http://cr.openjdk.java.net/~iignatyev//8240904/webrev.00
> 35 lines changed: 26 ins; 0 del; 10 mod


Hi all,

8233827[1] which added screenshots to so-called failure handler had an 
unexpected side-effect on linux, where users might observer flashes each time a 
screenshot is taken, which, to put it mildly, is annoying. the patch replaces 
gnome-screenshot app w/ calling java.awt API to make a screenshot. the patch 
also uses the same solution to make screenshots on windows and solaris (which 
previously didn't save screenshots on failures). we still use native app on mac 
as using java.awt API requires accessibility permissions, which might be as 
annoying as flashes on linux.

[1] https://bugs.openjdk.java.net/browse/JDK-8233827

JBS: https://bugs.openjdk.java.net/browse/JDK-8240904
webrev: http://cr.openjdk.java.net/~iignatyev//8240904/webrev.00
testing: verified that screenshots are successfully generated on headful 
systems, and headless systems ignore errors ('java.awt.AWTException: headless 
environment' from j.a.Robot::<init>).

Thanks,
-- Igor


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