Github user ansell commented on the issue:
https://github.com/apache/any23/pull/38
They are not able to change the default host to point to json-ld.org as
they are hosting other websites together. Best guess right now for you is to
update your java version (assuming you don't have a TLS proxy on your site that
is failing when it sees the expired Traefik default certificate, which SNI
should route around silently if the certificates all make their way
successfully to your JDK). I thought all Java-8 releases supported SNI, and we
are already requiring JDK-8 for this project.
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