jedes mal wenn ich meinen server starte kommt das:

Setting up logger: /home/container/server.jar.log

JVM info: Temurin - 1.8.0_312 - 25.312-b07
java.net.preferIPv4Stack=true
Found java version 1.8.0_312
Exception in thread "main" java.awt.HeadlessException: 
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
    at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:204)
    at java.awt.Window.<init>(Window.java:536)
    at java.awt.Frame.<init>(Frame.java:420)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:381)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:179)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:65)

scheinbar liegt es an der java version, welche brauche ich denn?