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via minecraftforum.net by Unknown author, 1 year ago
java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it.
via GitHub by CoporalKritz
, 2 weeks ago
java.lang.RuntimeException: Patcher expecting non-empty class data file for net.minecraft.crash.CrashReport$1, but received empty, your vanilla jar may be corrupt.
java.awt.HeadlessException: 
No X11 DISPLAY variable was set, but this program performed an operation which requires it.	at java.awt.GraphicsEnvironment.checkHeadless(Unknown Source)	at java.awt.Window.(Unknown Source)	at java.awt.Frame.(Unknown Source)	at java.awt.Frame.(Unknown Source)	at javax.swing.SwingUtilities$SharedOwnerFrame.(Unknown Source)	at javax.swing.SwingUtilities.getSharedOwnerFrame(Unknown Source)	at javax.swing.JOptionPane.getRootFrame(Unknown Source)	at javax.swing.JOptionPane.showOptionDialog(Unknown Source)	at javax.swing.JOptionPane.showMessageDialog(Unknown Source)	at javax.swing.JOptionPane.showMessageDialog(Unknown Source)	at chylex.javacheck.report.JavaCheckerReporter.call(JavaCheckerReporter.java:32)	at chylex.javacheck.report.JavaCheckerReporter.call(JavaCheckerReporter.java:13)	at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:157)	at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:43)	at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:12)