In case this helps anyone else: In my case, the LuaTeX error resulted from what appears to be a corrupt font cache. I was getting the error: > !LuaTeX error: cannot find OpenType font file for reading () > ==> Fatal error occurred, no output PDF file produced! The solution was to clean the LuaTeX font cache in my ConTeXt standalone directory. Mine was in: ` ~/context/tex/texmf-cache/luatex-cache/context/<...>/fonts/otf/ ` (The <…> represents a long string of numbers.) I deleted the .tma and .tmc files in that OTF directory. Upon running ConTeXt again, everything worked fine. [The source of this discovery was http://tex.stackexchange.com/questions/65038/luatex-cannot-find-existing-font ] Talal > On 10 Dec 2015, at 23:10, talazem@fastmail.fm wrote: > > I am having the same problem as the OP. I have manually edited the font-otr.lua file as per the patch below, and I deleted the font cache. But all to no avail. I still get: > > !LuaTeX error: cannot find OpenType font file for reading () > ==> Fatal error occurred, no output PDF file produced! > > Is there a solution to this? > > Many thanks, > Talal > >> On 8 Dec 2015, at 00:22, Philipp Gesang > wrote: >> >> ········· >> >>> On 12/6/2015 10:14 PM, Philipp Gesang wrote: >>>> ········· >>>> >>>>> The problem persisted with Courier New, not only Source Sans Pro (SSP). >>>>> >>>>> The font file for Source Sans Pro came directly from the Google's font service. >>>>> >>>>> The SSP (on my machine) works fine in Inkscape. >>>>> >>>>> The exact same font was also working before the ConTeXt upgrade. >>>> >>>> Confirmed, it appears to work if you revert to the old loader in >>>> font-lib.mkvi. >>> >>> i need a better example of what fails then as it works here >> >> >> The problem seems to be the “filename” field being written to the >> cache from the wrong source. Between the old and the new >> fontloader, you get the following picture in the “resources” >> record: >> >> + ["filename"]="Everson_Mono_Bold.ttf", >> - ["filename"]="/tmp/here-be-fonts/Everson_Mono_Bold.ttf", >> >> The attached patch fixes it for me. >> >> Philipp >> >> ___________________________________________________________________________________ >> If your question is of interest to others as well, please add an entry to the Wiki! >> >> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context >> webpage : http://www.pragma-ade.nl / http://tex.aanhet.net >> archive : http://foundry.supelec.fr/projects/contextrev/ >> wiki : http://contextgarden.net >> ___________________________________________________________________________________ > > ___________________________________________________________________________________ > If your question is of interest to others as well, please add an entry to the Wiki! > > maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context > webpage : http://www.pragma-ade.nl / http://tex.aanhet.net > archive : http://foundry.supelec.fr/projects/contextrev/ > wiki : http://contextgarden.net > ___________________________________________________________________________________