On 10/21/2014 12:36 AM, Nux! wrote:
> Wido,
> 
> Alas DEBUG is on without telling me anything I can understand. Here's some 
> more:
> 
> http://pastebin.com/raw.php?i=cYf8g5tg
> 

So this is the issue:

2014-10-20 23:24:27,323 DEBUG [cloud.agent.Agent]
(agentRequest-Handler-1:null) Seq 1-1609755391808241885:  { Ans: ,
MgmtId: 270567360573239, via: 1, Ver: v1, Flags: 10,
[{"com.cloud.agent.api.Answer":{"result":false,"details":"No enum
constant
com.cloud.hypervisor.kvm.resource.LibvirtVMDef.DiskDef.diskCacheMode.none","wait":0}},{"com.cloud.agent.api.Answer":{"result":false,"details":"Stopped
by previous failure","wait":0}}] }

That should be fixed in 4.4.1

By this commit:
https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;a=commitdiff;h=eeac81838fcc3c53d2115074c8141c9411d3ef4c

Just upgrading the agent to 4.4.1 is enough, the mgmt server can still
run 4.4.0

Wido

> --
> Sent from the Delta quadrant using Borg technology!
> 
> Nux!
> www.nux.ro
> 
> ----- Original Message -----
>> From: "Wido den Hollander" <w...@widodh.nl>
>> To: dev@cloudstack.apache.org
>> Sent: Monday, 20 October, 2014 23:29:04
>> Subject: Re: failed 430-440 upgrade: Unable to start instance due to Unable 
>> to get answer that is of class
>> com.cloud.agent.api.StartAnswer
> 
>> On 10/21/2014 12:25 AM, Nux! wrote:
>>> Hi guys,
>>>
>>> I've followed the 4.3.x to 4.4.0 upgrade instruction to the letter and it 
>>> has
>>> worked, except the last step which failed to restart my system VMs. Now I'm 
>>> on
>>> 4.4.0 without any system VMs; they are stuck in a creation loop which never
>>> succeeds. Relevant management log:
>>>
>>> Job failed due to exception Resource [Host:1] is unreachable: Host 1: 
>>> Unable to
>>> start instance due to Unable to get answer that is of class
>>> com.cloud.agent.api.StartAnswer
>>> http://pastebin.com/raw.php?i=k6WksLcU
>>>
>>> And on the agent:
>>>
>>> 2014-10-20 23:10:57,369 DEBUG [cloud.agent.Agent] 
>>> (agentRequest-Handler-5:null)
>>> Processing command: com.cloud.agent.api.StopCommand
>>> 2014-10-20 23:10:57,371 DEBUG [kvm.resource.LibvirtConnection]
>>> (agentRequest-Handler-5:null) can't find connection: KVM, for vm: v-439-VM,
>>> continue
>>> 2014-10-20 23:10:57,372 DEBUG [kvm.resource.LibvirtConnection]
>>> (agentRequest-Handler-5:null) can't find connection: LXC, for vm: v-439-VM,
>>> continue
>>> 2014-10-20 23:10:57,372 DEBUG [kvm.resource.LibvirtConnection]
>>> (agentRequest-Handler-5:null) can't find which hypervisor the vm used , then
>>> use the default hypervisor
>>> 2014-10-20 23:10:57,374 DEBUG [kvm.resource.LibvirtComputingResource]
>>> (agentRequest-Handler-5:null) Failed to get dom xml:
>>> org.libvirt.LibvirtException: Domain not found: no domain with matching name
>>> 'v-439-VM'
>>> 2014-10-20 23:10:57,375 DEBUG [kvm.resource.LibvirtComputingResource]
>>> (agentRequest-Handler-5:null) Failed to get dom xml:
>>> org.libvirt.LibvirtException: Domain not found: no domain with matching name
>>> 'v-439-VM'
>>> 2014-10-20 23:10:57,377 DEBUG [kvm.resource.LibvirtComputingResource]
>>> (agentRequest-Handler-5:null) Failed to get dom xml:
>>> org.libvirt.LibvirtException: Domain not found: no domain with matching name
>>> 'v-439-VM'
>>>
>>> And this goes on and on.
>>>
>>> Any ideas?
>>>
>>
>> Is all the logging on DEBUG on the Agent? there has to be more
>> information in the logfile telling you what is going on exactly.
>>
>> Wido
>>
>>> Lucian
>>>
>>>
>>> --
>>> Sent from the Delta quadrant using Borg technology!
>>>
>>> Nux!
>>> www.nux.ro

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