https://community.cloudera.com/t5/Support-Questions/Spark-History-Server-fails-to-start-with-new-installation/m-p/312766#M225270 <P><a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/86162">@PrernaU</a>&nbsp;From the logs, I see below error</P><P>&nbsp;</P><LI-CODE lang="markup">Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.AccessControlException): Permission denied: user=spark, access=EXECUTE, inode="/user":mapred:supergroup:drwxrwx---</LI-CODE><P>&nbsp;</P><P>Assign required permission for <STRONG>spark</STRONG> user on<STRONG> /user</STRONG> directory</P> Wed, 10 Mar 2021 14:59:30 GMT Scharan 2021-03-10T14:59:30Z