Dennis, there is a bug in the Oracle 1.7/1.8 Java which requires you to install Apple Java 1.6 even if you don't intend to use it, so installing Java from Oracle alone won't help - even if you re-complie rJava against 1.8 - you still have to follow the instructions and install Java from
http://support.apple.com/kb/DL1572 More on the bug in Oracle Java (still not fixed as of 1.8) at https://bugs.openjdk.java.net/browse/JDK-7131356 There is a detailed discussion also at https://github.com/s-u/rJava/issues/37 Cheers, Simon On Apr 8, 2015, at 5:12 PM, Dennis Fisher <[email protected]> wrote: > OS X Yosemite > R 3.1.3 > > Colleagues > > I have used the package xlsx successfully in the past. Today, I attempted to > use that package, the first time since I upgraded to Yosemite. R responded > to: > library(“xlsx”) > with > No Java runtime present, requesting install. > A popup then said “you need to install the legacy Java SE 6 runtime” > > I updated all my packages, then I tried: > library(“rJava”) > The outcome is the same. > > I installed Java (Java 8 Update 40), then tried again. Same problem. I can > confirm that Java is installed: >> PET633> java -version >> java version "1.8.0_40" >> Java(TM) SE Runtime Environment (build 1.8.0_40-b27) >> Java HotSpot(TM) 64-Bit Server VM (build 25.40-b25, mixed mode) > > It appears that the rJava wants an old version of java — however, I can’t > find that version at the Oracle website. For curiosity, I tried to install > Java SE 7 — the installer would not allow this once it found the newer > version (8). This suggests that installing version 6 will also not be > permitted. > > Any thoughts? > > Dennis > > Dennis Fisher MD > P < (The "P Less Than" Company) > Phone: 1-866-PLessThan (1-866-753-7784) > Fax: 1-866-PLessThan (1-866-753-7784) > www.PLessThan.com > > _______________________________________________ > R-SIG-Mac mailing list > [email protected] > https://stat.ethz.ch/mailman/listinfo/r-sig-mac _______________________________________________ R-SIG-Mac mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-mac
