I don't think pr868 is the reason. It seems your problem is the network issue. Can you do the websocket connection test on http://www.websocket.org/echo.html and share your result?
2016년 5월 13일 금요일, Sunita Koppar<sunita.kop...@verizondigitalmedia.com>님이 작성한 메시지: > Appreciate your quick responses. Thanks a lot. > > I am trying with this exact combination. Its a CDH 5.7 cluster with Spark > 1.6 > > https://github.com/apache/incubator-zeppelin/pull/868 could this be the > reason? > > Any suggestions on how to debug the issue. I dont see any errors anywhere. > > > regards > > Sunita > > On Thu, May 12, 2016 at 9:00 AM, Hyung Sung Shim <hss...@nflabs.com> > wrote: > >> Since 0.5.5 version, Zeppelin uses single port for REST and websocket so >> you don't need to care about 8092 port in your case. >> >> 2016년 5월 13일 금요일, Sunita Koppar<sunita.kop...@verizondigitalmedia.com>님이 >> 작성한 메시지: >> >> Thanks for the response. >>> Yes there is a firewall but that has been opened for access. The >>> zeppelin server runs on 8091 and that is open. From the comments, it seems >>> 8092 needs to be open as well. From firewall perspective 8092 is open as >>> well (we have requested for a bracket of sockets to be opened which >>> includes 8092), but I am not sure if zeppelin client opens the websocket >>> over existing connection or as an independent socket connection from >>> browser back to server. Pardon my ignorance on the subject. >>> >>> Here is the netstat output of the node running the server: >>> >>> $ netstat -na |grep 8092 >>> $ netstat -na |grep 8091 >>> tcp 0 0 0.0.0.0:8091 0.0.0.0:* >>> LISTEN >>> tcp 0 0 0.0.0.0:18091 0.0.0.0:* >>> LISTEN >>> tcp 0 0 10.240.41.55:8091 192.229.234.2:20673 >>> FIN_WAIT2 >>> tcp 0 0 10.240.41.55:8091 192.229.234.2:21277 >>> FIN_WAIT2 >>> tcp 0 0 10.240.41.55:8091 192.229.234.2:42529 >>> ESTABLISHED >>> tcp 0 0 10.240.41.55:8091 192.229.234.2:27722 >>> FIN_WAIT2 >>> tcp 0 0 10.240.41.55:8091 192.229.234.2:63170 >>> FIN_WAIT2 >>> tcp 0 0 10.240.41.55:8091 192.229.234.2:8542 >>> FIN_WAIT2 >>> tcp 0 0 10.240.41.55:8091 192.229.234.2:7125 >>> FIN_WAIT2 >>> tcp 0 1 10.240.41.55:8091 192.229.234.2:16906 >>> FIN_WAIT1 >>> >>> >>> zeppelin-site.xml has: >>> >>> <property> >>> <name>zeppelin.server.port</name> >>> <value>8091</value> >>> <description>Server port.</description> >>> </property> >>> >>> >>> regards >>> Sunita >>> >>> On Wed, May 11, 2016 at 8:00 PM, Hyung Sung Shim <hss...@nflabs.com> >>> wrote: >>> >>>> Hello. >>>> >>>> Zeppelin uses websocket connection. Do you have some firewall/proxy >>>> between your browser and zeppelin server daemon? If that does not pass >>>> websocket connection, start page may show 'Disconnected'. >>>> >>>> >>>> 2016-05-12 4:09 GMT+09:00 Sunita Koppar < >>>> sunita.kop...@verizondigitalmedia.com>: >>>> >>>>> Hello Experts, >>>>> >>>>> I am beginning to explore Apache Zeppelin and have set it up on one of >>>>> our development cluster nodes. The hadoop version is Hadoop >>>>> 2.6.0-cdh5.7.0, >>>>> Spark - 1.6, maven 3.3.9 (Had an error while building one of the >>>>> dependencies and it mentioned the version should be atleast 3.1.0) >>>>> >>>>> I have set the below properties in zeppelin-env.sh >>>>> >>>>> >>>>> *export JAVA_HOME=/home/zeppelin/prerequisites/jdk1.7.0_79* >>>>> *export MASTER=yarn-client # Spark >>>>> master url. eg. spark://master_addr:7077. Leave empty if you want to use >>>>> local mode.* >>>>> *export >>>>> HADOOP_CONF_DIR=/etc/hadoop/conf.cloudera.yarn:/etc/hive/conf.cloudera.hive* >>>>> *export >>>>> HADOOP_HOME=/opt/cloudera/parcels/CDH-5.7.0-1.cdh5.7.0.p0.45/lib/hadoop* >>>>> *export >>>>> SPARK_HOME=/opt/cloudera/parcels/CDH-5.7.0-1.cdh5.7.0.p0.45/lib/spark* >>>>> >>>>> and built as root with below command: >>>>> >>>>> *mvn clean package -Pspark-1.6 -Dhadoop.version=2.6.0-cdh5.7.0 >>>>> -Phadoop-2.6 -Pyarn -DskipTests* >>>>> >>>>> Since default port 8080 threw address in use exception (some cloudera >>>>> services use it I guess), I changed this to 8091. >>>>> >>>>> ./bin/zeppelin-daemon.sh start -> works and the server is started, >>>>> however, there is nothing displayed on the home screen and the status >>>>> shows >>>>> disconnected. >>>>> There are no errors in the zeppelin-root-xxx.log. Only relevant entry >>>>> could be (which I am not sure is an issue) >>>>> >>>>> >>>>> *INFO [2016-05-11 18:53:05,910] ({main} >>>>> StandardDescriptorProcessor.java[visitServlet]:297) - NO JSP Support for >>>>> /, >>>>> did not find org.eclipse.jetty.jsp.JettyJspServlet* >>>>> >>>>> >>>>> The zeppelin-root-xxx.out file shows has the below entry as the latest: >>>>> >>>>> *May 11, 2016 6:53:08 PM >>>>> com.sun.jersey.server.impl.application.WebApplicationImpl _initiate* >>>>> *INFO: Initiating Jersey application, version 'Jersey: 1.13 06/29/2012 >>>>> 05:14 PM'* >>>>> *May 11, 2016 6:53:09 PM com.sun.jersey.spi.inject.Errors >>>>> processErrorMessages* >>>>> *WARNING: The following warnings have been detected with resource >>>>> and/or provider classes:* >>>>> * WARNING: A HTTP GET method, public javax.ws.rs.core.Response >>>>> org.apache.zeppelin.rest.InterpreterRestApi.listInterpreter(java.lang.String), >>>>> should not consume any entity.* >>>>> * WARNING: A sub-resource method, public javax.ws.rs.core.Response >>>>> org.apache.zeppelin.rest.NotebookRestApi.createNote(java.lang.String) >>>>> throws java.io.IOException, with URI template, "/", is treated as a >>>>> resource method* >>>>> * WARNING: A sub-resource method, public javax.ws.rs.core.Response >>>>> org.apache.zeppelin.rest.NotebookRestApi.getNotebookList() throws >>>>> java.io.IOException, with URI template, "/", is treated as a resource >>>>> method* >>>>> >>>>> >>>>> Appreciate any help in this regard >>>>> >>>>> [image: Inline image 1] >>>>> >>>>> regards >>>>> Sunita >>>>> >>>>> >>>> >>> >