This is a legacy package before dev-java/jaxen was added to tree and/or became a project. JDom no longer develops nor ships a jaxen, so this package is no longer current or needed.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=fe8f1aa8e615d6002bf400e3ce09eb24a3fbe789 commit fe8f1aa8e615d6002bf400e3ce09eb24a3fbe789 Author: Michał Górny <mgorny@gentoo.org> AuthorDate: 2018-07-28 12:12:33 +0000 Commit: Michał Górny <mgorny@gentoo.org> CommitDate: 2018-07-28 12:15:41 +0000 dev-java/jdom-jaxen: Remove last-rited pkg Closes: https://bugs.gentoo.org/559994 dev-java/jdom-jaxen/Manifest | 1 - dev-java/jdom-jaxen/jdom-jaxen-1.0-r1.ebuild | 51 ---------------------------- dev-java/jdom-jaxen/metadata.xml | 11 ------ profiles/package.mask | 5 --- 4 files changed, 68 deletions(-) Additionally, it has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=eb1fd1dbf5c543ac2d5836e413e21fa8656c371c commit eb1fd1dbf5c543ac2d5836e413e21fa8656c371c Author: Michał Górny <mgorny@gentoo.org> AuthorDate: 2018-07-28 12:12:05 +0000 Commit: Michał Górny <mgorny@gentoo.org> CommitDate: 2018-07-28 12:15:41 +0000 dev-java/jdom: Remove old masked version Bug: https://bugs.gentoo.org/559994 dev-java/jdom/Manifest | 1 - dev-java/jdom/jdom-1.0-r4.ebuild | 54 ---------------------------------------- profiles/package.mask | 1 - 3 files changed, 56 deletions(-)