On Wed, 9 Jul 2003 21:06:36 +0000 (UTC), "Paul A. Rubin" <[EMAIL PROTECTED]>
said:
> [posted and mailed]
> 
> "Rafael Magui�a" <[EMAIL PROTECTED]> wrote in 
> news:[EMAIL PROTECTED]:
> 
> > The log-file wasn't there. The test.tex file is written, the path is
> > also alright - yap looks for the temp dvi file in the right place, but
> > then, there is just the tex file, the dvi file is missing. So, i guess
> > it is a latex problem, because the *.tex file is not converted to
> > *.dvi... I couldn't go farther than that, but then... I'm just a 
> > newby at latex/lyx.
> 
> Well, that's a bit puzzling (though consistent with what Jim Reid 
> reported).  This is a long shot, but try Help-LaTeX Configuration and 
> check  "LaTeX version currently in use".  If it does not contain a date 
> (and typically this would also mean that the page itself has question 
> marks in lieu of a date in its heading), then LyX can't find your LaTeX 
> installation.  In that case, you need to make sure that latex.exe is on 
> your path, then run Edit->Reconfigure.  I think Jim Reid said that his 
> LyX was indicating that LaTeX had been found, though, so I'm not 
> optimistic about this.
> 
> If you were using a more recent version of Windoze, I might suspect a 
> permissions problem (LyX trying to invoke latex.exe but latex.exe 
> requiring root permissions, or some such).  I had a problem a while back 
> on a Windows 2000 machine that boiled down to a difference between the 
> permissions Cygwin assigned to a file and the permissions Windoze 
> assigned to it.  However, Win 98 SE isn't particularly anal about 
> permissions (in fact, I don't recall being able to assign permissions in 
> it), so that's not likely to be the problem.
> 
> Another experiment you might try: load a document into LyX; use ctrl-alt-
> del to pop up the list of processes running; then click View->DVI and 
> watch the process list to see whether latex.exe starts or not.  It might 
> be that latex.exe is being invoked but dying without writing a log file.
> 
> Or maybe this is something peculiar to the native version, in which case 
> someone else will have to come up with the answer.
> 
> Meanwhile, you at least have a workaround, albeit a tedious one:
> 
> 1.  Use File->Export to export your LyX file as a LaTeX file.  This 
> should export to the same directory in which the LyX file lives, not to a 
> temp directory.
> 
> 2.  Open a DOS prompt in that directory and run latex <file.tex>.  Since 
> you're new to LaTeX, I'll warn you that if you have references in your 
> document, you have to run LaTeX at least twice (the first time creates an 
> auxiliary file with the references, the second time uses that file to 
> fill in reference numbers).  Also, if you put in a bibliography, you'll 
> have to run bibtex after the first latex run and before the second one.  
> My rule of thumb is to keep running latex until the log output 
> stabilizes.  :-)
> 
> 3.  Now run yap, or whatever your DVI viewer is, on the DVI.
> 
> You still get to use LyX to shield you from Evil Red TeX, so this is not 
> all bad, but obviously it's not nearly as good as resolving the problem.
> 
> > And I'm astonished to having got so much help so
> > quick. Thanks!
> 
> Benjamin Franklin predates Windows, but nonetheless has a quote relevant 
> to Windows users:  "We must all hang together, or assuredly we shall all 
> hang separately."
> 
> -- Paul

It was just the paths!! They were missing. Neither yap.exe nor latex.exe
or the rest dll's that are needed for converting the lyx -> tex -> dvi
were being loaded. That is why there wasn't also any log file being
written. So, I tried editing Edit -> Preferences -> Converters (-> File
Formats), i.e. typing the whole paths to the viewer (in my case yap) and
to the converter (latex), and it worked!

Thanks for the help! And I hope this helps some other newbie like
myself...

Regards,
Rafael

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