[Koha] Note on three suspected bugs

Manos PETRIDIS egpetridis at yahoo.com
Mon Aug 20 08:04:43 NZST 2012

Having performed some additional testing I have come to believe that usually
koha displays local images for only the books that Amazon returns images
for, plus one local image per page, of a book that Amazon doesn't return an
image for. 
I have noted exceptions to the rule above, but they always refer to specific
books, that for some reason unknown so far, do not "count" in the "one local
image per page" rule. In the pages that these specific books appear, we have
two local images for books that Amazon doesn't return images for.

You may see the behaviour I'm trying to describe, in two videos I've
uploaded to YouTube:
Please note in the second video, how all available local images appear as
the page loads, only to disappear once the page has finished loading, bar


-----Original Message-----
From: koha-bounces at lists.katipo.co.nz
[mailto:koha-bounces at lists.katipo.co.nz] On Behalf Of Manos Petridis
Sent: Saturday, August 18, 2012 8:50 AM
To: koha at lists.katipo.co.nz
Subject: Re: [Koha] Note on three suspected bugs

Forgot to mention that as it regards note(b), there seems to be a link
between Amazon covers search and displaying local covers: In most cases
local cover is displayed for each book, until Amazon search returns no cover
(or times-out). Then, local covers disappear for those books that no Amazon
cover is returned.
Manos Petridis
----- Original Message -----
> From: Manos Petridis <egpetridis at yahoo.com>
> To: "koha at lists.katipo.co.nz" <koha at lists.katipo.co.nz>
> Cc: 
> Sent: Saturday, August 18, 2012 3:16 AM
> Subject: [Koha] Note on three suspected bugs
> I'd like to note/report some somewhat irregular behaviour I noticed on 
> my koha installation ( on Debian).
> a) Search result pages seem to disregrad settings set in "System 
> preferences". I have set
>         defaultSortField: callnumber
>         defaultSortOrder: ascending
>         OPACdefaultSortField: callnumber
>         OPACdefaultSortOrder: ascending
>     yet, both cgi-bin/koha/opac-search.pl and 
> cgi-bin/koha/catalogue/search.pl default to order by relevance,
> b) Local images don't always show on the OPAC search result pages. In 
> some cases the correct local images appear randomly for some books 
> only, while don't appear for others. In other - even more peculiar - 
> cases, local images appear as the page loads and then disappear once the
page has completed loading.
> It doesn't seem to be a browser flaw, as I've tried several browsers 
> on different platforms, with the same results.
> This is a consistent problem: I have yet to see a full page complete 
> with all the local images I have uploaded so far. I even tried 
> reducing the number of books appearing on each page, from 20 to 10, so 
> that it would put less strainn on apache server and on the browser, but it
made no difference.
> The local images appear correctly in /cgi-bin/koha/opac-detail.pl both 
> in the top portion of tthe page and in the Images tab, however in 
> cgi-bin/koha/catalogue/detail.pl they only appear in the Images tab 
> (this may be by design).
> Local images don't appear at all in cgi-bin/koha/catalogue/search.pl 
> (administrative interface, with images on the first to the left 
> column), I guess however that this is by design too.
> c) I had set koha to use the additional Amazon material available, and 
> all went well. Wishing to verify point (b) above, I set 
> AmazonCoverImages back to Don't show, yet it seems to have no 
> influence, as Amazon images continue to appear nevertheless.
> On all three notes above, am I doing something wrong, have I 
> mis-understood the settings mentioned, or are they bugs?
> Manos Petridis
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