rJava load error in RStudio/R after “upgrading” to OSX Yosemite

Question

I recently \"upgraded\" from OSX Mountain Lion to Yosemite and from R 3.1.3 to 3.2. Immediately after the upgrade, when I opened R or RStudio I got a pop-up message saying t

Answer 1

Here what worked for me on MAC:

1. in your ~/.profile or ~/.bashrc add this line: %export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_102.jdk/Contents/Home

   1.1 % source .profile (or % source .bashrc)

2. % sudo ln -s $(/usr/libexec/java_home)/jre/lib/server/libjvm.dylib /usr/local/lib
3. remove.packages(rJava)
4. remove.packages(Rweka)
5. From the terminal enter this command: %sudo R CMD javareconf
6. install.packages("rJava", dependencies = TRUE, type = "source")
7. install.packages("rJava", dependencies = TRUE, type = "source")
8. Load your library("rJava", "RWeka")

Best of luck.