Hi Nischal,

Thanks for your reply. Here I am creating new network while deploying vm
from instance wizard and during this process i am getting the error.

Thanks,
Sai



On Sun, May 18, 2025, 10:49 PM Nischal P <nischalnisc...@gmail.com> wrote:

> Hi Sai,
>
> It looks like the Virtual router that is responsible for the network is not
> reachable or is not up, you could Restart the network with Clean up option
> and then try to deploy the VM again, it should help this time.
>
>
> Thanks & Regards
> Nischal
>
> On Mon, May 19, 2025 at 2:49 AM sai <sai.kr...@gmail.com> wrote:
>
> > Hi All,
> >
> > I am unable to launch vm in 4.19 KVM environment and I am unable to
> figure
> > it out what is happening. can anyone please help me on how to debug
> further
> > I am attaching the logs.
> >
> >  WARN [c.c.v.VirtualMachineManagerImpl] (Work-Job-Executor-1:ctx-45e0fc9a
> > job-15086/job-15087 ctx-9f69223c) (logid:91aabb82) Unable to contact
> > resource.
> >
> > com.cloud.exception.ResourceUnavailableException: Resource [DataCenter:1]
> > is unreachable: Unable to apply dhcp entry on router
> >
> > at
> >
> >
> org.apache.cloudstack.network.topology.BasicNetworkTopology.applyRules(BasicNetworkTopology.java:402)
> >
> > at
> >
> >
> org.apache.cloudstack.network.topology.AdvancedNetworkTopology.applyDhcpEntry(AdvancedNetworkTopology.java:172)
> >
> > at
> >
> >
> com.cloud.network.element.VirtualRouterElement.applyDhcpEntries(VirtualRouterElement.java:1080)
> >
> > at
> >
> >
> com.cloud.network.element.VirtualRouterElement.addDhcpEntry(VirtualRouterElement.java:1048)
> >
> > at
> >
> >
> org.apache.cloudstack.engine.orchestration.NetworkOrchestrator.prepareElement(NetworkOrchestrator.java:1780)
> >
> > at
> >
> >
> org.apache.cloudstack.engine.orchestration.NetworkOrchestrator.prepareNic(NetworkOrchestrator.java:2138)
> >
> > at
> >
> >
> org.apache.cloudstack.engine.orchestration.NetworkOrchestrator.prepare(NetworkOrchestrator.java:2065)
> >
> > at com.cloud.vm.VirtualMachineManagerImpl
> >
> >
> > DEBUG [c.c.a.t.Request] (AgentManager-Handler-4:null) (logid:) Seq
> > 19-9026621028456345: Processing: { Ans: , MgmtId: 3450513456, via: 19,
> Ver:
> > v1, Flags: 10,
> > [{"com.cloud.agent.api.routing.GroupAnswer":{"results":["null - success:
> > Creating file in VR, with ip: 169.254.3.127, file:
> > vm_dhcp_entry.json.ab381cdc-4564-4203-b770-5a39c456","null - failed:
> > java.io.IOException: Stream closed
> >
> > at
> > java.base/java.io
> > .BufferedInputStream.getBufIfOpen(BufferedInputStream.java:176)
> >
> > at java.base/java.io
> > .BufferedInputStream.read(BufferedInputStream.java:342)
> >
> > at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:295)
> >
> > at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:337)
> >
> > at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:179)
> >
> >  at java.base/java.io.InputStreamReader.read(InputStreamReader.java:181)
> >
> >
> > Thanks in advance.
> >
> > Regards,
> >
> > sai
> >
>

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