[R] Java to R interface.

[vikrant S]

I want to call R functions from Java. I read a couple of forums that said to
install package rJava in R.
However I am not able to install rJava package in linux Ubuntu.I tried with
two commands.
One is
install.packages("rJava")

and another I downloaded the rJava_0.7-0.tar.gz file from R site.
and gave the command R CMD INSTALL rJava_0.7-0.tar.gz.
 I got the followin Errors :- 


Warning in install.packages("rJava") :
  argument 'lib' is missing: using
'/home/vikrant/R/i486-pc-linux-gnu-library/2.9'
trying URL 'http://cran.uk.r-project.org/src/contrib/rJava_0.7-0.tar.gz'
Content type 'application/x-gzip' length 249486 bytes (243 Kb)
opened URL
==================================================
downloaded 243 Kb

* Installing *source* package ‘rJava’ ...
mv: cannot move `/home/vikrant/R/i486-pc-linux-gnu-library/2.9/rJava' to
`/home/vikrant/R/i486-pc-linux-gnu-library/2.9/00LOCK/rJava': Permission
denied
checking for gcc... gcc -std=gnu99
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc -std=gnu99 accepts -g... yes
checking for gcc -std=gnu99 option to accept ISO C89... none needed
checking how to run the C preprocessor... gcc -std=gnu99 -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... yes
checking for sys/wait.h that is POSIX.1 compatible... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for string.h... (cached) yes
checking sys/time.h usability... yes
checking sys/time.h presence... yes
checking for sys/time.h... yes
checking for unistd.h... (cached) yes
checking for an ANSI C-conforming const... yes
checking whether time.h and sys/time.h may both be included... yes
configure: checking whether gcc -std=gnu99 supports static inline...
yes
checking Java support in R... present:
interpreter : '/usr/bin/java'
archiver    : '/usr/bin/jar'
compiler    : '/usr/bin/javac'
header prep.: '/usr/bin/javah'
cpp flags   : '-I/usr/lib/jvm/java-6-openjdk/jre/../include'
java libs   : '-L/usr/lib/jvm/java-6-openjdk/jre/lib/i386/client
-L/usr/lib/jvm/java-6-openjdk/jre/lib/i386
-L/usr/lib/jvm/java-6-openjdk/jre/../lib/i386 -L
-L/usr/java/packages/lib/i386 -L/lib -L/usr/lib -L/usr/lib/jni -ljvm'
checking whether JNI programs can be compiled... yes
checking JNI data types... configure: error: One or more JNI types differ
from the corresponding native type. You may need to use non-standard
compiler flags or a different compiler in order to fix this.
ERROR: configuration failed for package ‘rJava’

Please Help me to install rJava. and anyone Could u suggest Is there any
better way to call R from Java
And provide me the tutorial for the same ?
Thanks in Advance

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