[R] Problem Installing rJava on MS Win 7 Platform

[Duncan Murdoch]

On 11-04-09 8:00 AM, Stephen P. Molnar wrote:
> That's true.  However, Java is installed on the machine.

The installation instructions ask for the Java Development Kit, "JDK". 
 From the messages below, that's not installed.

Duncan Murdoch

>
> On Thu, 7 Apr 2011 14:40:54 -0400
> David Winsemius<dwinsemius at comcast.net>  wrote:
>
>> He said "Java", not "rJava.
>>
>> On Apr 7, 2011, at 11:51 AM, Stephen P Molnar wrote:
>>
>>> Thanks for the reply.
>>>
>>> Yes, you are quite correct, but:
>>>
>>>> install.packages('rJava')
>>> Warning in install.packages("rJava") :
>>>   argument 'lib' is missing: using
>>> 'C:\Users\Stephen\Documents/R/win64-library/2.11'
>>> --- Please select a CRAN mirror for use in this session ---
>>> Warning: unable to access index for repository
>>> http://www.stats.ox.ac.uk/pub/RWin/bin/windows64/contrib/2.11
>>
>>> trying URL 'http://cran.case.edu/bin/windows64/contrib/2.11/rJava_0.8-5.zip'
>>> Content type 'application/zip' length 658913 bytes (643 Kb)
>>> opened URL
>>> downloaded 643 Kb
>>>
>>> package 'rJava' successfully unpacked and MD5 sums checked
>>>
>>> The downloaded packages are in
>>>         C:\Users\Stephen\AppData\Local\Temp\Rtmpcy0hAb
>>> \downloaded_packages
>>>>
>>> install.packages('C;\Users\Stephen\AppData\Local/Temp/Rtmpcy0hAb
>>> \downloaded_
>>
>>    There is a semi-colon in that path above that looks wrong. You might
>> first want to check that all your PATH entries are recorded properly.
>>
>> --
>> David.
>>> $
>>> Error: '\U' used without hex digits in character string starting "C;
>>> \U"
>>>>
>>>
>>> So, obviously, at this point I am attempting something that R does
>>> not like.
>>
>>
>>
>>
>>
>>>
>>> Stephen P. Molnar, Ph.D.
>>> Life is a
>>> fuzzy set
>>> Foundation for Chemistry
>>> Stochastic
>>> and multivriate
>>> http://www.FoundationForChemistry.com
>>>
>>>
>>> -----Original Message-----
>>> From: Uwe Ligges [mailto:ligges at statistik.tu-dortmund.de]
>>> Sent: Thursday, April 07, 2011 11:34 AM
>>> To: Stephen P Molnar
>>> Cc: r-help at r-project.org
>>> Subject: Re: [R] Problem Installing rJava on MS Win 7 Platform
>>>
>>> You failed to install an appropriate Java version.
>>>
>>> Best,
>>> Uwe Ligges
>>>
>>>
>>> On 07.04.2011 16:30, Stephen P Molnar wrote:
>>>> I'm a new R user and, frankly, this problem has got me stumped.
>>>>
>>>>
>>>>
>>>> I'm using the 64 bit version of RGui and followed the installation
>>>> instructions on http://www.rforge.net/rJava/
>>>>
>>>>
>>>>
>>>> Here is the result:
>>>>
>>>>
>>>>
>>>> package 'rJava' successfully unpacked and MD5 sums checked
>>>>
>>>>> library(rJava)
>>>>
>>>> Error in utils::readRegistry(key, "HLM", 2) :
>>>>
>>>>    Registry key 'Software\JavaSoft\Java Runtime Environment' not found
>>>>
>>>> Error in utils::readRegistry(key, "HLM", 2) :
>>>>
>>>>    Registry key 'Software\JavaSoft\Java Development Kit' not found
>>>>
>>>> Error : .onLoad failed in loadNamespace() for 'rJava', details:
>>>>
>>>>    call: fun(...)
>>>>
>>>>    error: JAVA_HOME cannot be found from the Registry
>>>>
>>>> Error: package/namespace load failed for 'rJava'
>>>>
>>>>
>>>>
>>>> I don't Have the faintest idea as t what I've done, or failed to do.
>>>>
>>>>
>>>>
>>>> Assistance will be greatly appreciated.
>>>>
>>>>
>>>>
>>>> Thanks in advance.
>>>>
>>>>
>>>>
>>>> Stephen P. Molnar, Ph.D.
>>>> Life is
>>> a
>>>> fuzzy set
>>>>
>>>> Foundation for Chemistry
>>> Stochastic
>>>> and multivriate
>>>>
>>>> http://www.FoundationForChemistry.com
>>>>
>>>>
>>>>
>>>>
>>>> 	[[alternative HTML version deleted]]
>>>>
>>>> ______________________________________________
>>>> R-help at r-project.org mailing list
>>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>>> ______________________________________________
>>> R-help at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>
>> David Winsemius, MD
>> West Hartford, CT
>>
>
>