The latest java-config, when built on OS 10.6 (if that makes a difference) tries to install a series of files to /etc/, resulting in the build aborting due to QA concerns. This seems to be a regression since java-config-2.1.9, which is currently installed.
r51334 | haubi | 2009-09-24 09:35:33 +0200 (Thu, 24 Sep 2009) | 2 lines do some more eprefixifying (Portage version: 2.2.00.14277-prefix/svn/Linux x86_64) ------------------------------------------------------------------------ r51333 | darkside | 2009-09-23 19:56:51 +0200 (Wed, 23 Sep 2009) | 2 lines Fix merge error, patch by heiko_ (Portage version: 2.2.00.14277-prefix/svn/Linux x86_64) seems already fixed (merged here for me), sorry for the long wait, thanks for the report