virt-install error: "virDomainLookupByName() failed got unknown HTTP error code 400"

[Graeme West <graeme.west@xxxxxxxxxx>]

Hi there,

I've been happily installing VMs in CentOS 5.2's Xen implementation using virt-manager. However, my latest attempt to use the install wizard in virt-manager failed when I got to the networking screen. The 'forward' button was unresponsive, and I was unable to proceed. I checked the virt-manager logs, and saw this appearing immediately after I tried to proceed:

/root/.virt-manager/virt-manager.log:

[Tue, 05 Aug 2008 16:16:53 virt-manager 20637] ERROR (virt-manager:132) Traceback (most recent call last):

  File "/usr/share/virt-manager/virtManager/create.py", line 294, in forward

    if(self.validate(notebook.get_current_page()) != True):

  File "/usr/share/virt-manager/virtManager/create.py", line 974, in validate

    vm = self.connection.vmm.lookupByName(name)

  File "/usr/lib64/python2.4/site-packages/libvirt.py", line 646, in lookupByName

    if ret is None:raise libvirtError('virDomainLookupByName() failed', conn=self)

libvirtError: virDomainLookupByName() failed got unknown HTTP error code 400

None

There was also a lot of this in the main system log (1-2 messages per second):

[Tue, 05 Aug 2008 16:16:53 virt-manager 20637] DEBUG (connection:580) Couldn't fetch domain id 3; it probably went away

So I tried to use virt-install on the shell instead, but got much the same error:

[root@optimus swadmin]# virt-install --hvm --name=zurich.gcal.ac.uk --ram=2048 --file=/var/lib/xen/images/zurich.gcal.ac.uk.img --vnc --vcpus=2 --cdrom=/home/swadmin/software/OpenSolaris/sol-nv-b93-x86-dvd.iso --network=bridge:xenbr0

Starting install...

virDomainLookupByName() failed got unknown HTTP error code 400

Domain installation may not have been

 successful.  If it was, you can restart your domain

 by running 'virsh start zurich.gcal.ac.uk'; otherwise, please

 restart your installation.

Tue, 05 Aug 2008 17:30:18 ERROR    virDomainLookupByName() failed got unknown HTTP error code 400

Traceback (most recent call last):

  File "/usr/bin/virt-install", line 502, in ?

    main()

  File "/usr/bin/virt-install", line 462, in main

    dom = guest.start_install(conscb,progresscb)

  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 813, in start_install

    return self._do_install(consolecb, meter)

  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 829, in _do_install

    self._create_devices(meter)

  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 727, in _create_devices

    nic.setup(self.conn)

  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 287, in setup

    vm = conn.lookupByName(name)

  File "/usr/lib64/python2.4/site-packages/libvirt.py", line 646, in lookupByName

    if ret is None:raise libvirtError('virDomainLookupByName() failed', conn=self)

libvirtError: virDomainLookupByName() failed got unknown HTTP error code 400

It suggests I try to start the domain anyway, but it hasn't been created:

[root@optimus swadmin]# virsh start zurich.gcal.ac.uk

libvir: Xen error : Domain not found: xenUnifiedDomainLookupByName

error: failed to get domain 'zurich.gcal.ac.uk'

Any ideas would be much appreciated.

Thanks,

Graeme West

Glasgow Caledonian University is a registered Scottish charity, number SC021474

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