On 2/10/20 3:07 PM, Martin Weise wrote:
On 10.02.20 19:50, Paul A. Rubin wrote:
On 2/10/20 10:54 AM, Martin Weise wrote:
On 10.02.20 16:14, Paul A. Rubin wrote:
On 2/9/20 1:56 PM, 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.

Does Document > View work (produce a viewable PDF document) with the
pdflatex or LuaTeX formats? If so, when export fails, does it leave a
PDF file in the LyX temp directory?

I'm wondering whether LyX successfully compiles the PDF file in the
temp directory but then fails to copy or move it to the target
directory.

Paul

No, Document -> View (pdflatex) produces nothing either. Nor does the
LuaTeX way. LyX leaves no pdf file in the temp dir. It just leaves .aux,
.dvi,. log, .tex and .dep-pdf files.

Martin

If you open a terminal in the temp directory and run pdflatex against
the .tex file, does it compile? If not, is there a meaningful error
message in the terminal?

Paul

Yes, it does. There is no error.

Martin


Okay, what follows is definitely grasping at straws. From a clean start of LyX, load the HelloWord.lyx file and try to either view or export a PDF. Presumably this will fail. Copy the LaTeX .log file in the LyX temp directory to someplace safe. Leave LyX open (so that the temp directory remains).

Now, in a terminal, run pdflatex on the .tex file in the LyX temp directory. Presumably this succeeds in generating a PDF file. Copy the new LaTeX .log file someplace safe. Then compare the two (using either 'diff' if you are command-line oriented or 'meld' if you like graphical output) and see if you can find a clue in the differences between the log files. Alternatively, you can post both log files here.

Paul

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