[tex-live] problems with tl2016 pretest

Norbert Preining norbert at preining.info
Fri May 13 15:57:37 CEST 2016

Hi Jim,

> think that it just may be an issue of the design of tl-install, in
> that it doesn't overlap "download the next file" with "unpack this
> file".

What do you mean with "overlap"?

The installer does the following:
for each package to be installed:
  download the file
  check size and checksum
  unpack into destination

Where the 'download the file' has several fall back:
- first try LWP, that is persistent connections
- if that fails, try wget (a few times)
- if that fails, too, give up

So I dont know what you mean with overlap.

> > TLDownload::get_file: response error: 501 Protocol scheme 'ftp' is not supported (for ftp://ftp.math.utah.edu/pub/texlive/tlpretest/archive/12many.tar.xz)
> > TLDownload::get_file: response error: 501 Attempt to reload LWP/Protocol/ftp.pm aborted.
> > It looks like your Perl installation is messed up somehow.
> Huh.  I try not to mess with it (see above).  However, I guess it is
> good to know that it is then likely just me with that problem.

I have to agree with Karl here. Unless the math.utah mirror really
rejects ftp (which Nelson said it doesn't), all this looks really
strange and - not by me - to me. I want to say, I am simply using the 
perl modules LWP, which *should* (and in 99.99999%) work correctly,
as far as I know. The warning message above are from LWP itself and
really look strange.

Some guess work from my side: 
Do you have a firewall (local or local network) that blocks ftp or
active ftp?
Do you need proxies for ftp?

All these things could influence the outcome ... hard to analyze from
here without physical access to the network.

All the best


PREINING, Norbert                               http://www.preining.info
JAIST, Japan                                 TeX Live & Debian Developer
GPG: 0x860CDC13   fp: F7D8 A928 26E3 16A1 9FA0  ACF0 6CAC A448 860C DC13

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