#106 Can't launch Castle Model Viewer in X3D-Edit after setting path

[John W Carlson]

I got this warning after setting the Castle path with ..., and pressing launch:

Error launching external viewer: Cannot run program "VivatyPlayer" (in directory "/var/tmp"): Exec failed, error: 2 (No such file or directory)

This is a Bazzite Linux distrobox,

Castle runs OK from the shell.

[John W Carlson]

Installed latest NetBeans 29 and latest X3D-Edit plugin (41?). I know they've not be officially approved.

[John W Carlson]

Clarification. I launched NetBeans from the Bazzite Store (Bazzite has a
read-only file system). I tried launching NetBeans inside a distrobox, but
I just got a white window. I have filed an issue with Apache.

So I think if I launch NetBeans from the distrobox command line, launching
Castle world work, once NetBeans is fixed.

On Tue, May 5, 2026 at 2:30 PM John W Carlson yottzumm3@users.sourceforge.net wrote:

---

[tickets:#106] https://sourceforge.net/p/x3d/tickets/106/ Can't launch
Castle Model Viewer in X3D-Edit after setting path

Status: open
Milestone: X3D4
Created: Tue May 05, 2026 07:30 PM UTC by John W Carlson
Last Updated: Tue May 05, 2026 07:30 PM UTC
Owner: Don Brutzman

I got this warning after setting the Castle path with ..., and pressing
launch:

Error launching external viewer: Cannot run program "VivatyPlayer" (in
directory "/var/tmp"): Exec failed, error: 2 (No such file or directory)

This is a Bazzite Linux distrobox,

Castle runs OK from the shell.

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[Don Brutzman]

Please try the beta release of X3D-Edit available at

• https://sourceforge.net/projects/x3d/files/
• https://sourceforge.net/projects/x3d/files/org-web3d-x3d-palette.nbm/download

[John W Carlson]

X3D-Edit betaware now launches Castle Model Viewer! Thanks! I'm going to
see if I can get Sunrize working next!

[Don Brutzman]

You should find buttons for both Castle and Sunrize on your panel. Screenshot follows.