I am using ssh from my mac machine and running FlexFlux for Flux Balance Analysis(FBA). Then I got this:
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.(Window.java:536) at java.awt.Frame.(Frame.java:420) at javax.swing.JFrame.(JFrame.java:233) at flexflux.analyses.result.FBAResult.plot(FBAResult.java:260) at flexflux.applications.FlexfluxFBA.main(FlexfluxFBA.java:157)