GitHub user TheKunalSen added a comment to the discussion: After reboot host
connection issue
the thing is when i tried to delet the compute 3 host it gave me an error
```
026-06-17 13:45:10,924 DEBUG [c.c.s.StorageManagerImpl]
(AgentConnectTaskPool-86:[ctx-8119c015]) (logid:0af5c09a) Total over
provisioned capacity of the pool StoragePool
{"id":6,"name":"primary","poolType":"NetworkFilesystem","uuid":"81ecd9fd-9cdf-34cb-b99d-51d0e2cf3a0c"}
is (115.1981 TB) 126661639012352
2026-06-17 13:45:10,924 DEBUG [c.c.s.StorageManagerImpl]
(AgentConnectTaskPool-86:[ctx-8119c015]) (logid:0af5c09a) Successfully set
Capacity - (115.1981 TB) 126661639012352 for capacity type - 3 , DataCenterId -
3, Pool - StoragePool
{"id":6,"name":"primary","poolType":"NetworkFilesystem","uuid":"81ecd9fd-9cdf-34cb-b99d-51d0e2cf3a0c"},
PodId null
2026-06-17 13:45:10,925 ERROR [c.c.a.m.ClusteredAgentManagerImpl]
(AgentConnectTaskPool-86:[ctx-8119c015]) (logid:0af5c09a) Monitor
StoragePoolMonitor says there is an error in the connect process for 8 due to
Cannot invoke
"org.apache.cloudstack.storage.datastore.db.StoragePoolVO.isShared()" because
"pool" is null java.lang.NullPointerException: Cannot invoke
"org.apache.cloudstack.storage.datastore.db.StoragePoolVO.isShared()" because
"pool" is null
at
com.cloud.storage.listener.StoragePoolMonitor.processConnect(StoragePoolMonitor.java:187)
at
com.cloud.agent.manager.AgentManagerImpl.notifyMonitorsOfConnection(AgentManagerImpl.java:770)
at
com.cloud.agent.manager.AgentManagerImpl.connectHostAgent(AgentManagerImpl.java:1403)
at
com.cloud.agent.manager.AgentManagerImpl.sendReadyAndGetAttache(AgentManagerImpl.java:1365)
at
com.cloud.agent.manager.AgentManagerImpl.handleConnectedAgent(AgentManagerImpl.java:1419)
at
com.cloud.agent.manager.AgentManagerImpl$HandleAgentConnectTask.runInContext(AgentManagerImpl.java:1515)
at
org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
at
org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:840)
2026-06-17 13:45:10,926 WARN [c.c.u.d.GlobalLock]
(AgentConnectTaskPool-86:[ctx-8119c015]) (logid:0af5c09a) Global lock
re-entrance detected
2026-06-17 13:45:10,927 DEBUG [c.c.a.m.ClusteredAgentManagerImpl]
(AgentConnectTaskPool-86:[ctx-8119c015]) (logid:0af5c09a) Acquired lock on host
Host
{"id":8,"name":"compute3","type":"Routing","uuid":"c64a6f6b-3b43-43c7-b6b5-9b2510a056b0"},
to process agent disconnection
2026-06-17 13:45:10,927 INFO [c.c.a.m.ClusteredAgentManagerImpl]
(AgentConnectTaskPool-86:[ctx-8119c015]) (logid:0af5c09a) Host AgentAttache
{"_id":8,"_name":"compute3","_uuid":"c64a6f6b-3b43-43c7-b6b5-9b2510a056b0"} is
disconnecting with event AgentDisconnected
2026-06-17 13:45:10,927 DEBUG [c.c.a.m.ClusteredAgentManagerImpl]
(AgentConnectTaskPool-86:[ctx-8119c015]) (logid:0af5c09a) The next status of
agent Host
{"id":8,"name":"compute3","type":"Routing","uuid":"c64a6f6b-3b43-43c7-b6b5-9b2510a056b0"}
is Alert, current status is Connecting
2026-06-17 13:45:10,927 DEBUG [c.c.a.m.ClusteredAgentManagerImpl]
(AgentConnectTaskPool-86:[ctx-8119c015]) (logid:0af5c09a) Deregistering link
for AgentAttache
{"_id":8,"_name":"compute3","_uuid":"c64a6f6b-3b43-43c7-b6b5-9b2510a056b0"}
with state Alert
2026-06-17 13:45:10,927 DEBUG [c.c.a.m.ClusteredAgentManagerImpl]
(AgentConnectTaskPool-8
```
GitHub link:
https://github.com/apache/cloudstack/discussions/13440#discussioncomment-17339114
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