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I thought I fixed this, but will check again.<br>
<br>
Export used to build the zip in memory, but at some point I changed
that to build the zip file on disk. Not sure why or how that got
reverted (if that is the case).<br>
<br>
Tom<br>
<br>
<div class="moz-cite-prefix">Ron Mitchell schreef op 30-4-2014
22:16:<br>
</div>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I
don't think an alert is displayed to the user when it fails
and the example_zipper files are left in the project folder
and I think increase after each failed attempt.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I
know on the one hand it's not best practice to upload mp4's
direct and better to use a streaming server but there are
obviously occasions where people do need to upload direct
and 62MB as an example isn't exactly huge. <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Sounds
like non-default memory_limit or at least increase from
128MB has become a system requirement? <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif""
lang="EN-US">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif""
lang="EN-US"> <a class="moz-txt-link-abbreviated" href="mailto:xerte-dev-bounces@lists.nottingham.ac.uk">xerte-dev-bounces@lists.nottingham.ac.uk</a>
[<a class="moz-txt-link-freetext" href="mailto:xerte-dev-bounces@lists.nottingham.ac.uk">mailto:xerte-dev-bounces@lists.nottingham.ac.uk</a>] <b>On
Behalf Of </b>Pat L (pgogy)<br>
<b>Sent:</b> 30 April 2014 21:03<br>
<b>To:</b> For Xerte technical developers<br>
<b>Subject:</b> [Xerte-dev] Re: example_zipper issue
revisited<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">It's not the code, it's the file sizes.<o:p></o:p></p>
<div>
<p class="MsoNormal">MP4s will be bigger when zipped than
they are as files<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Example zipper is the temp file name
the code uses, i assume when it runs out of memory it
dumps the file.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">There is a logic to doing a file size
check before exporting and warning with large files<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
<div>
<p class="MsoNormal">On Wed, Apr 30, 2014 at 7:58 PM, Ron
Mitchell <<a moz-do-not-send="true"
href="mailto:ronm@mitchellmedia.co.uk" target="_blank">ronm@mitchellmedia.co.uk</a>>
wrote:<o:p></o:p></p>
<div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Yep
it's in 2.1 <a moz-do-not-send="true"
href="https://github.com/thexerteproject/xerteonlinetoolkits/blob/2.1/modules/xerte/export.php%20line%2061"
target="_blank">https://github.com/thexerteproject/xerteonlinetoolkits/blob/2.1/modules/xerte/export.php
line 61</a></span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">and
in develop too: <a moz-do-not-send="true"
href="https://github.com/thexerteproject/xerteonlinetoolkits/blob/develop/modules/xerte/export.php%20line%2061"
target="_blank">https://github.com/thexerteproject/xerteonlinetoolkits/blob/develop/modules/xerte/export.php
line 61</a></span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I've
been testing further on a server where I can change
anything and it does seem like increasing
memory_limit resolves the issue but I'm not sure
what the equation would be for file size v required
limit or if any of the other php settings have a
part to play too. I can't be sure but this seems
like a relatively new issue too. My tests so far…</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">1.
Small projects don't seem to be a problem - no
example_zipper created and projects export ok.</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">2.
I was alerted to the problem again by a user of the
Techdis sandpit who reported not being able to
export here project yet was able to previously. The
particular project included a 62MB mp4 so that's
what I've been testing with now but on a different
server. On this server with the memory_limit set to
128MB example_zipper files were created and part of
the exported zip as well as left on the server.</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">3.
Increasing the memory_limit to 300MB enable the
export to work and no example_zipper created.</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">4.
I mentioned I had a similar issue with a Wordpress
install recently where the server host had to
increase the memory_limit and in that case to 256MB
and that seems to be a regular problem especially
for people on shared hosting where they can't change
the memory limit themselves. 128MB seems to be the
default but I guess it could vary quite a bit
depending on hosts.</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">5.
What I'm not sure about is if this is a new problem
due to changes in Xerte code and whether it's been
fixed previously as I think John suggested.?</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">6.
