[libvirt] RFC: libvirt java bindings based on JNA
Bryan Kearney
bkearney at redhat.com
Wed Jul 29 11:49:45 UTC 2009
Thomas Treutner wrote:
> On Tuesday 28 July 2009 14:42:42 Bryan Kearney wrote:
>> Thomas Treutner wrote:
>>> When using it with my tiny test application (which works fine with the
>>> JNI version), it first complains that /etc/pki/CA/cacert.pem can not be
>>> found. As I installed libvirt from source, it's in /usr/local/...,
>>> working fine with JNI. So I did a symlink workaround for now.
>> Where did you see this complaint? Also.. what is your LD_LIBRARY_PATH
>> set to when running this.
>
> The file not found was cacert.pem, not the *.so - so I don't think
> LD_LIBRARY_PATH matters here?
>
> Anyways, the problem about
>
> conn = new Connect("xen://node02", false);
>
> was my fault - I forgot wiping an old apt-installed version of libvirt before
> compiling libvirt-java-jna. It works now, but there seems to be a massive
> typo somewhere; when I start my small application, it can't
> find "liblibvirt.so" (sic!) and exits.
Really.. can you send me the output? What version of jna do you have?
>
> # find /usr -name "libvirt.so*"
> /usr/local/lib/libvirt.so.0.6.5
> /usr/local/lib/libvirt.so.0
> /usr/local/lib/libvirt.so
>
> (ld cache is up to date, checked /etc/ld.so.cache)
>
>
> # ln -s /usr/local/lib/libvirt.so /usr/local/lib/liblibvirt.so
> # ldconfig
>
> ...and it works! ;-)
>
>>> When I use the test class (directly on a node where libvirtd is running,
>>> or remote, it doesn't matter), connections to the test driver are
>>> refused, although some test information seems to be gathered, and
>>> connecting with virsh works perfectly:
>> Acutally.. this is bad output. I bet I left the call with the
>> defaultAuth in there. Can you verify that there are 2 open calls in the
>> code I sent?
>
> This here?
>
> ...
> //For testing the authentication
> ConnectAuth defaultAuth = new ConnectAuthDefault();
>
> try{
> conn = new Connect("test+tcp://localhost/default", defaultAuth, 0);
> ....
>
Yes.. this was causing hte failure.. if you comment this out (I am still
debugging this) you should see it run with no failures.
-- bk
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