Presently BSD-Clause-3 is not found by java-ebuilder.
*** Bug 905290 has been marked as a duplicate of this bug. ***
Background: * https://archives.gentoo.org/gentoo-dev/message/01924bb71411696dce04445d85da508d * https://archives.gentoo.org/gentoo-dev/message/2fbba8555ad3ff17cb76e9d3d5692dbf