Quaro render won't finish

[axelbdt]

Description

Hello,

I was happily using quarto to render a document with a few python cells to html.
Today, quarto render tsp.qmd hanged indefinitely, at a later stage where I assume all my code has already run.

I have had the problem seemingly out of nowhere while using 1.5.55, I upgraded to 1.6.40 but problem remains.

Here are the last line of log where it gets stuck. I am not sure what it is doing as I'd assume the job is done at this point.

Cell 23/24: ''...Done
Cell 24/24: ''...Done

pandoc 
to: html
output-file: tsp.html
standalone: true
section-divs: true
html-math-method: mathjax
wrap: none
default-image-extension: png

metadata
document-css: false
link-citations: true
date-format: long
lang: en
title: TSP XCSP
author: Axel Baudot

Can you give any pointer to debug this issue ?

Many thanks.

[cderv]

Can you give any pointer to debug this issue ?

Look at https://quarto.org/docs/troubleshooting/, especially the verbose mode. This could give us more info on what is hanging, or where in the render process.

[axelbdt]

Thank you for the tips, here is an update:

I left the render run overnight and it did complete at some point. My python code has print statements for many large variables and output a large amout of text, I have deleted the worst offenders and I am back to reasonable (and finite) rendering time.

I ran quarto render --verbose tsp.qmd with the print statements by curiosity. It gets stuck at

[INFO] Running filter /opt/quarto/share/filters/main.lua

To be clear, not a problem anymore with the print statements removed.

Cheers

[cderv]

Glad it works !

Surprising though as I would expect main.lua to happen after execution. But this probably means that some document output processing (from your python cell output) are very long to deal with in our Lua processing.

If you have idea what could have caused the problem, we welcome any example so that we see if there is room for improvement.