[R-SIG-Mac] java version, perhaps related to ggplot2

[David Winsemius]

> On May 22, 2018, at 1:36 AM, Richard M. Heiberger <rmh at temple.edu> wrote:
> 
> sI have Macintosh High Sierra 10.13.4
> and R_3.5.0
> 
> I am attempting to R CMD build and check my package microplot against
> the imminent ggplot2_2.2.1.9000
> 

I have a new High Sierra Machine with a System that was ported over from an earlier version of the OS. I've installed R 3.5.0.  I tried installing micro plot from binary without error, but when I try to load the rJava library I was getting an error with the old Java version 151, so I accepted the Oracle offer of installing version 171 downloaded from the Java website, but I'm also seeing:

library(rJava)
Error: package or namespace load failed for ‘rJava’:
 .onLoad failed in loadNamespace() for 'rJava', details:
  call: dyn.load(file, DLLpath = DLLpath, ...)
  error: unable to load shared object '/Library/Frameworks/R.framework/Versions/3.5/Resources/library/rJava/libs/rJava.so':
  dlopen(/Library/Frameworks/R.framework/Versions/3.5/Resources/library/rJava/libs/rJava.so, 6): Library not loaded: /Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home/lib/server/libjvm.dylib
  Referenced from: /Library/Frameworks/R.framework/Versions/3.5/Resources/library/rJava/libs/rJava.so
  Reason: image not found


There is a folder  /Library/Java/JavaVirtualMachines/jdk1.8.0_171.jdk, but nothing named with a jdk-9 prefix


S
Best;

David.

> The build fails with messages
> 
> ** byte-compile and prepare package for lazy loading
> Error : .onLoad failed in loadNamespace() for 'rJava', details:
>  call: dyn.load(file, DLLpath = DLLpath, ...)
>  error: unable to load shared object
> '/Library/Frameworks/R.framework/Versions/3.5/Resources/library/rJava/libs/rJava.so':
>  dlopen(/Library/Frameworks/R.framework/Versions/3.5/Resources/library/rJava/libs/rJava.so,
> 6): Library not loaded:
> /Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home/lib/server/libjvm.dylib
>  Referenced from:
> /Library/Frameworks/R.framework/Versions/3.5/Resources/library/rJava/libs/rJava.so
>  Reason: image not found
> ERROR: lazy loading failed for package ‘microplot’
> 
> Indeed I do not have Java 9, I have Java 8, which the Java updater
> says is current (171).
> The java site
> http://www.oracle.com/technetwork/java/javase/overview/index.html
> seems to want to give me Java 10 (not Java 9), and the discussion on
> this R-sig-mac list
>    [R-SIG-Mac] R and Java 10 ➜ rJava not able to build
> beginning March 29 seems to say 8 is still correct.  As suggested
> there I looked at R-admin for 3.5.0
> and discover "The situation with Java support on macOS is messy".
> I attempted the suggested workaround
> JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_60.jdk/Contents/Home
> and got the same message as above.
> 
> I need guidance as to the next steps I should take.
> 
> Rich
> 
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