puppetdb: “verify error:num=20:unable to get local issuer certificate” and “SSL_connect SYSCALL returned=5 errno=0 state=SSLv3/TLS write finished”

Question

I got problems getting puppetdb connected/setup propertly to my Systems.

My Puppetversion: 6

Docs I used:

• https://puppet.com/blog/scaling-open-sou