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[EP-tech] document.observe is not a function Error in EPrints3.4.4
Hi,
I think someone also reported a similar issue on this mailing list
recently.? If you add the prototypejs ingredient to your
EPRINTS_PATH/flavours/pub_lib/inc file, as well as reloading the web
server, if you initially loaded your EPrints repository in the same web
browser without adding prototypejs to your inc file, the JavaScript
(/javascript/auto-3.4.4.js) will be cached client-side. In most browser
you can clear this client-side cache with a hard refresh using the key
combination Ctrl+Shift+R. (You could also test loading your EPrints
repository again in private/incognito mode or in a different web browser).
If this does not work? It is worth loading in your web browser the
auto-generated JavaScript file itself, which can be found by viewing the
source for the page and finding it in the page's <head>.- Check the
JavaScript code displayed for the string "20_prototype.js".? If this is
not present, also try a hard refresh (Ctrl+Shift+R)? of the JavaScript
'page' and search for the string "20_prototype.js" again.? If you still
cannot find it your may have some other issue preventing the JavaScript
from being updated.
3.4.4 introduced a timestamp to the Javascript
(/javascript/auto-3.4.4.js) and CSS (/style/auto-3.4.4.css)
auto-generated file links, which are the amalgamation of various
JavaScript or CSS files across the EPrints codebase's javascript/auto/
or style/auto/ directories.? E.g.
/javascript/auto-3.4.4.js?1664898850
However, the code that determines whether the link for auto-generated
JavaScript file needs to update its timestamp, so web browsers will drop
their client cache automatically, does not take into account that new
JavaScript files might be added by virtue of including a new
ingredient.? The timestamp is set based on the latest time any included
JavaScript file was modified.? A newly added ingredient, may not have
any JavaScript files that have been modified since the current timestamp
being used.? Therefore, the client cache will not be cleared despite the
auto-generated JavaScript file having? changed to include extra
JavaScript files. I have added a GitHub issue to investigate and fix this:
https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Feprints3.4%2Fissues%2F274&data=05%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7C281ced764b61451f0b9f08daefc2b4d0%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638085916778089324%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=MqsrzMWZwCRFgR7atyV3mfvy5DcPuQnIOSjE%2BU1JXDE%3D&reserved=0
Regards
David Newman
On 06/01/2023 5:49 am, MATILUKO, Opeyemi Emmanuel via Eprints-tech wrote:
> *CAUTION:* This e-mail originated outside the University of Southampton.
>
> Hi
>
> I recently upgraded EPrints to version 3.4.4 and the statistics
> stopped working. On inspection, I see 2 error popping up and the
> errors are;
>
> 1. Uncaught ReferenceError: Class is not defined in
> auto-3.4.4.js:283:18
> The line contains var EPJS_Menus = Class.create({...
>
> 2. Uncaught TypeError: document.observe is not a function
> This error is from the line
> document.observe("dom:loaded",function(){
> ? ? ? ? new EPJS_Stats_Table ({ 'context': {
> ? ? ? ? ? ? 'range':'_ALL_',
> ? ? ? ? ? ? 'datatype':'downloads'
> ? ? ? ? ? ? },
> ? ? ? ? ? ? 'options': {
> ? ? ? ? ? ? 'container_id': 'top-authors', 'top': 'authors',
> 'view': 'Table', 'limit': '10', 'title': 'Top Authors'
> ? ? ? ? ? ? }
> ? ? ? ? });
> ? ? });
>
> I have added ingredients/prototypejs as a dependency
> What can be the issue? and what is the possible solution?
> Thanks
>
>
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