Hello, Here is a fix of the regression caused by JDK-8225118. Please, have a look. I’ve moved resolving gdk_window_get_scale_factor symbol under gtk version check as was suggested in the comments.
Webrev: http://cr.openjdk.java.net/~avu/JDK-8226654/webrev.00 <http://cr.openjdk.java.net/~avu/JDK-8226654/webrev.00> Best Regards, Alexey