dev ~ # emerge -uDq world > /dev/null

!!! ERROR: dev-java/mx4j-3.0.1-r1 failed.
Call stack:
  ebuild.sh, line 1435:   Called source '/opt/overlays/java-experimental/dev-java/mx4j/mx4j-3.0.1-r1.ebuild'
  mx4j-3.0.1-r1.ebuild, line 5:   Called inherit 'eutils' 'java-pkg-2' 'java-ant-2'
  ebuild.sh, line 1174:   Called die

!!! java-pkg-2.eclass could not be found by inherit()
!!! If you need support, post the topmost build error, and the call stack if relevant.


!!! ERROR: dev-java/javassist-3.1_rc20050706-r1 failed.
Call stack:
  ebuild.sh, line 1435:   Called source '/opt/overlays/java-experimental/dev-java/javassist/javassist-3.1_rc20050706-r1.ebuild'
  javassist-3.1_rc20050706-r1.ebuild, line 5:   Called inherit 'java-pkg-2' 'java-ant-2'
  ebuild.sh, line 1174:   Called die

!!! java-pkg-2.eclass could not be found by inherit()
!!! If you need support, post the topmost build error, and the call stack if relevant.