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HypervisorUnavailable: Connection to the hypervisor is broken on host

After finishing nova compute node installation, final step run 'service nova-compute restart' and get following message, any suggestion?

  1. nova-compute.log

    raise exception.HypervisorUnavailable(host=CONF.host) HypervisorUnavailable: Connection to the hypervisor is broken on host: ubuntu127.thinker.cn

  2. nova-compute.conf

    [DEFAULT] compute_driver=libvirt.LibvirtDriver

    [libvirt] virt_type=kvm

  3. nova.conf (nova compute node)

    [DEFAULT] dhcpbridge_flagfile=/etc/nova/nova.conf dhcpbridge=/usr/bin/nova-dhcpbridge logdir=/var/log/nova state_path=/var/lib/nova force_dhcp_release=True libvirt_use_virtio_for_bridges=True verbose=True ec2_private_dns_show_ip=True api_paste_config=/etc/nova/api-paste.ini enabled_apis=ec2,osapi_compute,metadata rpc_backend = rabbit auth_strategy = keystone my_ip = 114.X.X.127 vncserver_listen = 0.0.0.0 vncserver_proxyclient_address = 114.X.X.127 vnc_enabled = True novncproxy_base_url = http://ubuntu126.thinker.cn:6080/vnc_auto.html

    [oslo_messaging_rabbit] rabbit_host = ubuntu126.thinker.cn rabbit_userid = openstack rabbit_password = mypasswd

    [keystone_authtoken] auth_uri = http://ubuntu126.thinker.cn:5000 auth_url = http://ubuntu126.thinker.cn:35357 auth_plugin = password project_domain_id = default user_domain_id = default project_name = service username = nova password = mypasswd

    [glance] host = ubuntu126.thinker.cn

    [oslo_concurrency] lock_path = /var/lib/nova/tmp

HypervisorUnavailable: Connection to the hypervisor is broken on host

After finishing nova compute node installation, final step run 'service nova-compute restart' and get following message, any suggestion?

  1. nova-compute.log

     1. nova-compute.log
    
        raise exception.HypervisorUnavailable(host=CONF.host)
     HypervisorUnavailable: Connection to the hypervisor is broken on host: ubuntu127.thinker.cn

  2. nova-compute.conf

    ubuntu127.thinker.cn 2. nova-compute.conf [DEFAULT] compute_driver=libvirt.LibvirtDriver

    compute_driver=libvirt.LibvirtDriver [libvirt] virt_type=kvm

  3. virt_type=kvm 3. nova.conf (nova compute node)

    node) [DEFAULT] dhcpbridge_flagfile=/etc/nova/nova.conf dhcpbridge=/usr/bin/nova-dhcpbridge logdir=/var/log/nova state_path=/var/lib/nova force_dhcp_release=True libvirt_use_virtio_for_bridges=True verbose=True ec2_private_dns_show_ip=True api_paste_config=/etc/nova/api-paste.ini enabled_apis=ec2,osapi_compute,metadata rpc_backend = rabbit auth_strategy = keystone my_ip = 114.X.X.127 vncserver_listen = 0.0.0.0 vncserver_proxyclient_address = 114.X.X.127 vnc_enabled = True novncproxy_base_url = http://ubuntu126.thinker.cn:6080/vnc_auto.html

    http://ubuntu126.thinker.cn:6080/vnc_auto.html [oslo_messaging_rabbit] rabbit_host = ubuntu126.thinker.cn rabbit_userid = openstack rabbit_password = mypasswd

    mypasswd [keystone_authtoken] auth_uri = http://ubuntu126.thinker.cn:5000 auth_url = http://ubuntu126.thinker.cn:35357 auth_plugin = password project_domain_id = default user_domain_id = default project_name = service username = nova password = mypasswd

    mypasswd [glance] host = ubuntu126.thinker.cn

    ubuntu126.thinker.cn [oslo_concurrency] lock_path = /var/lib/nova/tmp

/var/lib/nova/tmp