@Harsh J How  would I do this   just for   one job ?.   I tried using  below  setting but it is not working. The issue is that I want to  use a version of jersey which I bundled into my fat jar,however  gateway node  has an older version of  that jar and it loads a class from  there resulting in a NosSuchMethodException .My application is not a map reduce job and I run it by using  hadoop jar and running on 5.14.4   export HADOOP_USER_CLASSPATH_FIRST=true export HADOOP_CLASSPATH=/projects/poc/test/config:$HADOOP_CLASSPATH ... View more