R/RStudio, Yosemite, and Java
问题 I upgraded to OSX Yosemite yesterday. When I run library(xlsx) in RStudio , the program crashes and I get the message: "To open 'RStudio' you need to install the legacy Java SE 6 runtime." I get the same result and message about opening R when I run library(xlsx) in R . Here are my details: Mac Yosemite, Version 10.10.2 R version 3.1.2 (2014-10-31) Platform: x86_64-apple-darwin13.4.0 (64-bit) I have Java Version 8 update 31. I ran java -version and got this message: "No Java runtime present,