toddyLee

Please refer to [https://github.com/unoconv/unoconv/issues/359](url), add parameter "-env:UserInstallation=file:///tmp/" in ./lib/redmine_preview_office/patches/thumbnail_patch.rb source file, just like: cmd = "cd #{tmpdir}; #{shell_quote @REDMINE_PREVIEW_OFFICE_CONVERT_BIN} **-env:UserInstallation=file:///tmp/** --convert-to pdf #{shell_quote source}; mv #{shell_quote File.basename(source, File.extname(source)) + ".pdf"}...