[R-SIG-Mac] rJava stops loading since I upgraded R to 3.4.0

[David Winsemius]

> On May 23, 2017, at 1:05 PM, Duncan Murdoch <murdoch.duncan at gmail.com> wrote:
> 
> On 23/05/2017 2:48 PM, Christofer Bogaso wrote:
>> Hi again,
>> 
>> After I upgraded R to 3.4.0, I could not load rJava package. Below is
>> the error :
>> 
>>> 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/3.4/Resources/library/rJava/libs/rJava.so':

To Christofer;

Does '/Library/Frameworks/R.framework/Versions/3.4/Resources/library/rJava/libs/rJava.so' exist?

(You may need to check libPaths() in your new installation. )


>>  dlopen(/Library/Frameworks/R.framework/Versions/3.4/Resources/library/rJava/libs/rJava.so,
>> 6): Library not loaded: @rpath/libjvm.dylib
>> 

What version of the Java Runtime Environment is available? What do you get for:

system('javac -version')
#I get:
#javac 1.8.0_65

I think that version was working with rJava, but I followed the "critical" advice on the Java SDK webpage ...

... and after updating I now  get
#javac 1.8.0_131

And rJava still loads without error. I'm not on Sierra, however.

Good luck;
David,



>>  Referenced from:
>> /Library/Frameworks/R.framework/Versions/3.4/Resources/library/rJava/libs/rJava.so
>> 
>>  Reason: image not found
>> 
>> I have installed latest version of Java.
> 
> Did you re-install rJava?  Generally speaking you need to re-install all packages when switching R versions (except if the only change is in the patch level z, where the version number is x.y.z, you can usually use the old version).
> 
> Duncan Murdoch
> 
>> 
>> R version :
>> 
>> R version 3.4.0 (2017-04-21) -- "You Stupid Darkness"
>> 
>> Copyright (C) 2017 The R Foundation for Statistical Computing
>> 
>> Platform: x86_64-apple-darwin15.6.0 (64-bit)
>> 
>> iOS : Sierra
>> 
>> With previous version of R, rJava was working fine. Could you please
>> help how to fix it.
>> 
>> Thanks for your time.
>> 
>> Regards,
>> 
>> _______________________________________________
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>> R-SIG-Mac at r-project.org
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>> 
> 
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David Winsemius
Alameda, CA, USA