An error occurred while installing the items
session context was:(profile=epp.package.jee, phase=org.eclipse.equinox.internal.provisional.p2.engine.phases.Install, operand=null --> [R]org.eclipse.tptp.platform.ac.linux_em64t 4.4.200.v200906121434, action=org.eclipse.equinox.internal.p2.touchpoint.eclipse.actions.ChmodAction).
The action chmod failed - file /opt/app/ide/e35ee-2/plugins/org.eclipse.tptp.platform.ac.linux_em64t_4.4.200.v200906121434/agent_controller/bin/ACVersion.sh does not exist.

Steps to reproduce:
1. Download Eclipse package
http://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/galileo/R/eclipse-jee-galileo-linux-gtk-x86_64.tar.gz
2. Install dependecies for JBT
3. Install JBT from update site ( development or nightly updates)