solved grrr I had to set JAVA_HOME to point to the jdk directory not the parent. This had to be done as root not user otherwise the rJava is fails. At the end of the day its installed. -- View this message in context: http://r.789695.n4.nabble.com/rJava-RCMD-javareconf-fails-tp4488961p4492094.html Sent from the R help mailing list archive at Nabble.com.