@Zaher Mahdhi I was able to reproduce this and now job is running after fixing R script. R script needs to look like this....Notice the next line between env and Rscript #!/usr/bin/env
Rscript
f <- file("stdin")
open(f)
state_data = read.table(f)
summary(state_data) hadoop jar /usr/hdp/current/hadoop-mapreduce-client/hadoop-streaming-2.7.1.2.3.4.0-3485.jar -input cities.txt -output streamout11_r -mapper /bin/cat -reducer script.r -numReduceTasks 2 -file script.r
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