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 OCTOBER 11, 2016

Applies to:

Oracle R Connector for Hadoop - Version 2.4.0 and later
Linux 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"
..................

 

Cause

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