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 >>>>>> >>>>>> >>>>> >>>> >>
