hadoop集群正常启动，日志无任何错误。而8088端口不能访问。则需要为yarn-site.xml文件添加一下属性。并重新执行start-yarn.sh。
修改配置文件---yarn-site.xml，将下列属性添加
<property>
<name>yarn.resourcemanager.address</name>
<value>192.168.211.101:8032</value>
</property>
<property>
<name>yarn.resourcemanager.scheduler.address</name>
<value>192.168.211.101:8030</value>
</property>
<property>
<name>yarn.resourcemanager.resource-tracker.address</name>
<value>192.168.211.101:8031</value>
</property>
<property>
<name>yarn.resourcemanager.admin.address</name>
<value>192.168.211.101:8033</value>
</property>
<property>
<name>yarn.resourcemanager.webapp.address</name>
<value>192.168.211.101:8088</value>
</property>