RJava won't load on rstudio server

I am using rstudio on ubuntu 12.4 server

with r 3.1.1

. Installing rJava successfully. But failed to load library rjava. I am using "rstudio" as a user.

Loading required package: rJava
Error : .onLoad failed in loadNamespace() for 'rJava', details:
  call: dyn.load(file, DLLpath = DLLpath, ...)
  error: unable to load shared object '/home/rstudio/R/x86_64-pc-linux-gnu-library/3.1/rJava/libs/rJava.so':
  libjvm.so: cannot open shared object file: No such file or directory
Error: package ‘rJava’ could not be loaded

      

        
        
        
      

    

But I could see the file in the mentioned declaration.

Also when I did this in Rstudio ...

>Sys.getenv("LD_LIBRARY_PATH")

[1] "/usr/lib/R/lib:/lib:/usr/lib/jvm/java-6-openjdk-amd64/jre/lib/amd64/server:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@:@JAVA_LD@"

      

        
        
        
      

    

When I did sudo R CMD javareconf

I got the next one

Java interpreter : /usr/bin/java
Java version     : 1.6.0_32
Java home path   : /usr/lib/jvm/java-6-openjdk-amd64/jre
Java compiler    : /usr/bin/javac
Java headers gen.: /usr/bin/javah
Java archive tool: /usr/bin/jar

trying to compile and link a JNI progam
detected JNI cpp flags    :
detected JNI linker flags : -L$(JAVA_HOME)/lib/amd64/server -ljvm
gcc -std=gnu99 -I/usr/share/R/include -DNDEBUG      -fpic  -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -g  -c conftest.c -o conftest.o
conftest.c:1:17: fatal error: jni.h: No such file or directory
compilation terminated.
make: *** [conftest.o] Error 1
Unable to compile a JNI program


JAVA_HOME        : /usr/lib/jvm/java-6-openjdk-amd64/jre
Java library path:
JNI cpp flags    :
JNI linker flags :
Updating Java configuration in /usr/lib/R
Done.

      

        
        
        
      

    

Can anyone please help solve the problem.

Thanks, Amit