install-grinder gets stuck after installing JBDS

  # as root, install these if not already installed
  yum install tigervnc.x86_64 tigervnc-server.x86_64 vinagre -y
  exit

  # in a terminal, run this:
  vncserver

  # then launch vinagre to connect to the VNC session:
  vinagre localhost:1

  # within the VNC session, run this:
    git clone https://github.com/jbosstools/jbosstools-install-grinder/
    cd jbosstools-install-grinder
    mvn org.apache.maven.plugins:maven-dependency-plugin:2.7:unpack \
    -Dartifact=org.jboss.tools.installation-tests:scripts:4.1.0.Beta1-SNAPSHOT:zip:delivery
    cd scripts/target/scripts-*-delivery/
    SCRIPTDIR=`pwd`

    WORKSPACE=/tmp/jbtcentraltarget-verify
    rm -fr ${WORKSPACE}; mkdir -p ${WORKSPACE}; cd ${WORKSPACE}

    # must be lowercase kepler
    eclipseBundleVersion=kepler.R
    # or
    eclipseBundleVersion=kepler.SR1

    # path to where you store eclipse tar.gz files
    eclipseCacheDirectory=${HOME}/tmp/Eclipse_Bundles

    groovy ${SCRIPTDIR}/getAndInstallEclipse.groovy \
    eclipseCacheDirectory=${eclipseCacheDirectory} \
    eclipseBundleVersion=${eclipseBundleVersion}

    INSTALL_PLAN="http://download.jboss.org/jbosstools/discovery/nightly/core/trunk/;http://download.jboss.org/jbosstools/discovery/nightly/core/trunk/jbosstools-directory.xml"
    # or 
    INSTALL_PLAN="http://www.qa.jboss.com/binaries/RHDS/discovery/nightly/core/trunk/;http://www.qa.jboss.com/binaries/RHDS/discovery/nightly/core/trunk/devstudio-directory.xml"

    groovy ${SCRIPTDIR}/testInstall.groovy ${WORKSPACE}/eclipse/ $INSTALL_PLAN