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