There are so many variables here I can't test
reliably without others testing too e.g. I don't
know if the combined file size with lots of smaller
files gives the same result as this single 62MB
file or if other PHP settings also have a part to
play. My fear is that we don't know how big the
problem is. Partly because export isn't as common as
just creating and linking and that together with
project size variation, settings variation etc and
perhaps some not knowing that these files even exist
means it could be quite common without many knowing.</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Ron</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif""
lang="EN-US">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif""
lang="EN-US"> <a moz-do-not-send="true"
href="mailto:xerte-dev-bounces@lists.nottingham.ac.uk"
target="_blank">xerte-dev-bounces@lists.nottingham.ac.uk</a>
[mailto:<a moz-do-not-send="true"
href="mailto:xerte-dev-bounces@lists.nottingham.ac.uk"
target="_blank">xerte-dev-bounces@lists.nottingham.ac.uk</a>]
<b>On Behalf Of </b>Pat L (pgogy)<br>
<b>Sent:</b> 30 April 2014 18:53<br>
<b>To:</b> For Xerte technical developers<br>
<b>Subject:</b> [Xerte-dev] Re: example_zipper
issue revisited</span><o:p></o:p></p>
</div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Does
exampler_zipper appear in the code, it sounds like
something I left in. <o:p></o:p></p>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I
imagine it is a PHP timeout issue kicking in, or
Memory being maxed out.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The
zip script it supposed to do a clean up. Maybe do
it before export now as well<o:p></o:p></p>
</div>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;margin-bottom:12.0pt"> <o:p></o:p></p>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On
Wed, Apr 30, 2014 at 11:02 AM, Ron Mitchell <<a
moz-do-not-send="true"
href="mailto:ronm@mitchellmedia.co.uk"
target="_blank">ronm@mitchellmedia.co.uk</a>>
wrote:<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;margin-bottom:12.0pt">Hi
all<br>
I've updated some installations using the current
2.1 git download and had<br>
hoped that the example_zipper issue I mentioned
previously would be fixed<br>
but it seems it hasn't? However it might only be
showing up when large files<br>
are included or with certain php or server
configurations etc or perhaps<br>
it's been fixed in develop but not applied to 2.1?
This may also be an issue<br>
going unoticed to some extent and leaving lots of
redundant zip files in<br>
project folders. So testing and questions...<br>
<br>
What I'm finding with current 2.1 code on more
than one server is that<br>
exporting smaller projects works fine with no
example_zipper files left on<br>
the server or included in the zip download.
However if a project includes<br>
larger media files it either doesn't export or
when it does it leaves<br>
example_zipper files in the project folder as well
as including them in the<br>
zip download. I'm not sure where small - large
overlaps but for instance<br>
I've been testing export of a project containing a
60MB mp4.<br>
<br>
Q1. Was this a known issue fixed in develop but
not in current 2.1 branch?<br>
<br>
Q2. Could this only be occurring with particular
PHP/server settings and if<br>
so what are the relevant settings?<br>
<br>
Q3. Can others reproduce this using current 2.1
branch?<br>
<br>
Cheers<br>
Ron<br>
<br>
-----Original Message-----<br>
From: <a moz-do-not-send="true"
href="mailto:xerte-dev-bounces@lists.nottingham.ac.uk"
target="_blank">xerte-dev-bounces@lists.nottingham.ac.uk</a><br>
[mailto:<a moz-do-not-send="true"
href="mailto:xerte-dev-bounces@lists.nottingham.ac.uk"
target="_blank">xerte-dev-bounces@lists.nottingham.ac.uk</a>]
On Behalf Of Smith, John<br>
Sent: 08 April 2014 14:05<br>
To: For Xerte technical developers<br>
Subject: [Xerte-dev] Re: session issue +
example_zipper issue<br>
<br>
I've not really seen any session issues on a
windows install and on xampp<br>
mainly though. Have never seen the invalid templat
id error either...<br>
<br>
the example_zipper_new... file seems to be related
to old export code<br>
(<a moz-do-not-send="true"
href="https://code.google.com/p/xerteonlinetoolkits/source/browse/trunk/modules/xerte/export.php?spec=svn696&r=696"
target="_blank">https://code.google.com/p/xerteonlinetoolkits/source/browse/trunk/modules/x<br>
