R: Install java
From OnnoCenterWiki
Di Shell
java -version sudo apt-get install default-jre sudo apt-get install default-jdk sudo R CMD javareconf sudo apt-get install r-cran-rjava sudo apt-get install libgdal-dev libproj-dev
Di R
install.packages("rJava")
Done!
There might be some errors displayed during package installation - just don't look at it (I did and all was fine).