Java 9 changed the keystore format and lots things (Jenkins, maven) fails to work.
Solution see https://stackoverflow.com/questions/6784463/error-trustanchors-parameter-must-be-non-empty?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa
Run as root:
# 1. Save an empty JKS file with the default 'changeit' password for Java cacerts.# Use 'printf' instead of 'echo' for Dockerfile RUN compatibility./usr/bin/printf '\xfe\xed\xfe\xed\x00\x00\x00\x02\x00\x00\x00\x00\xe2\x68\x6e\x45\xfb\x43\xdf\xa4\xd9\x92\xdd\x41\xce\xb6\xb2\x1c\x63\x30\xd7\x92' > /etc/ssl/certs/java/cacerts# 2. Re-add all the CA certs into the previously empty file./var/lib/dpkg/info/ca-certificates-java.postinst configureMy favorite system load indicator does not work properly. Wait for update
Install "Tweaks", enable extensions, install and enable "No title bar" extension. https://github.com/franglais125/no-title-bar