Of course, I'm joking... That's only to curse a bit the ones who invented Java logging system, making it both way too verbose and hard to debug... [;)]

I already use the installer version, and it works (thanks!); the problem is I've installed the one packaged from maintainers. There's a several ...

You're right, Java Web Start and not Online.

Permissions on xprop are already set:

$ ls -la /usr/bin/xprop
-rwxr-xr-x 1 root root 37912 May 6 2015 /usr/bin/xprop

Mysterious, but that's not the issue: I have tested javaws the same under Arch Linux, where there's no /usr/bin/xprop; "cannot access ...

Hi, I'm trying to use the Online version of SH3D; but I'm unable to make it work.
When I click on "Launch Sweet Home 3D with Java Web Start" in http://www.sweethome3d.com/download.jsp, I see the splash window, then the "downloading", and I get a security confirmation dialog; after confirming ...