https://community.cloudera.com/t5/Support-Questions/Apache-Zeppelin-Livy-can-t-initialize-SparkContext-on-YARN/m-p/204893#M166882 <P>Can you please let us know which spark and zeppelin version you are using?</P><P>Is Kerberos is enabled in you cluster ?</P><P><BR /></P><P>Below are few things to check to resolve this issue :</P><P>1)Make sure you configured livy.host and livy.group in custom-core.site (hdfs-&gt;Custom-core.site)</P><P>Make sure they are configure to * for livy </P><P><BR /></P><P>2)Also you need to configure livy.superuser in your Livy interpreter too.</P><P><BR /></P><P>3)Yarn Queue access ?</P><P><BR /></P><P>4)if ranger is enabled , please make sure you have access to YARN queqe </P><P><BR /></P><P>Hope this helps </P> Sun, 05 May 2019 10:47:23 GMT sameer_dalai 2019-05-05T10:47:23Z