[libvirt] RFC: libvirt java bindings based on JNA

Thomas Treutner thomas at scripty.at
Thu Jul 30 13:17:39 UTC 2009


On Thursday 30 July 2009 13:57:44 Thomas Treutner wrote:
> On Thursday 30 July 2009 03:30:20 Bryan Kearney wrote:
> > Can you try the new release? It is cleaned up.. and should be easier to
> > consume. Let me know if there are issues.
>
> Thanks, works fine so far (liblibvirt.so issue is gone).

Sorry for the mixup, but I wasn't using the new version, Eclipse was 
accidentially configured for JNI version. It still doesn't work, so I looked 
in the code and did a quick experiment:


src/main/java/org/libvirt/jna/Libvirt.java:23:
-Libvirt INSTANCE = (Libvirt) Native.loadLibrary("libvirt", Libvirt.class);
+Libvirt INSTANCE = (Libvirt) Native.loadLibrary("virt", Libvirt.class);


and it works (without any symlinks hacks, of course). I don't have any 
experience with JNA, but I assume that somewhere a "lib" is being prepended 
and therefore "libvirt" is over-specified. 

What I still don't understand is my it is presumably working for you, and not 
for me:

JNA 3.2.1

$ java -version                                                      
java version "1.6.0_14"
Java(TM) SE Runtime Environment (build 1.6.0_14-b08)
Java HotSpot(TM) 64-Bit Server VM (build 14.0-b16, mixed mode)
$ javac -version                                                     
javac 1.6.0_14

btw, I don't see a JNA-branch in git://libvirt.org/libvirt-java.git anymore - 
is JNI-version now obsolete?


kr,
thomas




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