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SSL certificates issue with Maven repository

It is reproducible with Java 1.8.0_292
It looks like there is a problem with SSL certificates on website.
Instead of returning full Let’s Encrypt cert chain, it returns certificates for DNS name, which are irrelevant.

This can be seen by

  1. Scanning website via
  2. openssl s_client -showcerts -connect

Also by testing repo website with SSLPoke.jar utility (
java SSLPoke 443


Thanks for sharing your concern regarding the certificate. We’re investigating the matter and will update you accordingly.