Why does PDFKit/wkhtmltopdf hang but renders PDF as expected when Rails app is killed?

Question

Background

After reading around it seemed to me that Prawn is out and wkhtmltopdf is in. It also seems like the PDFKit and wicked_pdf gems for Rails are the new co

Answer 1

Mine was also hanging and opening the wkhtmltopdf icon in the dock.

I actually found the problem for me was I only had 1 unicorn worker process running. Once I added more than 1 it worked fine.

I'm running wkhtmltopdf 0.9.9 on OS X with pdfkit 0.6.2