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[Bug 1419836] Re: LibreOffice 4.4 (PPA): Extension can't be installed: Message: com.sun.star.uno.RuntimeException) "unknown error!"

 

I'm not sure I understand. As cpina (who e-mailed me about this) notes in his original bug report, Zotero and Mendeley use the same technology and approach (and significant code overlaps) in their LibreOffice add-ons. With the arrival of LibreOffice 4.4 in the Ubuntu repositories, both products received multiple, identical bug reports with identical error messages in short order, all from Ubuntu users. 
I understand you want to narrow down problems to the smallest change possible. The reason I posted here is that you seem to be suggesting to look for  a change in Mendeley's plugin, whereas what cpina and I describe very strongly suggests  that said change occured somewhere between the last version of LO 4.3 (which works fine with all versions of both products) and 4.4 on the Ubuntu repositories.   
It's your product, you know best, but given that Zotero is mentioned multiple times in the original bug report, I think claims of scope creep aren't warranted.

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https://bugs.launchpad.net/bugs/1419836

Title:
  LibreOffice 4.4 (PPA): Extension can't be installed: Message:
  com.sun.star.uno.RuntimeException)  "unknown error!"

Status in libreoffice package in Ubuntu:
  Incomplete

Bug description:
  Hello,

  Both Mendeley and Zotero LibreOffice plugins are having problems with LibreOffice 4.4:
  Mendeley:
  http://support.mendeley.com/customer/portal/questions/11325906-mendeley-plugin-not-working-in-libreoffice-4-4-

  Zotero, for example:
  https://forums.zotero.org/discussion/46297/
  (there is a comment saying "solved" but I think that the person reverted to 4.3 or used upstream)

  (I've seen some other plugin with the same error message in
  LibreOffice 4.4, not sure if it was the PPA one or not)

  Disclaimer: I work for Mendeley, but both plugins are very similar
  (Mendeley one is a fork from Zotero one in 2008 before i joined and
  they use the same technologies and approach: Python-uno for
  communication and then LibreOffice Basic to update the plugin).

  The problem is that, if using LibreOffice 4.4 from the PPA and doing this:
  unopkg add -v Mendeley-1.13.3.oxt
  it shows an error such as:
  "(com.sun.star.uno.RuntimeException) { { Message = "unknown error!", Context = (com.sun.star.uno.XInterface) @0 } }"

  Then it gets incorrectly installed, I just do:
  rm -rf .config/libreoffice # to delete the broken installation
  soffice  # to re-create .config/libreoffice
  unopkg add -v Mendeley-1.13.3.oxt # to try again if you wish

  The Mendeley plugin is available here
  https://www.dropbox.com/s/83isrvr82p2qsvh/Mendeley-1.13.3.oxt?dl=0
  (or download and install Mendeley from http://www.mendeley.com/download-mendeley-desktop/ , then it's available in /opt/mendeleydesktop/share/mendeleydesktop/openOfficePlugin/Mendeley-1.13.3.oxt -we don't support OpenOffice but we still need to change the name of the directory, apologies).
  Or attached in this bug report.

  Anyway, using LibreOffice 4.4 from libreoffice.org works correctly,
  but using the ppa is not working correctly.

  We use the Python pyuno technology that maybe is broken there for some
  reason?

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