Description
if the configured log directory does not exists zookeeper will not start. Better to create the directory and start
in zkEnv.sh we can change as follows
if [ "x${ZOO_LOG_DIR}" = "x" ]
then
ZOO_LOG_DIR="."
else
if [ ! -w "$ZOO_LOG_DIR" ] ; then
mkdir -p "$ZOO_LOG_DIR"
fi
fi