Hi. Managed to fix issue. Followed - https://askubuntu.com/questions/971059/17-10-openjdk-and-oracle-jdk-8-and-9-the-trustanchors-parameter-must-be-non-empt Seems that the keystore - /etc/ssl/certs/java/cacerts - was corrupted in some way.
$ java -version java version "1.8.0_171" Java(TM) SE Runtime Environment (build 1.8.0_171-b11) Java HotSpot(TM) 64-Bit Server VM (build 25.171-b11, mixed mode) Ran: sudo update-ca-certificates -f sudo /var/lib/dpkg/info/ca-certificates-java.postinst configure openssl s_client -connect outlook.office365.com:443 < /dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > public.crt sudo /usr/lib/jvm/java-8-oracle/bin/keytool -import -alias outlook.office365.com -keystore /etc/ssl/certs/java/cacerts...
Error: the trustAnchors parameter must be non-empty
(COW) breakage of private read-only memory mappings.
authentication