[Xen-cim] Null pointer exception

["Subrahmanian, Raj" <raj.subrahmanian@xxxxxxxxxx>]

Jim
I think I understand why I am getting the null pointer exception. 
The VSManagement service parses the Virtual Systems Setting Data, in the
function vssd2xenconfig. 
When it looks for some property value like so
propertyvalue = CMGetProperty(vssd, "OnReboot", status)
And that property value does not exist, I am getting an error like this.
RequestHandlerIFCXML::doProcess caught
Exception:OW_COWIntrusiveReference.cpp: 62
NULLCOWIntrusiveReferenceException: NULL COWReference dereferenced
Clearly this shouldn't be happening. 
Any idea how I can debug this?
Raj


 

> -----Original Message-----
> From: Jim Fehlig [mailto:jfehlig@xxxxxxxxxx] 
> Sent: Friday, March 02, 2007 12:18 PM
> To: Subrahmanian, Raj
> Cc: xen-cim@xxxxxxxxxxxxxxxxxxx
> Subject: Re: Pywbem script
> 
> Subrahmanian, Raj wrote:
> > Jim
> > Could you shoot over the latest script you are using to create vms? 
> > There is this strange null pointer exception I am trying to 
> hunt down.
> > Thanks
> >   
> 
> Some example python script attached.  Very minimal.  Would be 
> nice to expand on it and add to repo.  Pywbem documentation: 
> http://pywbem.sourceforge.net/documentation.shtml
> 
> For DefineSystem, I have a collection of "cimxml conf files'. 
>  I've attached example PV and HVM one I'm currently using.  
> Tweak them as necessary and use the fakeclient program I sent 
> invoke DefineSystem on target node.
> 
> Jim
> 
> > Raj
> >   
> 

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