GitHub user midhunpjos closed a discussion: Cloudstack Agent Java IO exception
### problem
Network Actions,VM Deployments,router health checks are failing.
On cloudstack agent logs below is printed
2025-02-06 09:14:09,343 WARN [kvm.resource.LibvirtComputingResource]
(agentRequest-Handler-4:[]) (logid:64df14bf) Exception [Cannot run program
"/usr/share/
cloudstack-common/scripts/network/domr/router_proxy.sh": error=0, Failed to
exec spawn helper: pid: 605941, exit value: 1] occurred when attempting to run
command [/usr/share/cloudstack-common/scripts/network/domr/router_proxy.sh
filesystem_writable_check.py 169.254.156.203 ]. java.io.IOException: Cannot run
prog
ram "/usr/share/cloudstack-common/scripts/network/domr/router_proxy.sh":
error=0, Failed to exec spawn helper: pid: 605941, exit value: 1
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1143)
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1073)
at com.cloud.utils.script.Script.execute(Script.java:232)
at
com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeInVR(LibvirtComputingResource.java:553)
at
com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeInVR(LibvirtComputingResource.java:541)
at
com.cloud.agent.resource.virtualnetwork.VirtualRoutingResource.checkRouterFileSystem(VirtualRoutingResource.java:419)
at
com.cloud.agent.resource.virtualnetwork.VirtualRoutingResource.execute(VirtualRoutingResource.java:391)
at
com.cloud.agent.resource.virtualnetwork.VirtualRoutingResource.executeQueryCommand(VirtualRoutingResource.java:227)
at
com.cloud.agent.resource.virtualnetwork.VirtualRoutingResource.executeRequest(VirtualRoutingResource.java:129)
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:1945)
at com.cloud.agent.Agent.processRequest(Agent.java:686)
at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:1109)
at com.cloud.utils.nio.Task.call(Task.java:83)
at com.cloud.utils.nio.Task.call(Task.java:29)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.io.IOException: error=0, Failed to exec spawn helper: pid:
605941, exit value: 1
at java.base/java.lang.ProcessImpl.forkAndExec(Native Method)
at java.base/java.lang.ProcessImpl.<init>(ProcessImpl.java:314)
at java.base/java.lang.ProcessImpl.start(ProcessImpl.java:244)
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1110)
... 13 more
2025-02-06 09:14:46,697 WARN [kvm.storage.MultipathSCSIAdapterBase]
(MultipathMapCleanupJob:[]) (logid:) Exception [Cannot run program
"/usr/share/cloudstac
k-common/scripts/storage/multipath/cleanStaleMaps.sh": error=0, Failed to exec
spawn helper: pid: 605943, exit value: 1] occurred when attempting to run
command
[/usr/share/cloudstack-common/scripts/storage/multipath/cleanStaleMaps.sh ].
java.io.IOException: Cannot run program "/usr/share/cloudstack-common/script
s/storage/multipath/cleanStaleMaps.sh": error=0, Failed to exec spawn helper:
pid: 605943, exit value: 1
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1143)
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1073)
at com.cloud.utils.script.Script.execute(Script.java:232)
at
com.cloud.hypervisor.kvm.storage.MultipathSCSIAdapterBase.runScript(MultipathSCSIAdapterBase.java:382)
at
com.cloud.hypervisor.kvm.storage.MultipathSCSIAdapterBase.cleanupStaleMaps(MultipathSCSIAdapterBase.java:572)
at
com.cloud.hypervisor.kvm.storage.MultipathSCSIAdapterBase$1.run(MultipathSCSIAdapterBase.java:122)
at java.base/java.util.TimerThread.mainLoop(Timer.java:566)
at java.base/java.util.TimerThread.run(Timer.java:516)
Caused by: java.io.IOException: error=0, Failed to exec spawn helper: pid:
605943, exit value: 1
at java.base/java.lang.ProcessImpl.forkAndExec(Native Method)
at java.base/java.lang.ProcessImpl.<init>(ProcessImpl.java:314)
at java.base/java.lang.ProcessImpl.start(ProcessImpl.java:244)
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1110)
... 7 more
### versions
Cloudstack 4.20 + KVM
CEPH as Primary Storage
### The steps to reproduce the bug
1.Deploy Instance, add firewall rules for guest networks are failing
2.
3.
...
### What to do about it?
Restarting Cloudstack agent resolved the issue
GitHub link: https://github.com/apache/cloudstack/discussions/10336
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