In case anyone else wants to pile on, the new bug identifier/title is:

157428 Viewer - Opening a script with an invalid viewerProcess causes a 
RuntimeError

-Nathan

On May 2, 2017 12:24, Howard Jones <[email protected]> wrote:
I was setting the luts through the menu.py based on show.  If name in show: etc
Where name is the show specific name and show what the user is on.

The show is not set by an environment as such but a setting in the users home 
folder.  (I think I can find a way for init to pick it up. )

But as Nathan says, this is a bug as the viewer process has nothing to do with 
a BG render so should have been ignored anyway.


Thanks for all the help

Howard

> On 2 May 2017, at 6:13 pm, Michael Habenicht <[email protected]> wrote:
>
> I used to reset all viewers to None when a script was prepared for sending to 
> the farm to work around this bug.
> When switching to Ocio that was no problem anymore as the show specific 
> config is always set through the environment variable.
> So what do you define in your menu.py, Howard?
>
> Nathan Rusch <[email protected]> wrote:
>
>> This is definitely a bug. There is no reason a Viewer should have any
>> effect on a headless render. I reported this and had it logged as Bug
>> 35502 back in 2013, and tried again last October to complete radio
>> silence. I just pinged them about it again, so maybe third time's the
>> charm.
>>
>> -Nathan
>>
>> On 5/2/2017 2:31 AM, Howard Jones wrote:
>>
>> Aha! - menu.py as I wanted it to be show specific.
>> Thanks - I guess I’ll forget the show for the moment.
>>
>>
>> Howard Jones
>> Visual Effects Supervisor
>> m: 07973 265624 | e: [email protected]<mailto:[email protected]> |
>> w: www.axis-vfx.com<http://www.axis-vfx.com>
>>
>>
>>
>> On 2 May 2017, at 09:38, Ben Dickson
>> <[email protected]<mailto:[email protected]>> wrote:
>>
>> Hm, are you registering the "showLUT" viewer process from menu.py or
>> init.py?
>>
>> On 02/05/17 17:36, Howard Jones wrote:
>> Hi
>>
>> I have a basic gizmo with an OCIOFileTransform in it which is the
>> showLUT. If I submit to the Nuke BG renderer or deadline Farm I get an
>> error. Nuke’s is invisible but the farm is
>>
>> An exception occurred: Error: [ 8:55.48] ERROR: Bad value for
>> viewerProcess : showLUT
>>
>> This was created in Nuke and is attached - though the name of the LUT
>> and path have been changed. Created in the correct version of nuke.
>> This is fine within Nuke and renders in Nuke but fails on BG and farm.
>>
>> I have other viewerProcess LUTs that are fine but this is the only one
>> with OCIOFileTransform and a cube.
>>
>> Nuke8v06, OS agnostic
>> *
>> Howard**Jones*
>> Visual Effects Supervisor
>> m: 07973 265624| e:[email protected]<http://axis-vfx.com/>
>> <mailto:[email protected]>| w:
>> www.axis-vfx.com<http://www.axis-vfx.com/>
>> <http://www.axis-vfx.com<http://www.axis-vfx.com/>>
>>
>> *
>> *
>>
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>>
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