Re: [Lynx-dev] site newly returns 503 unavailable for lynx

[Thomas Dickey]

On Mon, Aug 23, 2021 at 09:29:06AM -0600, Karl Berry wrote:
> A few days ago, my local public library system (which is running koha)
> started returning the http error "503 service unavailable" with lynx and
> links to any search url, for example:
> https://coastlinelibrarynetwork.org/cgi-bin/koha/opac-search.pl?advsearch=1&idx=ti%2Cphr&q=these+precious+days&op=and&idx=au%2Cwrdl&q=ann+patchett&do=Search

that works for me with current lynx.  I checked this in case there was
some unexpected side-effect from the recent changes in dev.9 (but this
is of course the copy that I compiled for myself).
 
> The normal result would be a page saying "No results found" (expected,
> since this book hasn't been published yet). It's the same 503 error for
> searches on existing items.
> 
> It works fine with graphical browsers (firefox, chrome, seamonkey), and
> wget returns the page source, which is full of JavaScript. The site has
> worked fine with lynx for many years.  The library home page
> (https://coastlinelibrarynetwork.org) does come up with lynx, but not
> the searches. 
> 
> I've tried different user-agent strings and assorted other options, but
> nothing seems to make a difference. My guess is that something in the
> JavaScript is aborting with the 503.

I was able to activate the "button", which isn't a _new_ feature.
 
> Any ideas on how to proceed? Is there a plausible way to get JavaScript
> in lynx? I couldn't find anything that looked feasible to me on the

no...

> web. The librarians and/or their tech support (a company named Bywater)
> would help me if they could, but they know nothing about lynx. I've
> failed to find anything on the web.
> 
> This is under CentOS7.9 with the current version of lynx
> (2.8.9rel.1 (08 Jul 2018)), which I compiled from the original source,

The development version is 2.9.0dev.9 (I did notice that 2.8.9 was 3 years
old, but other programs have their own problems...).

> as well as the old distro version (2.8.8dev.15 (18 Nov 2012)).
> 
> I haven't tried a headless firefox/chrome/whatever yet.
> I guess that will be my next effort.
> 
> Any help appreciated. --thanks, karl.

I'd try 2.9.0dev.9 before digging too deeply into problems.

-- 
Thomas E. Dickey <dickey@invisible-island.net>
https://invisible-island.net
ftp://ftp.invisible-island.net

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