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
>
>
