after merging app-emulation/emul-linux-x86-java-1.4.2.03-r1 portage tries to set it as default system vm, but this didn't work: * Found no JDK, setting emul-linux-x86-java-1.4.2.03 as default system VM jc_options: VM not found, use --list-available-vms i tried to set it manually, but it didn't even get recognized by java-config only the 64bit blackdown jre is there: ospranzn ~ # java-config -L [blackdown-jre-1.4.2.03] "Blackdown JRE 1.4.2.03" (/etc/env.d/java/20blackdown-jre-1.4.2.03) * unmerging/reemerging those packages didn't change that, i tried it in several ways. ospranzn ~ # emerge --info Portage 2.1_pre4-r1 (default-linux/amd64/2006.0, gcc-3.4.5, glibc-2.3.6-r2, 2.6.16-rc1-mm4 x86_64) ================================================================= System uname: 2.6.16-rc1-mm4 x86_64 Mobile AMD Athlon(tm) 64 Processor 2800+ Gentoo Base System version 1.12.0_pre15 dev-lang/python: 2.4.2 sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.59-r7 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r1 sys-devel/binutils: 2.16.1-r1 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.11-r3 ACCEPT_KEYWORDS="amd64 ~amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=k8 -O2 -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3/share/config /usr/lib/X11/xkb /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/init.d /etc/terminfo /etc/env.d" CXXFLAGS="-march=k8 -O2 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks sandbox sfperms strict" GENTOO_MIRRORS="ftp://trumpetti.atm.tut.fi/gentoo" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="X alsa amd64 avi berkdb bitmap-fonts browserplugin cdr crypt cups dga dvd dvdr eds emboss encode firefox flac foomaticdb fortran gif gnome gpm gstreamer gtk gtk2 hal imap imlib ipv6 ithreads java jpeg linguas_de lzw lzw-tiff mad mp3 mpeg ncurses nls nptl nsplugin ogg opengl pam pdflib perl png postgres python qt quicktime readline samba sdl spell ssl tcpd tetex thunderbird tiff truetype-fonts type1-fonts unicode usb userlocales vorbis xml xml2 xpm xv zlib elibc_glibc kernel_linux userland_GNU" Unset: ASFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, LANG, LC_ALL, LDFLAGS, LINGUAS, PORTDIR_OVERLAY
This is 32bit java emulation for amd64, it doesn't provide virtual/jre at all. No bug here, it's not intended to do what you want.