<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Yes it works. No longer any NPE when I invoke getSchedulerParameters() on a Xen domain: I can retrieve both the scheduling cap and weight.</div><div>I guess the problem pops up only when there are more than 1 sched parameter to return with the unmarshalling of the second one going wrong.</div><div><br></div><div>Frederic</div><br><div><div>On Jan 29, 2010, at 2:56 PM, Bryan Kearney wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>I posted a patched jar file at:<br><br><a href="http://bkearney.fedorapeople.org/libvirt-0.4.1-PATCH.jar">http://bkearney.fedorapeople.org/libvirt-0.4.1-PATCH.jar</a><br><br>The only change was making the struct into a union per your comments. Can you let me now if this solves you NPE? It passes my tests.<br><br>-- bk<br><br>On 01/27/2010 08:40 PM, Bryan Kearney wrote:<br><blockquote type="cite">Alright.. let me give it a try. I was not seeing the NPE in the tests I<br></blockquote><blockquote type="cite">ran.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">-- bk<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">On 01/25/2010 01:15 PM, frederic.dangtran@orange-ftgroup.com wrote:<br></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">On Jan 18, 2010, at 3:44 PM, Bryan Kearney wrote:<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">I have just released 0.4.1 of libvirt java. There are 2 main items in<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">this release:<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">- Better null checking in for Scheduled Parameters which should fix<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">the issues reported on the list.<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">- Error Callbacks to provide better handling of errors encountered by<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">libvirt (virConnSetErrorFunc and virSetErrorFunc).<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">You can access the latest version via the following means:<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">Source Code: http://www.libvirt.org/git/?p=libvirt-java.git;a=summary<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">Bundled Source (tarball and SRPM): http://libvirt.org/sources/java/<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">Maven: http://libvirt.org/maven2/<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">RPMS are making their way through F-11 and F12 build systems<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">Thank you!<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">-- bk<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">--<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">libvir-list mailing list<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">libvir-list@redhat.com <mailto:libvir-list@redhat.com><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">https://www.redhat.com/mailman/listinfo/libvir-list<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Thanks for the update, Bryan, but the problem still persists. In my<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">setup (Xen hosts): Domain.getSchedulerParameters() still raises a NPE.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">In libvirt.h, _virSchedParameter is defined as follows using a union for<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">the value:<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">struct _virSchedParameter {<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">char field[VIR_DOMAIN_SCHED_FIELD_LENGTH]; /* parameter name */<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">int type; /* parameter type */<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">union {<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">int i; /* data for integer case */<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">unsigned int ui; /* data for unsigned integer case */<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">long long int l; /* data for long long integer case */<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">unsigned long long int ul; /* data for unsigned long long integer case */<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">double d; /* data for double case */<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">char b; /* data for char case */<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">} value; /* parameter value */<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">};<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">I believe the Java mapping of virSchedParameterValue should be a Union<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">instead of a Structure:<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">public class virSchedParameterValue extends Union {...}<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Regards,<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Frederic<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">------------------<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Orange Labs<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">38-40 rue du General Leclerc<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">92794 Issy Moulineaux Cedex 9<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">FRANCE<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">*********************************<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">This message and any attachments (the "message") are confidential and<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">intended solely for the addressees.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Any unauthorised use or dissemination is prohibited.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Messages are susceptible to alteration.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">France Telecom Group shall not be liable for the message if altered,<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">changed or falsified.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">If you are not the intended addressee of this message, please cancel<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">it immediately and inform the sender.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">********************************<br></blockquote></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">--<br></blockquote><blockquote type="cite">libvir-list mailing list<br></blockquote><blockquote type="cite">libvir-list@redhat.com<br></blockquote><blockquote type="cite">https://www.redhat.com/mailman/listinfo/libvir-list<br></blockquote><br></div></blockquote></div><br><div> <span class="Apple-style-span" style="border-collapse: separate; 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