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 > >