Snapshot kvm 3.0.2

2012-06-05 19:15:52,853 DEBUG [cloud.agent.Agent] (agentRequest-Handler-2:null) Request:Seq 34-77010656:  { Cmd , MgmtId: 207382744522, via: 34, Ver: v1, Flags: 100011, [{"BackupSnapshotCommand":{"prevSnapshotUuid":"/var/lib/libvirt/images/4341f531-bef6-47b6-ae75-2b8d6de63038/i-8-403-VM_ROOT-403_20120605164038","prevBackupUuid":"/snapshots/5/8/442/i-8-403-VM_ROOT-403_20120605164038","isVolumeInactive":false,"vmName":"i-8-403-VM","snapshotId":1746,"pool":{"id":208,"uuid":"c6f1f032-5aad-4983-bc83-0ec1a6b5e32c","host":"X.X.X.X","path":"/var/lib/libvirt/images/","port":0,"type":"Filesystem"},"primaryStoragePoolNameLabel":"c6f1f032-5aad-4983-bc83-0ec1a6b5e32c","snapshotUuid":"/var/lib/libvirt/images/4341f531-bef6-47b6-ae75-2b8d6de63038/i-8-403-VM_ROOT-403_20120605170902","snapshotName":"i-8-403-VM_ROOT-403_20120605170902","secondaryStorageUrl":"nfs://NFS.DOMAIN.COM/opt/secondary","dcId":5,"accountId":8,"volumeId":442,"volumePath":"4341f531-bef6-47b6-ae75-2b8d6de63038","wait":10800}}] }
2012-06-05 19:15:52,853 DEBUG [cloud.agent.Agent] (agentRequest-Handler-2:null) Processing command: com.cloud.agent.api.BackupSnapshotCommand
2012-06-05 19:15:52,858 DEBUG [agent.storage.LibvirtStorageAdaptor] (agentRequest-Handler-2:null) <pool type='netfs'>
<name>304424d9-db34-40d9-b0a7-3bd689b0b862</name>
<uuid>304424d9-db34-40d9-b0a7-3bd689b0b862</uuid>
<source>
<host name='NFS.DOMAIN.COM'/>
<dir path='/opt/secondary'/>
</source>
<target>
<path>/mnt/304424d9-db34-40d9-b0a7-3bd689b0b862</path>
</target>
</pool>

2012-06-05 19:15:53,558 DEBUG [agent.storage.LibvirtStorageAdaptor] (agentRequest-Handler-2:null) org.libvirt.LibvirtException: cannot open volume '/mnt/304424d9-db34-40d9-b0a7-3bd689b0b862/template': Is a directory
2012-06-05 19:15:53,560 WARN  [cloud.agent.Agent] (agentRequest-Handler-2:null) Caught:
java.lang.NullPointerException
    at com.cloud.agent.storage.LibvirtStorageAdaptor.createStoragePool(LibvirtStorageAdaptor.java:504)
    at com.cloud.agent.storage.LibvirtStorageAdaptor.getStoragePoolByUri(LibvirtStorageAdaptor.java:717)
    at com.cloud.agent.storage.LibvirtStorageAdaptor.getStoragePoolByUri(LibvirtStorageAdaptor.java:655)
    at com.cloud.agent.storage.KVMStoragePoolManager.getStoragePoolByURI(KVMStoragePoolManager.java:48)
    at com.cloud.agent.resource.computing.LibvirtComputingResource.execute(LibvirtComputingResource.java:1353)
    at com.cloud.agent.resource.computing.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:967)
    at com.cloud.agent.Agent.processRequest(Agent.java:517)
    at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:827)
    at com.cloud.utils.nio.Task.run(Task.java:79)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
    at java.lang.Thread.run(Thread.java:679)
2012-06-05 19:15:53,561 DEBUG [cloud.agent.Agent] (agentRequest-Handler-2:null) Seq 34-77010656:  { Ans: , MgmtId: 207382744522, via: 34, Ver: v1, Flags: 10, [{"Answer":{"result":false,"details":"java.lang.NullPointerException\n\tat com.cloud.agent.storage.LibvirtStorageAdaptor.createStoragePool(LibvirtStorageAdaptor.java:504)\n\tat com.cloud.agent.storage.LibvirtStorageAdaptor.getStoragePoolByUri(LibvirtStorageAdaptor.java:717)\n\tat com.cloud.agent.storage.LibvirtStorageAdaptor.getStoragePoolByUri(LibvirtStorageAdaptor.java:655)\n\tat com.cloud.agent.storage.KVMStoragePoolManager.getStoragePoolByURI(KVMStoragePoolManager.java:48)\n\tat com.cloud.agent.resource.computing.LibvirtComputingResource.execute(LibvirtComputingResource.java:1353)\n\tat com.cloud.agent.resource.computing.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:967)\n\tat com.cloud.agent.Agent.processRequest(Agent.java:517)\n\tat com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:827)\n\tat com.cloud.utils.nio.Task.run(Task.java:79)\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)\n\tat java.lang.Thread.run(Thread.java:679)\n","wait":0}}] }