On Tue, 20 Nov 2012, Thomas Weißschuh wrote:

Hi,

while trying to use the module pgfplots from latest ConTeXt minimals I
encountered the following error:

 [..]
 )) 
(/home/t-8ch/Projekte/context/minimals/tex/texmf-modules/tex/generic/pgfplots/libs/pgfplotslibrary.code.tex)
 
(/home/t-8ch/Projekte/context/minimals/tex/texmf-modules/tex/generic/pgfplots/oldpgfcompatib/pgfplotsoldpgfsupp_loader.code.tex
 
(/home/t-8ch/Projekte/context/minimals/tex/texmf-modules/tex/generic/pgf/libraries/pgflibraryfpu.code.tex))
 
(/home/t-8ch/Projekte/context/minimals/tex/texmf-modules/tex/generic/pgfplots/util/pgfplotsutil.codetex
 ! LuaTeX error <\directlua >:1: module 'pgfplots.lua' not found:
        no field package.preload['pgfplots.lua']
        no file './pgfplots/lua.so'
        no file '/usr/local/lib/lua/5.1/pgfplots/lua.so'
        no file '/usr/local/lib/lua/5.1/loadall.so'
        no file './pgfplots.so'
        no file '/usr/local/lib/lua/5.1/pgfplots.so'
        no file '/usr/local/lib/lua/5.1/loadall.so'
 stack traceback:
        [C]: in function 'require'
        <\directlua >:1: in main chunk.

ConTeXt version: 2012.11.16 23:51

See: http://sourceforge.net/mailarchive/message.php?msg_id=29944181

This could be fixed by removing the suffix '.lua' from the argument
to `require(pgfplots.lua)` in line 1979 of the file
tex/texmf-modules/tex/generic/pgfplots/util/pgfplotsutil.code.tex

 diff --git 
a/tex/texmf-modules/tex/generic/pgfplots/util/pgfplotsutil.code.tex.old 
b/tex/texmf-modules/tex/generic/pgfplots/util/pgfplotsutil.code.tex
 index 0ef2cb0..6d504a7 100644
 --- a/tex/texmf-modules/tex/generic/pgfplots/util/pgfplotsutil.code.tex.old
 +++ b/tex/texmf-modules/tex/generic/pgfplots/util/pgfplotsutil.code.tex
 @@ -1976,7 +1976,7 @@
  \catcode`\%=12 \gdef\pgfplotsPERCENT{%}}

  \pgfutil@IfUndefined{directlua}{}{%
 -      \directlua{require(\pgfplotsDQ pgfplots.lua\pgfplotsDQ)}%
 +      \directlua{require(\pgfplotsDQ pgfplots\pgfplotsDQ)}%
  }%

  % swaps the content of two macros

Is this report sufficient or should I also contact pgfplots upstream?

This will be fixed in the next release of pgfplots.

Aditya
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