Corrupt PDF files with LMTX?

From: "Jairo A. del Rio" <jairoadelrio6@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Corrupt PDF files with LMTX?
Date: Sat, 24 Apr 2021 01:03:08 -0500	[thread overview]
Message-ID: <CAKyqqaZxjd_HF11ewmV=Dy0FO31pKomdsqqR-UfajBQFMD7wTw@mail.gmail.com> (raw)

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Hi, list!
When I try to convert a PDF generated by ConTeXt LMTX to PNG using
ImageMagick's convert the following happens:

   **** Error: stream Length incorrect.
               Output may be incorrect.
   **** Error:  An error occurred while reading an XREF table.
   **** The file has been damaged.  This may have been caused
   **** by a problem while converting or transfering the file.
   **** Ghostscript will attempt to recover the data.
   **** However, the output may be incorrect.
Error: /ioerror in --runpdf--
Operand stack:
   post_eof_count   4096   --nostringval--   4571
Execution stack:
   %interp_exit   .runexec2   --nostringval--   runpdf   --nostringval--
2   %stopped_push   --nostringval--   runpdf   runpdf   false   1
%stopped_push   1990   1   3   %oparray_pop   1989   1   3   %oparray_pop
1977   1   3   %oparray_pop   1978   1   3   %oparray_pop   runpdf   runpdf
  runpdf   runpdf   runpdf   runpdf   runpdf
Dictionary stack:
   --dict:735/1123(ro)(G)--   --dict:1/20(G)--   --dict:80/200(L)--
--dict:80/200(L)--   --dict:135/256(ro)(G)--   --dict:315/325(ro)(G)--
--dict:28/32(L)--
Current allocation mode is local
GPL Ghostscript 9.50: Unrecoverable error, exit code 1
convert-im6.q16: FailedToExecuteCommand `'gs' -sstdout=%stderr -dQUIET
-dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000
-dAlignToPixels=0 -dGridFitTT=2 '-sDEVICE=pngalpha' -dTextAlphaBits=4
-dGraphicsAlphaBits=4 '-r300x300'
 '-sOutputFile=/tmp/magick-55690XUwDR8veJQEc%d'
'-f/tmp/magick-55690zbxNvSPCVCYe' '-f/tmp/magick-55690aVvG11u3p8wd'' (1) @
error/pdf.c/InvokePDFDelegate/291.
convert-im6.q16: no images defined `151.png' @
error/convert.c/ConvertImageCommand/3258.

I'd blame ImageMagick, except for the fact that 1) other converters fail
too and 2) it doesn't happen with ConTeXt MkIV (PDF is successfully
converted).

Cordially,

Jairo

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