Create thumbnail using Java running on headless mode

Question

How to create a thumbnail for an image using java application where X11 not available . I tried using javascalr,im4java but all working if X11 present.

Answer 1

Now I am able to run in headless mode using this below code

static { System.setProperty("java.awt.headless", "true"); System.out.println(java.awt.GraphicsEnvironment.isHeadless()); }