:8081
[09:03:57] [System Info/13] : Checking for AMP updates…
[09:03:57] [System Info/13] : Startup mode is UpdateAndStart.
[09:03:57] [System Info/17] : AMP is up to date.
[09:04:07] [System Activity/11] : Authentication attempt for user ding from 127.0.0.1
[09:04:07] [System Activity/11] : Authentication success
[09:04:11] [System:ding Activity/11] : Starting the application.
[09:04:11] [Minecraft:ding Info/15] : Java located at /usr/lib/jvm/temurin-21-jdk-amd64/bin/java
[09:04:11] [Minecraft:ding Info/15] : Using ‘Official’ compatibility mode.
[09:04:11] [System:ding Warning/11] : Server failed to start 1/5 times…
[09:04:11] [System:ding Warning/11] : Server stopped within 5 seconds of starting, AMP will not attempt to restart it.
Error: LinkageError occurred while loading main class net.minecraft.bundler.Main
java.lang.UnsupportedClassVersionError: net/minecraft/bundler/Main has been compiled by a more recent version of the Java Runtime (class file version 69.0), this version of the Java Runtime only recognizes class file versions up to 65.0
[09:04:22] [Core:ding Activity/8] : Updating the application.
[09:04:35] [System:ding Activity/17] : Starting the application.
[09:04:35] [Minecraft:ding Info/17] : Java located at /usr/lib/jvm/temurin-21-jdk-amd64/bin/java
[09:04:35] [Minecraft:ding Info/17] : Using ‘Official’ compatibility mode.
Error: LinkageError occurred while loading main class net.minecraft.bundler.Main
java.lang.UnsupportedClassVersionError: net/minecraft/bundler/Main has been compiled by a more recent version of the Java Runtime (class file version 69.0), this version of the Java Runtime only recognizes class file versions up to 65.0
[09:04:35] [System:ding Warning/10] : Server failed to start 2/5 times…
[09:04:35] [System:ding Warning/10] : Server stopped within 5 seconds of starting, AMP will not attempt to restart it.
Reproduction Steps
- Insstalled amp via terminal
- said yes to everiting exept https in setup
- entered licens key in setup in webbrowser
- added new mincraft instance
- acceptet mincraft Eula
- pressed start
- Amp said unabel to start loo into log
- startet writing ticket