On Oracle Big Data Appliance , ORCH Sample Job Fails with 'Hadoop home is not found at "/usr/lib" 'Error
(Doc ID 2022460.1)
Last updated on AUGUST 03, 2021
Applies to:
Oracle R Connector for Hadoop - Version 2.4.0 and laterLinux x86-64
Symptoms
On Oracle Big Data Appliance 4.* release executing ORCH sample jobs from R shell or RStudio fail with 'Hadoop home is not found at "/usr/lib" ' error
$ R
...........
> library(ORCHtestkit)
.........
testing ORCH bug-10:
-> 1) hadoop.run() w/ dbg.off()
:: hadoop.run(c(1, 2, 3), mapper = function(k, v) {...
Error : Hadoop home is not found at "/usr/lib"
-- FAILED --
-- FAILED --
failed in "bug-10"
..................
...........
> library(ORCHtestkit)
.........
testing ORCH bug-10:
-> 1) hadoop.run() w/ dbg.off()
:: hadoop.run(c(1, 2, 3), mapper = function(k, v) {...
Error : Hadoop home is not found at "/usr/lib"
-- FAILED --
-- FAILED --
failed in "bug-10"
..................
Cause
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