GitHub user KuasarCloud added a comment to the discussion: Recurring error in
the VR Router in ACS 4.20.1
These are the logs in the KVM Cloudstack Agent
```
2025-07-17 15:45:00,070 WARN [kvm.resource.LibvirtComputingResource]
(AgentRequest-Handler-3:[]) (logid:) Exception [Stream closed] occurred when
attempting to run command
[/usr/share/cloudstack-common/scripts/network/domr/router_proxy.sh
update_config.py 169.254.57.165
vm_dhcp_entry.json.a30c8e69-a429-472f-8991-605b1ede4a9c ]. java.io.IOException:
Stream 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:305)
at
com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeInVR(LibvirtComputingResource.java:562)
at
com.cloud.agent.resource.virtualnetwork.VirtualRoutingResource.applyConfigToVR(VirtualRoutingResource.java:303)
at
com.cloud.agent.resource.virtualnetwork.VirtualRoutingResource.applyConfig(VirtualRoutingResource.java:318)
at
com.cloud.agent.resource.virtualnetwork.VirtualRoutingResource.executeRequest(VirtualRoutingResource.java:165)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtNetworkElementCommandWrapper.execute(LibvirtNetworkElementCommandWrapper.java:35)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtNetworkElementCommandWrapper.execute(LibvirtNetworkElementCommandWrapper.java:29)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtRequestWrapper.execute(LibvirtRequestWrapper.java:78)
at
com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1958)
at com.cloud.agent.Agent.processRequest(Agent.java:779)
at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:1194)
at com.cloud.utils.nio.Task.call(Task.java:83)
at com.cloud.utils.nio.Task.call(Task.java:29)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:840)
```
GitHub link:
https://github.com/apache/cloudstack/discussions/11240#discussioncomment-13798928
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