не ставится dev-java/jsch-0.1.37-r1 [solved]

Приветы.

не ставится dev-java/jsch-0.1.37-r1

* Messages for package dev-java/jsch-0.1.37-r1:

 * Unable to determine VM for building from dependencies:
 *
 * ERROR: dev-java/jsch-0.1.37-r1 failed.
 * Call stack:
 *               ebuild.sh, line   49:  Called pkg_setup
 *               ebuild.sh, line 1244:  Called java-pkg-2_pkg_setup
 *       java-pkg-2.eclass, line   60:  Called java-pkg_init
 *     java-utils-2.eclass, line 2090:  Called java-pkg_switch-vm
 *     java-utils-2.eclass, line 2516:  Called die
 * The specific snippet of code:
 *                              die "Failed to determine VM for building."
 *  The die message:
 *   Failed to determine VM for building.
AlexeyR70 alexey # eselect java-vm show
Current system-vm
  sun-jre-bin-1.6
Current user-vm
  (unset)
Available Java Virtual Machines:
  [1]   blackdown-jdk-1.4.2
  [2]   sun-jdk-1.6
  [3]   sun-jre-bin-1.6  system-vm

гугл помог, но не сразу

решение http://www.gentoo.org/proj/en/java/java-upgrade.xml