yes i got the result.you can see. [hdusr@vfarm01d hadoop]$ hadoop classpath /opt/hadoop/etc/hadoop:/opt/hadoop/share/hadoop/common/lib/*:/opt/hadoop/share/hadoop/common/*:/opt/hadoop/share/hadoop/hdfs:/opt/hadoop/share/hadoop/hdfs/lib/*:/opt/hadoop/share/hadoop/hdfs/*:/opt/hadoop/share/hadoop/yarn/lib/*:/opt/hadoop/share/hadoop/yarn/*:/opt/hadoop/share/hadoop/mapreduce/lib/*:/opt/hadoop/share/hadoop/mapreduce/*:/opt/hadoop/contrib/capacity-scheduler/*.jar and i have set as you said export CLASSPATH=`hadoop classpath` but still getting same error. ... View more

@zahain @Shafi Ahmad Did you find the fix...Can you please share the solution. ... View more

You can upgrade Ambari to 2.4.2 and then follow the standard upgrade process to upgrade HDP from 2.3 to 2.5.3. ... View more