我下载了 zeppelin 二进制包并启动它。然而它已断开连接。这是日志：
INFO [2016-01-12 14:37:56,592] ({main} QuartzScheduler.java[initialize]:305) - Scheduler meta-data: Quartz Scheduler (v2.2.1) 'Defau
ltQuartzScheduler' with instanceId 'NON_CLUSTERED'
Scheduler class: 'org.quartz.core.QuartzScheduler' - running locally.
NOT STARTED.
Currently in standby mode.
Number of jobs executed: 0
Using thread pool 'org.quartz.simpl.SimpleThreadPool' - with 10 threads.
Using job-store 'org.quartz.simpl.RAMJobStore' - which does not support persistence. and is not clustered.
INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1339) - Quartz scheduler 'DefaultQuartzScheduler' initi
alized from default resource file in Quartz package: 'quartz.properties'
INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1343) - Quartz scheduler version: 2.2.1
INFO [2016-01-12 14:37:56,593] ({main} QuartzScheduler.java[start]:575) - Scheduler DefaultQuartzScheduler_$_NON_CLUSTERED started.
INFO [2016-01-12 14:37:56,805] ({main} ServerImpl.java[initDestination]:94) - Setting the server's publish address to be /
INFO [2016-01-12 14:37:56,888] ({main} WebInfConfiguration.java[unpack]:478) - Extract jar:file:/data/users/huser/zeppelin/zeppelin-
web-0.5.5-incubating.war!/ to /tmp/jetty-0.0.0.0-8080-zeppelin-web-0.5.5-incubating.war-_-any-/webapp
INFO [2016-01-12 14:37:57,040] ({main} StandardDescriptorProcessor.java[visitServlet]:284) - NO JSP Support for /, did not find org.
apache.jasper.servlet.JspServlet
INFO [2016-01-12 14:37:57,941] ({main} AbstractConnector.java[doStart]:338) - Started SelectChannelConnector@0.0.0.0:8080
INFO [2016-01-12 14:37:57,941] ({main} ZeppelinServer.java[main]:108) - Started zeppelin server
我搜索了一下，发现port+1就是websocket端口。但是，它没有在听：
网络统计-na | grep 8080
tcp 0 0 :::8080 :::* 听
网络统计-na | grep 8081
注意...
网络返回错误：
WebSocket 连接到“ws://ip:8080/ws”失败：通过代理服务器建立隧道失败。
任何人都可以帮忙吗？谢谢。