GitHub user nemethga created a discussion: VM migration from vmware to kvm
failed.
We have ACS 4.22 environment with KVM and we are testing VM conversion from
vmware to acs. Test VM is stopped OL8 linux. The following error occurred
during migration. The error is from KVM cloudstack agent log. Where could the
problem be? Vcenter is available.
- Where can I find a more detailed description of the functionality of
individual parts of the migration tool?
- What should be the correct settings on the vcenter side?
- What services must be running on vcenter?
- I found out that the error could be related to the running of the vmware-sps
service on the server?
Thanks for your help
2026-03-24 14:03:52,798 INFO
[resource.wrapper.LibvirtConvertInstanceCommandWrapper] (Script-7:[]) (logid:)
((test-vm-01) export ovf) Error: Internal error: Failed to connect to remote
host [vc01.testdomain.sk due to [No version for VMODL calls to <<<cs
p:000055dee12710b0, TCP:vc01.testdomain.sk:443> >, /sdk>]
2026-03-24 14:03:52,800 INFO
[resource.wrapper.LibvirtConvertInstanceCommandWrapper] (Script-7:[]) (logid:)
((doval-export-test) export ovf) Completed with errors
2026-03-24 14:03:52,809 WARN
[resource.wrapper.LibvirtConvertInstanceCommandWrapper]
(AgentRequest-Handler-4:[]) (logid:36eb933c) Execution of process [3172099] for
command [ovftool --noSSLVerify vi://**
****@vc01.testdomain.sk:443/PosAm DC/vm/Development/_noBCK/test-vm-01
/mnt/769229c1-29e0-3ff9-a668-97167bb64eee/14837b91-e991-4657-800c-3b585a149f32/
] failed.
2026-03-24 14:03:52,809 WARN
[resource.wrapper.LibvirtConvertInstanceCommandWrapper]
(AgentRequest-Handler-4:[]) (logid:36eb933c) Exception [Stream closed] occurred
when attempting to run command [ovftoo
l --noSSLVerify vi://******@vc01.testdomain.sk:443/PosAm
DC/vm/Development/_noBCK/test-vm-01
/mnt/769229c1-29e0-3ff9-a668-97167bb64eee/14837b91-e991-4657-800c-3b585a149f32/
]. java.io.IOException: St
ream closed
at
java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at
java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:287)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:330)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:190)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at
com.cloud.utils.script.OutputInterpreter.processError(OutputInterpreter.java:41)
at com.cloud.utils.script.Script.execute(Script.java:336)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtConvertInstanceCommandWrapper.exportOVAFromVMOnVcenter(LibvirtConvertInstanceCommandWrapper.java:220)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtConvertInstanceCommandWrapper.execute(LibvirtConvertInstanceCommandWrapper.java:104)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtConvertInstanceCommandWrapper.execute(LibvirtConvertInstanceCommandWrapper.java:47)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtRequestWrapper.execute(LibvirtRequestWrapper.java:78)
at
com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:2280)
at com.cloud.agent.Agent.processRequest(Agent.java:813)
at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:1295)
at com.cloud.utils.nio.Task.call(Task.java:83)
at com.cloud.utils.nio.Task.call(Task.java:29)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:840)
2026-03-24 14:03:52,810 ERROR
[resource.wrapper.LibvirtConvertInstanceCommandWrapper]
(AgentRequest-Handler-4:[]) (logid:36eb933c) (test-vm-01) Export OVA for the VM
test-vm-01 failed
GitHub link: https://github.com/apache/cloudstack/discussions/12888
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