Le jeudi 12 avril 2012 à 13:41 -0700, Waichler, Scott R a écrit :
> Hi, I am unable to install the package rJava. I tried doing what the output
> suggests, but it doesn't help. How can I get R to find/recognize my Java
> installation? I am running R-2.15.0.
>
> waichler@snow> sudo R CMD javareconf
> Java interpreter : /usr/bin/java
> Java version : 1.6.0_22
> Java home path : /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre
> Java compiler : /usr/bin/javac
> Java headers gen.:
> Java archive tool: /usr/bin/jar
> Java library path:
> $(JAVA_HOME)/lib/i386/client:$(JAVA_HOME)/lib/i386:$(JAVA_HOME)/../lib/i386:/usr/java/packages/lib/i386:/lib:/usr/lib
> JNI linker flags : -L$(JAVA_HOME)/lib/i386/client -L$(JAVA_HOME)/lib/i386
> -L$(JAVA_HOME)/../lib/i386 -L/usr/java/packages/lib/i386 -L/lib -L/usr/lib
> -ljvm
> JNI cpp flags :
>
> Updating Java configuration in /usr/lib/R
> Done.
>
> > install.packages(c("rJava"), dependencies = T, repos =
> > "http://cran.fhcrc.org";)
> . . .
> checking whether siglongjmp is declared... yes
> checking Java support in R... present:
> interpreter : '/usr/bin/java'
> archiver : '/usr/bin/jar'
> compiler : '/usr/bin/javac'
> header prep.: ''
> cpp flags : ''
> java libs : '-L/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/lib/i386/client
> -L/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/lib/i386
> -L/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/../lib/i386
> -L/usr/java/packages/lib/i386 -L/lib -L/usr/lib -ljvm'
> configure: error: One or more Java configuration variables are not set.
> Make sure R is configured with full Java support (including JDK). Run
> R CMD javareconf
> as root to add Java support to R.
>
> If you don't have root privileges, run
> R CMD javareconf -e
> to set all Java-related variables and then install rJava.
>
> ERROR: configuration failed for package ÆrJavaÇ
> * removing Æ/usr/lib/R/library/rJavaÇ
It looks like you need "Java headers gen." to be set. Here on my box
(Fedora 16) it is:
Java headers gen.: /usr/bin/javah
So I guess you need to find out what package provides this file on your
distribution (which you did not mention). First check the file is
currently not present.
Cheers
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