This fix the problem: >With that out of the way, did forcing your system to use OpenJDK 8
By the way, using the default OpenJDK 8 installation the problem was present, after that I have forced the use of OpenJDK 8 the problem was fixed! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1579781 Title: librxtx-java fails to open /dev/ttyACM0 port! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openjdk-9/+bug/1579781/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
