PDF export fails with pdflatex and LuaTeX

[Martin Weise]

On 10.02.20 16:06, Scott Kostyshak wrote:
> On Mon, Feb 10, 2020 at 08:18:40AM +0100, Martin Weise wrote:
>> On 10.02.20 02:43, Scott Kostyshak wrote:
>>> On Sun, Feb 09, 2020 at 07:56:56PM +0100, Martin Weise wrote:
>>>> Dear all,
>>>>
>>>> I am using LyX 2.3.3 on Ubuntu 18.04 (and i have been doing so
>>>> (successfully) for almost two years). However, I recently switched
>>>> laptops and therefore needed to reinstall ubuntu.
>>>>
>>>> On the new machine, LyX fails to export pdf files via pdflatex and
>>>> LuaTeX. There is no pdf file after running export. The only thing that
>>>> does work is using ps2pdf.
>>>>
>>>> Here's the message output from Lyx:
>>>>
>>>> ***
>>>> 05:44:25.151: Previewing ...
>>>> 05:44:25.154: (buffer-view: Ctrl+R)
>>>> 05:44:25.158: pdflatex  "Document.tex"
>>>> 05:44:25.232: This is pdfTeX, Version 3.14159265-2.6-1.40.18 (TeX Live
>>>> 2017/Debian) (preloaded format=pdflatex)
>>>> 05:44:25.233:  restricted \write18 enabled.
>>>> 05:44:25.243: entering extended mode
>>>> 05:44:25.244: (./Document.tex
>>>> 05:44:25.253: LaTeX2e <2017-04-15>
>>>> 05:44:25.254: Babel <3.18> and hyphenation patterns for 84 language(s)
>>>> loaded.
>>>> 05:44:25.254:
>>>> 05:44:25.380: pdflatex  "Bauordnungsamt.tex"
>>>> 05:44:25.452: This is pdfTeX, Version 3.14159265-2.6-1.40.18 (TeX Live
>>>> 2017/Debian) (preloaded format=pdflatex)
>>>> 05:44:25.453:  restricted \write18 enabled.
>>>> 05:44:25.462: entering extended mode
>>>> 05:44:25.463: (./Document.tex
>>>> 05:44:25.464: LaTeX2e <2017-04-15>
>>>> 05:44:25.465: Babel <3.18> and hyphenation patterns for 84 language(s)
>>>> loaded.
>>>> 05:44:25.466:
>>>> 05:44:25.593: Successful export to format: PDF
>>>> (pdflatex)support/lassert.cpp (51): ASSERTION status != ExportSuccess
>>>> VIOLATED IN ../../src/Buffer.cpp:4382
>>>> ***
>>>>
>>>> Any idea what might be wrong?
>>>>
>>>> Oh yeah... running pdflatex (manually) on LaTeX code produced by LyX 
>>>> does work.
>>> Hi Martin,
>>>
>>> When you run pdflatex manually on LaTeX code produced by LyX,
>>> does it have a non-zero exit code?
>>>
>>> Can you send a .lyx minimal example file that reproduces the error?
>>>
>>> Best,
>>>
>>> Scott
>> Sure thing... here you go. But it's really just any .lyx file.
>>
>> Running pdflatex manually yields a zero exit code (and thus, a .pdf file).
>>
>> Thanks for your help,
> Thanks for the example file. As you probably expected, it compiles fine
> on my computer (although it was good to check). 
>
> How did you install LyX? Did you install it from the Ubuntu repository,
> or a PPA, or did you manually compile?
>
> When you do the export, do you get an error dialog? What does the
> message pane say right after doing the export?
>
> The line about the assertion in your output means that LyX did not
> detect an error when exporting but at the same time there is no export
> file. So LyX is just as confused as we are it seems.
>
> Best,
>
> Scott

I have tried both the Ubuntu repo version (which is 2.2) and the version
from ppa:lyx-devel/release. Neither version works.

I get no error dialog. The message pane either contains said assertion
error or no error at all (though there is no pdf file afterwards).

Martin