(issue1797) Move close into session release and guard it. To avoid leaking open and Held sessions we centrally close the session in the SessionHolder on release. This also removes some duplicated code in SedDBSessionHolder

#!/bin/bash

bin_dir=`dirname $0`
bin_dir=`readlink -f $bin_dir`
exec java \
    -Dlog4j.configuration=file://$bin_dir/log4j.properties \
    -Dconfig.file=$bin_dir/../doc/conf-oracle.xml \
    -jar $bin_dir/etl.jar