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