full text PDF download with EZproxy not working while desktop app running

edited August 27, 2023
My Zotero Connector plugin does not always succeed in downloading full text PDFs as expected. I get a red cross icon and red text for the detected PDF in the pop-up of the plugin when this happens.

The issue occurs, when I am using my universities EZproxy (proxy.findit.cvt.dk). My Debug ID: D612922489
I have the same issue on IEEE Xplore and ScienceDirect, indicating it is not a specific translator's issue.
For open-access publications all is fine – even through the proxy.
Weirdly, all works as expected, if I close the desktop application of Zotero and use saving to zotero.org.

As a workaround I'd also be happy if there were an option to always save to zotero.org, even when the desktop application is running.

Additional info: The proxy is not automatically detected and saved for the redirection feature by the Zotero connector plugin.

I have gone through the troubleshooting for translator issues (https://www.zotero.org/support/troubleshooting_translator_issues).

Example URLs:
https://ieeexplore-ieee-org.proxy.findit.cvt.dk/document/10104120 (have access through proxy, but get no PDF. Debug ID: D612922489 The unproxied URL would be: https://ieeexplore.ieee.org/document/10104120)
https://ieeexplore-ieee-org.proxy.findit.cvt.dk/document/10056987 (open-access paper, works fine)

I am using a MacBook Air M1 and all software is up to date.
OS: macOS Ventura 13.4.1 (c) (22F770820d)
Browser: Chrome Version 116.0.5845.110 (Official Build) (arm64)
Zotero: 6.0.26

Hope I did not miss any relevant info. I'd be really happy to switch back to Zotero after using other tools for a few years – it gained exactly the features I wanted :)

I have (out of curiousity, unrelated to this issue) installed the Zotero 7 beta.
The issue does not arise with the beta. Unsure, if it is stable enough to depend on it though.
  • I can confirm this issue with the same proxy.

    Full-text PDF download fails from e.g. journals.aps.org when accessed through proxy.findit.cvt.dk, and the extension falls back to finding the open access PDF.

    Extension's proxy settings:
    Login URL scheme: https://login.proxy.findit.cvt.dk/login?qurl=%u
    Proxied URL scheme: %h.proxy.findit.cvt.dk/%p
  • edited September 24, 2023
    If this works in the Zotero 7 beta, you should use that for now. Zotero 6 isn't receiving further development.
  • I have just today encountered the same issue again – whilst using Zotero 7.
    Will post another Debug ID later, if I can reproduce it.
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