@Örjan Lundberg Thanks for sharing the logs Mar 04, 2016 9:08:19 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 DNS issue - It may be related to name resolution of Zeppelin host. Are you able to ping that url from your desktop? If not DNS then How about IP? You may have to setup local /etc/host...Check the view settings. Connecting directly - Broken view --> Are you able to create notebooks? access exiting note book? ... View more

@Sunile Manjee See this https://community.hortonworks.com/questions/17782/about-delegate-admin-in-ranger.html Demo ... View more

@Vishal Jain I don't think you can upgrade spark version without upgrading to Latest version of HDP. http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.4.0/bk_upgrading_hdp_manually/content/configuring_and_upgrading_spark.html See this http://hortonworks.com/hadoop-tutorial/a-lap-around-apache-spark/ HDP 2.4 is GA now and it comes with Spark 1.6 You can try the above link in your environment. See this http://hortonworks.com/blog/announcing-the-general-availability-of-hortonworks-data-platform-2-4/ Starting with HDP 2.4, Hortonworks plans to release platform updates in two different cadences: Core HDP services Extended HDP services For those customers whose requirements are met by Spark 1.5.2 or earlier, they can remain on HDP 2.3.x with the understanding that the same core exists between HDP 2.4 and HDP 2.3.4. There is no need to upgrade and if there happens to be any additional issues found on Hadoop 2.7.1, maintenance releases will be created to address these defects for both the HDP 2.3.x release and the HDP 2.4.x release – in an attempt to keep the core aligned and maintain stability. ... View more