[R] Java to R interface

From: madhura <madhura.girish_at_gmail.com>
Date: Thu, 05 Jun 2008 07:52:28 -0700 (PDT)


I am developing an application that uses Eclipse framework on Windows. I have to call R from Java. I downloaded rJava package and installed it. I set the classpath in the Run Dialog in Eclipse to the directory where the JRI.jar is. I set the Path environmental variable to the directory where R.dll and jri.dll are. Yet when I run the rtest example (in jri/examples directory), I get the following error.

Cannot find JRI native library!
Please make sure that the JRI native library is in a directory listed in java.library.path.

java.lang.UnsatisfiedLinkError: no jri in java.library.path

	at java.lang.ClassLoader.loadLibrary(Unknown Source)
	at java.lang.Runtime.loadLibrary0(Unknown Source)
	at java.lang.System.loadLibrary(Unknown Source)
	at org.rosuda.JRI.Rengine.<clinit>(Rengine.java:9)
	at sample.rtest.main(rtest.java:54)

I think I have put jri.jar in all the places that i need to. Yet I am unable to get the program to work. Any help is much appreciated.

Thanks,
Madhura



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