Ok. Thanks a lot for quick response. On Thu, May 12, 2016 at 11:05 PM, Hyung Sung Shim <hss...@nflabs.com> wrote:
> Yes. that means this is a networking issue. > I think you should ask the problem to your network engineer. > > 2016-05-13 13:42 GMT+09:00 Sunita Koppar < > sunita.kop...@verizondigitalmedia.com>: > >> This fails. It says >> >> DISCONNECTED >> >> ERROR: undefined >> For both secured and unsecured. >> >> regards >> Sunita >> >> On Thu, May 12, 2016 at 8:44 PM, Hyung Sung Shim <hss...@nflabs.com> >> wrote: >> >>> Could you try like following image? >>> >>> [image: 본문 이미지 2] >>> >>> 2016-05-13 2:24 GMT+09:00 Sunita Koppar < >>> sunita.kop...@verizondigitalmedia.com>: >>> >>>> Assuming you wanted me to test this on my local machine (not the >>>> clustered node running Zeppelin Server) >>>> >>>> Below is the output: >>>> >>>> regards >>>> Sunita >>>> >>>> On Thu, May 12, 2016 at 9:46 AM, Hyung Sung Shim <hss...@nflabs.com> >>>> wrote: >>>> >>>>> 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 >>>>>>>>>> >>>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>> >>>> >>> >> >
