dev-java/sun-ejb-spec-2.1 in java-overlay has LICENSE="sun-ejb-spec-2.1", but that license does not exist. A license file must be added to java-overlay/licenses/ or the LICENSE setting changed in dev-java/sun-ejb-spec/sun-ejb-spec-2.1.ebuild (or both).
* | commit 34a6cef | | Author: Andreas Sturmlechner <andreas.sturmlechner@gmail.com> | | Date: Wed Aug 5 23:00:00 2015 +0200 | | | | [dev-java/sun-ejb-spec] Drop, invalid license, no rdeps | | | | delete mode 100644 dev-java/sun-ejb-spec/ChangeLog | | delete mode 100644 dev-java/sun-ejb-spec/Manifest | | delete mode 100644 dev-java/sun-ejb-spec/metadata.xml | | delete mode 100644 dev-java/sun-ejb-spec/sun-ejb-spec-2.1.ebuild Dropped a while ago.