zookeeper作單機版,能夠正常啓動;可是zookeeper作集羣后啓動不了,大部分緣由是防火牆未關閉。centos
centos的關閉防火牆方法比較獨立。cmd
systemctl stop firewalld.service集羣
查看防火牆關閉狀態:zookeeper
firewall-cmd --state service