* Package:    dev-java/jsr173-1.0-r1
 * Repository: gentoo
 * Maintainer: java@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
!!! ERROR: The javac executable was not found in the Java path
 * Using: oracle-jre-bin-1.8
>>> Unpacking source...
* jar is not available for oracle-jre-bin-1.8 on x86_64
* IMPORTANT: some Java tools are not available on some VMs on some architectures
 * ERROR: dev-java/jsr173-1.0-r1::gentoo failed (unpack phase):
 *   failed to unpack
 * 
 * Call stack:
 *     ebuild.sh, line  93:  Called src_unpack
 *   environment, line 3900:  Called die
 * The specific snippet of code:
 *       jar xvf ${DISTDIR}/${A} || die "failed to unpack";
 * 
 * If you need support, post the output of `emerge --info '=dev-java/jsr173-1.0-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-java/jsr173-1.0-r1::gentoo'`.
!!! When you file a bug report, please include the following information:
GENTOO_VM=oracle-jre-bin-1.8  CLASSPATH="" JAVA_HOME="/opt/oracle-jre-bin-1.8.0.51"
JAVACFLAGS="-source 1.3 -target 1.3" COMPILER=""
and of course, the output of emerge --info =jsr173-1.0
 * The complete build log is located at '/var/log/portage/dev-java:jsr173-1.0-r1:20150925-130825.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-java/jsr173-1.0-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-java/jsr173-1.0-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-java/jsr173-1.0-r1/work'
 * S: '/var/tmp/portage/dev-java/jsr173-1.0-r1/work'