SSO troubles "Cannot locate default realm"

I fixed it by creating an /etc/krb5.conf file. Not sure why Java would need this file as it wouldn’t be using native krb libraries but whatever…

[libdefaults]
default_realm = MYDOMAIN.COM

[realms]
MYDOMAIN.COM = {
	kdc = freeipa.mydomain.com
	admin_server = freeipa.mydomain.com
	default_domain = mydomain.com
}

[domain_realms]
mydomain.com = MYDOMAIN.COM
.mydomain.com = MYDOMAIN.COM