erte/export.php?spec=svn696&r=696</a>) with
_xyz on the end nothing shows in<br>
Google but remove _xyz and you get hits...<br>
<br>
Regards,<br>
<br>
John Smith | Learning Technologist<br>
Room A251, Govan Mbeki Building | School of Health
& Life Sciences | Glasgow<br>
Caledonian University Cowcaddens Road | Glasgow |
G4 0BA<br>
________________________________________<br>
From: <a moz-do-not-send="true"
href="mailto:xerte-dev-bounces@lists.nottingham.ac.uk"
target="_blank">xerte-dev-bounces@lists.nottingham.ac.uk</a><br>
[<a moz-do-not-send="true"
href="mailto:xerte-dev-bounces@lists.nottingham.ac.uk"
target="_blank">xerte-dev-bounces@lists.nottingham.ac.uk</a>]
On Behalf Of Julian Tenney<br>
[<a moz-do-not-send="true"
href="mailto:Julian.Tenney@nottingham.ac.uk"
target="_blank">Julian.Tenney@nottingham.ac.uk</a>]<br>
Sent: 08 April 2014 13:39<br>
To: For Xerte technical developers<br>
Subject: [Xerte-dev] Re: session issue +
example_zipper issue<br>
<br>
Never seen 'invalid template id'. But 'session ID
not set' is doing my head<br>
in.<br>
<br>
I don't recognise 2.<br>
<br>
From: <a moz-do-not-send="true"
href="mailto:xerte-dev-bounces@lists.nottingham.ac.uk"
target="_blank">xerte-dev-bounces@lists.nottingham.ac.uk</a><br>
[mailto:<a moz-do-not-send="true"
href="mailto:xerte-dev-bounces@lists.nottingham.ac.uk"
target="_blank">xerte-dev-bounces@lists.nottingham.ac.uk</a>]
On Behalf Of Ron Mitchell<br>
Sent: 08 April 2014 13:23<br>
To: 'For Xerte technical developers'<br>
Subject: [Xerte-dev] session issue +
example_zipper issue<br>
<br>
Hi all<br>
I think an issue I mentioned in the thread
entitled testing results got lost<br>
in the discussion about re-running setup so I'm
checking again along with a<br>
separate issue I've noticed.<br>
<br>
Issue 1<br>
I downloaded xertetoolkits_2.1 Version:2.1 Last
update 2014-03-14 from the<br>
community site and from my testing this revision
is not reliable e.g. one<br>
minute I can create an LO and the next minute I
get one of two errors when<br>
trying to create a new lo:<br>
Session ID not set<br>
or<br>
Invalid template_id (could not find in DB)<br>
<br>
Q. Does this not happen for others?<br>
<br>
Issue 2<br>
In an older revision that I've been using which
seems to be relatively<br>
trouble free I've noticed that one or more files
named something like<br>
example_zipper_new_xyz. is getting created and
included in any successful<br>
export but also still residing in the project
folder on the server.<br>
<br>
Q. Does anyone recognise this? Was it fixed in a
later revision that doesn't<br>
have the session issue above?<br>
<br>
Cheers<br>
Ron<br>
<br>
<br>
<br>
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This message and any attachment are intended
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This message has been checked for viruses but the
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<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<br>
<p>This message and any attachment are intended solely for the
addressee and may contain confidential information. If you have
received this message in error, please send it back to me, and
immediately delete it. Please do not use, copy or disclose the
information contained in this message or in any attachment. Any
views or opinions expressed by the author of this email do not
necessarily reflect the views of the University of Nottingham.</p>
<p>This message has been checked for viruses but the contents of
an attachment may still contain software viruses which could
damage your computer system, you are advised to perform your own
checks. Email communications with the University of Nottingham
may be monitored as permitted by UK legislation.</p>
<br>
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<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
<pre wrap="">_______________________________________________
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<a class="moz-txt-link-abbreviated" href="mailto:Xerte-dev@lists.nottingham.ac.uk">Xerte-dev@lists.nottingham.ac.uk</a>
<a class="moz-txt-link-freetext" href="http://lists.nottingham.ac.uk/mailman/listinfo/xerte-dev">http://lists.nottingham.ac.uk/mailman/listinfo/xerte-dev</a>
</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
--
Tom Reijnders
TOR Informatica
Chopinlaan 27
5242HM Rosmalen
Tel: 073 5226191
Fax: 073 5226196
</pre>
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