[Engine-devel] NPE during addStorageServer command

Yair Zaslavsky yzaslavs at redhat.com
Thu Feb 7 04:38:58 UTC 2013


----- Original Message -----

> From: "Sahina Bose" <sabose at redhat.com>
> To: engine-devel at ovirt.org
> Sent: Thursday, February 7, 2013 6:32:39 AM
> Subject: Re: [Engine-devel] NPE during addStorageServer command

> On 02/06/2013 05:36 PM, Shireesh Anjal wrote:

> > On 02/06/2013 04:55 PM, Sahina Bose wrote:
> 

> > > Looking at the code, it looks like you need a Storage helper
> > > called
> > > GLUSTERFSStorageHelper in package
> > > org.ovirt.engine.core.bll.storage.
> > 
> 
> > Which is introduced by Sharad's this patch:
> > http://gerrit.ovirt.org/8834
> 
> > I guess you don't have this patch in your local repository.
> 

> In this patch, you will need to rename the file as it's case
> sensitive on linux- GlusterFsStorageHelper should be
> GLUSTERFSStorageHelper.ks Sa
> Thanks Sahina

> Good Comment, I added it to the patch review

> Hope this helps,
> cheers
> sahina

> > > The NPE seems to be because the Storage helper is null for the
> > > storage type.
> > 
> 

> > > On 02/06/2013 04:42 PM, Deepak C Shetty wrote:
> > 
> 

> > > > Hi All,
> > > 
> > 
> 
> > > > I am trying to compile ovirt engine after applying sharad's
> > > > glusterfs
> > > > domain support patches @
> > > 
> > 
> 
> > > > http://gerrit.ovirt.org/#/q/project:ovirt-engine+branch:master+topic:glusterfs,n,z
> > > 
> > 
> 

> > > > After compiling, deploying the engine ( by following the steps
> > > > in
> > > > wiki.ovirt.org/Building_Ovirt_Engine )
> > > 
> > 
> 
> > > > I connect to the weadmin GUI, add a VDSM host ( this is my own
> > > > vdsm
> > > > host with VDSM glsuter domain support ) and the host is "Up"
> > > > state.
> > > 
> > 
> 

> > > > Then I select New SD->None in DC -> select my vdsm
> > > > host->provide
> > > > the
> > > > args (remote path = volfileserver:volume, vfstype=glusterfs,
> > > > mount
> > > > => left blank) and click on OK
> > > 
> > 
> 

> > > > I see NPE in the engine side during addStorageServer cmd ( IIUC
> > > > )
> > > > and
> > > > then engine tries to send disconnectStorageServer, which
> > > > reaches
> > > > my
> > > > VDSM host and it throws a excp, since the domain is not mounted
> > > > at
> > > > all.
> > > 
> > 
> 

> > > > I have captured the logs on the engien and vdsm side and
> > > > attached
> > > > here.
> > > 
> > 
> 

> > > > I am looking for some help on why the NPE is being seen on the
> > > > engien
> > > > side during adding a new SD ?
> > > 
> > 
> 

> > > > thanx,
> > > 
> > 
> 
> > > > deepak
> > > 
> > 
> 

> > > > _______________________________________________
> > > 
> > 
> 
> > > > Engine-devel mailing list Engine-devel at ovirt.org
> > > > http://lists.ovirt.org/mailman/listinfo/engine-devel
> > > 
> > 
> 
> > > _______________________________________________
> > 
> 
> > > Engine-devel mailing list Engine-devel at ovirt.org
> > > http://lists.ovirt.org/mailman/listinfo/engine-devel
> > 
> 
> > _______________________________________________
> 
> > Engine-devel mailing list Engine-devel at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/engine-devel
> 
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