当我启动我的世界时，我得到以下信息：
marc@marc-desktop:~$ java -jar '/home/marc/Schreibtisch/Minecraft.jar'
Bootstrap (v5)
Current time is Feb 19, 2016 8:42:21 PM
System.getProperty('os.name') == 'Linux'
System.getProperty('os.version') == '4.2.0-27-generic'
System.getProperty('os.arch') == 'amd64'
System.getProperty('java.version') == '1.8.0_66-internal'
System.getProperty('java.vendor') == 'Oracle Corporation'
System.getProperty('sun.arch.data.model') == '64'
Looking for update
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma
Got reply in: 612ms
No update found.
Reversing LZMA on /home/marc/.minecraft/launcher.pack.lzma to /home/marc/.minecraft/launcher.pack
Unpacking /home/marc/.minecraft/launcher.pack to /home/marc/.minecraft/launcher.jar
Cleaning up /home/marc/.minecraft/launcher.pack
Starting launcher.
这是正常的，也是必然发生的。问题是它挂起了，我失去了与窗口交互的所有能力。我最近从 Fedora 切换到 Ubuntu，当我使用 Fedora 23 时，一切都运行良好。因此，这一定是 Ubuntu 问题。我正在使用openjdk-8-jre。