我在尝试生成PDF文件时得到Error: Permission denied - /home/ubuntu/.rvm/gems/ruby-2.5.0@rade/bin/wkhtmltopdf)。
我需要在Rails应用程序中生成PDF文件。我使用的wicked_pdf取决于wkhtmltopdf二进制文件。我尝试了777权限（仅用于测试），但没有结果...我的RVM运行良好，使用正确的Ruby版本指向正确的gemset ...
ls -la /home/ubuntu/.rvm/gems/ruby-2.5.0@rade/bin
drwxrwxr-x 2 ubuntu ubuntu 4096 Jan 3 12:32 .
drwxrwxr-x 11 ubuntu ubuntu 4096 Dec 28 17:24 ..
-rwxr-xr-x 1 ubuntu ubuntu 616 Dec 28 17:23 byebug
-rwxr-xr-x 1 ubuntu ubuntu 620 Dec 28 17:23 cnpj
-rwxr-xr-x 1 ubuntu ubuntu 618 Dec 28 17:23 cpf
-rwxr-xr-x 1 ubuntu ubuntu 604 Dec 28 17:23 haml
-rwxr-xr-x 1 ubuntu ubuntu 616 Dec 28 17:23 listen
-rwxr-xr-x 1 ubuntu ubuntu 646 Dec 28 17:24 mailcatcher
-rwxr-xr-x 1 ubuntu ubuntu 628 Dec 28 17:23 nokogiri
-rwxr-xr-x 1 ubuntu ubuntu 604 Dec 28 17:24 puma
-rwxr-xr-x 1 ubuntu ubuntu 610 Dec 28 17:24 pumactl
-rwxr-xr-x 1 ubuntu ubuntu 608 Dec 28 17:23 rackup
-rwxr-xr-x 1 ubuntu ubuntu 634 Dec 28 17:24 railroady
-rwxr-xr-x 1 ubuntu ubuntu 622 Dec 28 17:23 rails
-rwxr-xr-x 1 ubuntu ubuntu 604 Dec 28 17:22 rake
-rwxrwxr-x 1 ubuntu ubuntu 644 Dec 28 17:22 ruby_executable_hooks
-rwxr-xr-x 1 ubuntu ubuntu 616 Dec 28 17:24 spring
-rwxr-xr-x 1 ubuntu ubuntu 634 Dec 28 17:24 sprockets
-rwxr-xr-x 1 ubuntu ubuntu 652 Dec 28 17:24 sqlite3_ruby
-rwxr-xr-x 1 ubuntu ubuntu 604 Dec 28 17:23 thin
-rwxr-xr-x 1 ubuntu ubuntu 604 Dec 28 17:23 thor
-rwxr-xr-x 1 ubuntu ubuntu 604 Dec 28 17:23 tilt
-rwxr-xr-x 1 ubuntu ubuntu 628 Dec 28 17:24 whenever
-rwxr-xr-x 1 ubuntu ubuntu 634 Dec 28 17:24 wheneverize
-rwxrwxrwx 1 ubuntu ubuntu 718 Dec 29 20:26 wkhtmltopdf
这是完整的错误消息
RuntimeError (Failed to execute: ["/home/ubuntu/.rvm/gems/ruby-2.5.0@rade/bin/wkhtmltopdf", "-q", "--viewport-size", "1280x1024", "--zoom", "0.78125", "--javascript-delay", "2000", "--margin-left", "0", "--margin-right", "0",[...]
App 13255 output: Error: Permission denied - /home/ubuntu/.rvm/gems/ruby-2.5.0@rade/bin/wkhtmltopdf):