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Yes, we are still having issues. PDFs have not been loading for over an hour. In chatting our host, they see a massive amount of slow errors coming from download-manager and wpdm-pdf-viewer.
We have installed the update, but are still receiving errors with PDFs loading and giving an error that says:
An error occurred while loading the PDF.
Does seem to be intermittent still. Have been unable to confirm if the fatal error is still occurring.
I do see v3.1.0 out now, so I’ll get it updated. Is that the version I should be expecting to see this change?
Thank you, Nayeem. Do you have an estimate on when that update might be available?
I am unable to turn this on for a few reasons…for one the site is live to the public and turning on debug mode isn’t a good experience on the frontend. However, I have downloaded the logs from the past 2 days. Is there a way that I can share that file with you? I don’t have access to Dropbox, etc. so I’m hoping you have a file share system that I can send that to you.
We are having issues again currently and we continue to get the following error from your plugin:
NOTICE: PHP message: PHP Fatal error: Uncaught TypeError: method_exists(): Argument #1 ($object_or_class) must be of type object|string, null given in /www/wp-content/plugins/wpdm-pdf-viewer/tpls/viewer.php:68
As mentioned previously, this is an intermittent issue. When it appears, our host is able to pull slow logs and see fatal errors occurring with your plugin. I can reach back out the moment it occurs again if that is helpful. Are you able to pull logs and see these errors yourself?
Is there a development team that we can elevate this to? Download Manager is the core functionality of our site and we have to get this resolved or else come up with a plan to replace this plugin with another solution which will take time that we don’t have while things are still not working intermittently.
I appreciate you getting in to look around, I’d just ask if you don’t mind keeping any test content published as a draft following testing, especially during our business hours. We want to avoid having test content out for people to access.
One more update before I leave for the day as we experienced downtime again today. Flywheel was able to tell us the following at the time of the incident:
For the PDF viewer, it looks like that plugin is generating a Fatal Error:
PHP Fatal error: Uncaught TypeError: method_exists(): Argument #1 ($object_or_class) must be of type object|string, null given in /www/wp-content/plugins/wpdm-pdf-viewer/tpls/viewer.php:68
Fatal errors like this will break functionality and can also cause quite a slowdown as code isn’t executing properly. We recommend working with the plugin authors to get that patched up at your earliest convenience.
In addition to the Fatal Error, this plugin is also generating a large number of slow log entries, as is the download-manager plugin. Its possible these two issues are connected. It is generating a huge number more slow log entries than it was yesterday (about 7,000 in the last 24 hours alone).
Okay thank you. Let me know if you have any trouble accessing.
Any update on this? Growing increasingly frustrated by the lack of response. We’ve been working on this issue for almost a year and I’m not getting much communication or update on progress.
Yes, Download Manager Pro Version 6.5.3 and WPDM PDF Viewer Version 3.0.6
Hello…checking in again. I know you are very busy, but really needing a status update. This topic started over a year ago and I still am not receiving communication about progress. The lack of response on this core necessary feature not working is leading us to talk about looking for a different document management solution.
Yes, that would be wonderful since a couple are from the last few weeks. Thanks!
Thanks, Nayeem. Is your team aware of these known vulerabilities? https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/download-manager
Things seem to be working better this evening. Not sure if that is related to a lack of site traffic potentially. Still concerned that we were receiving fatal errors in the first place and that there are known vulnerabilities according to Wordfence.
I do see things working currently on that test, but as mentioned previously, it has been very intermittent. Have you been able to confirm the errors sent in my first message? Without any resolution to what was causing that error, I’m very uneasy about knowing this is truly solved.
In our testing, it appears that with the PDF Viewer plugin turned off, downloading files and navigating the site runs more normally and faster. The previews are loading slower than normal and creating all kinds of site speed and preview issues.
We use Wordfence for added security and have found noted vulnerabilities with the Download Manager plugin (https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/download-manager) which maybe tracks with the fatal errors being called out by Flywheel, our host.
I do appreciate you digging in on this, but we are not comfortable with the answer that there must be a plugin conflict, especially when it appears there are issues happening with Download Manager itself.
I plan to do scheduled “maintenance” at 6 p.m. CST tonight to try to identify any plugin conflicts but I don’t anticipate that revealing much since the errors do seem to be intermittent and worse during business hours when there is traffic on the site.