@Vinayak Agrawal try this try modifying the workflow.xml and add <exec>${execFile}</exec> 
<env-var>HADOOP_USER_NAME=${wf:user()}</env-var> <file>${execPath}#${execFile}</file> ... View more

@simran kaur try modifying the workflow.xml and add <exec>${execFile}</exec> 
<env-var>HADOOP_USER_NAME=${wf:user()}</env-var> <file>${execPath}#${execFile}</file> ... View more

@pedababu turlapati You have to look into the following settings. This was happened in my cluster when I did the manual install i,e non ambari install http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.4.2/bk_installing_manually_book/content/configure_yarn_and_mapreduce.html modify mapreduce.application.classpath - in the entries there should not be any breaks or gaps <property> <name>mapreduce.application.classpath</name> <value>$PWD/mr-framework/hadoop/share/hadoop/mapreduce/*:$PWD/mr-framework/hadoop/share/hadoop/mapreduce/lib/*:$PWD/mr-framework/hadoop/share/hadoop/common/*:$PWD/mr-framework/hadoop/share/hadoop/common/lib/*:$PWD/mr-framework/hadoop/share/hadoop/yarn/*:$PWD/mr-framework/hadoop/share/hadoop/yarn/lib/*:$PWD/mr-framework/hadoop/share/hadoop/hdfs/*:$PWD/mr-framework/hadoop/share/hadoop/hdfs/lib/*:/usr/hdp/${hdp.version}/hadoop/lib/hadoop-lzo-0.6.0.${hdp.version}.jar:/etc/hadoop/conf/secure</value> </property> ... View more

@simran kaur Ambari takes care of creating users. I am not sure how did you install the cluster. Did you use ambari? ... View more

@Mukthyar Azam Answer to your question: Yes http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.4.2/bk_installing_manually_book/content/ch_installing_hue_chapter.html But I do suggest to look into Ambari views. ... View more