# find java

if [ -z "${JAVA_HOME}" ] ; then

  warn "JAVA_HOME is not set!"

  # Try to use Bigtop to autodetect JAVA_HOME if it's available

  if [ -e /usr/libexec/bigtop-detect-javahome ] ; then

    . /usr/libexec/bigtop-detect-javahome

  elif [ -e /usr/lib/bigtop-utils/bigtop-detect-javahome ] ; then

    . /usr/lib/bigtop-utils/bigtop-detect-javahome

  fi

  # Using java from path if bigtop is not installed or couldn't find it

  if [ -z "${JAVA_HOME}" ] ; then

    JAVA_DEFAULT=$(type -p java)

    [ -n "$JAVA_DEFAULT" ] || error "Unable to find java executable. Is it in your PATH?" 1

    JAVA_HOME=$(cd $(dirname $JAVA_DEFAULT)/..; pwd)

  fi

fi