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Subject: Re: [GSOC] NullPointerException when deployVM using GRE isolation
 method. Help me!
From: Sebastien Goasguen <runseb@gmail.com>
In-Reply-To: 
 <CA+PKkn3pu0-9QATYqK8cNWL3qiEvgcBKCKL4du6+uYDALPmArw@mail.gmail.com>
Date: Mon, 10 Jun 2013 14:33:08 -0400
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References: 
 <CA+PKkn3pu0-9QATYqK8cNWL3qiEvgcBKCKL4du6+uYDALPmArw@mail.gmail.com>
To: dev@cloudstack.apache.org,
 Chiradeep Vittal <chiradeep.vittal@citrix.com>
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On Jun 10, 2013, at 10:17 AM, Nguyen Anh Tu <ng.tuna@gmail.com> wrote:

> Hi forks,
>=20

I think we say "folks" but that's not solving the NPE error.

I cc Chiradeep who might have some insight here.

-sebastien

> I'm trying OVS tunnel with XCP 1.6 and get error NullPointerException =
when
> executing deployVM.
>=20
> I found this error starting from the below code.
>=20
> *NetworkManagerImpl.java*
>=20
> *NicProfile profile =3D guru.allocate(network, requested, vm);     =
(1)*
>        if (isDefaultNic !=3D null) {
>            profile.setDefaultNic(
> isDefaultNic);
>        }
>=20
> *ExtenalGuestNetworkGuru.java*
>=20
>    @Override
>   * public NicProfile allocate(Network config, NicProfile nic,
> VirtualMachineProfile<? extends VirtualMachine> vm) throws
> InsufficientVirtualNetworkCapcityException,
>            InsufficientAddressCapacityException* {
>=20
>        if
> =
(_networkModel.networkIsConfiguredForExternalNetworking(config.getDataCent=
erId(),
> config.getId()) && nic !=3D null && nic.getRequestedIpv4() !=3D null) =
{
>            throw new CloudRuntimeException("Does not support custom ip
> allocation at this time: " + nic);
>        }
>=20
>        NicProfile profile =3D super.allocate(config, nic, vm);
>=20
>        *boolean _isEnabled =3D
> =
Boolean.parseBoolean(_configDao.getValue(Config.OvsTunnelNetwork.key()));
> (2)
>        if (_isEnabled) {
>            return null;
>        }*
>=20
>        if
> =
(_networkModel.networkIsConfiguredForExternalNetworking(config.getDataCent=
erId(),
> config.getId())) {
>            profile.setStrategy(ReservationStrategy.Start);
>            /* We won't clear IP address, because router may set =
gateway as
> it IP, and it would be updated properly later */
>            //profile.setIp4Address(null);
>            profile.setGateway(null);
>            profile.setNetmask(null);
>        }
>=20
>        return profile;
>    }*
>=20
> *
> The return from (1) is NULL, because at (2) *sdn.ovs.controller* set =
to
> true. So profile =3D NULL and then we get NullPointerException error =
in the
> next step.
>=20
> This error prevents me to deployVM using GRE isolation method. If I =
set *
> sdn.ovs.controller* =3D false, no error anymore but can't using GRE.
>=20
> How can I fix this? Thanks for any help.
>=20
> --=20
>=20
> N.g.U.y.e.N.A.n.H.t.U