How does one configure rJava on OSX to select the right JVM — .jinit() failing

Question

I installed rJava by calling install.packages(\"rJava\") -- no problems seen

However when I call:

library(rJava)
.jinit() 

I get:

Answer 1

This solution Cannot load R xlsx package on Mac OS 10.11

sudo R CMD javareconf

install.packages("rJava",type='source')

Worked for me