On 1/23/2009 9:44 AM, drflxms wrote:
Dear Mr. Murdoch, Dear Mr. Ripley, Dear Mr. Wang,
thank you very much for your quick and efficient help! It is exactly as
Duncan explained it: Including jvm.dll in PATH solved the problem
immediately. Everything works fine now.
The only thing is, that I do not understand why I had to do this
manualy, as I installed Java Runtime Environment a long time ago,
updated frequently and never encountered any difficulties in using Java
software.
If you look at rJava:::.onLoad now that you can load the package, you'll
see that it goes through a number of tests to try to find the right
path. Those work on my system (and presumably on Simon Urbanek's, the
rJava maintainer), but not on yours. It might be helpful to him if you
could find some small change to his search that would work on systems
like yours, even without adding the jvm.dll path to the general PATH.
(I don't have it in mine.)
Duncan Murdoch
Anyway, I am happy now :-)
Thanx again for your great support!
Greetings from Munich, Germany,
Felix
Duncan Murdoch schrieb:
On 1/23/2009 7:38 AM, drflxms wrote:
Dear community,
unfortunately I did not manage load the rJava package receiving the
following
error-message:
library("rJava")
Error in inDL(x, as.logical(local), as.logical(now), ...) : kann
shared library 'C:/Programme/R/2.8.1/library/rJava/libs/rJava.dll' nicht
laden:
LoadLibrary failure: Das angegebene Modul wurde nicht gefunden.
Error : .onLoad in 'loadNamespace' für 'rJava' fehlgeschlagen
Fehler: Laden von Paket/Namensraum für 'rJava' fehlgeschlagen
Translation: can't load library ... rJava.dll
LoadLibrary failure: the module was not found
That message comes from Windows, not R, and it's misleading. It does
not say that rJava.dll was not found, it says that a DLL needed by it
is not found. It would be helpful if it told you which one. You
should complain to Microsoft about it. If rJava.dll had been missing,
the English message would have been
shared library 'rJava' not found
The pedump utility (in the Rtools set, see
www.murdoch-sutherland.com/Rtools) can tell you what the dependencies
are:
pedump -i rJava.dll
shows that it imports things from these dlls:
R.dll
KERNEL32.dll
msvcrt.dll
jvm.dll
The first 3 are routine; without those R wouldn't work. (Without
KERNEL32.dll, nothing in Windows would work.) So as Brian said, it's
likely jvm.dll that it can't find, or possibly a DLL that it depends on.
Did you install Java first, as rJava requires?
Duncan Murdoch
Reinstalling the package did not help, installing the latest
developement
version didn't help as well.
The shared library rJava.dll is in place (exactly where R is looking
for it)!
Are there any ideas, what's wrong.
I'd appreciate any kind of help very much, as I need rJava urgently
to use RWeka and iPlots.
Best regards,
Felix
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