I now have a similar problem. I use Mint and recently installed in my new notebook. Everything working OK. I installed Zotero from scratch, installed the LibreOffice extension, all the lastest version. I reinstalled the libreoffice-java-common, and the same "LibreOffice could not communicate with Zotero. Please ensure Zotero is open and set to an online state and try again." I have no firewall. Any ideas?
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I now have a similar problem. I use Mint and recently installed in my new notebook. Everything working OK. I installed Zotero from scratch, installed the LibreOffice extension, all the lastest version. I reinstalled the libreoffice-java-common, and the same "LibreOffice could not communicate with Zotero. Please ensure Zotero is open and set to an online state and try again."
I have no firewall. Any ideas?
Can you provide a Report ID?
How did you install Zotero?