[I] Getting NPE when unmange cluster is performed [cloudstack]

[via GitHub]

kiranchavala opened a new issue, #11293:
URL: https://github.com/apache/cloudstack/issues/11293

   ### problem
   
   Getting NPE when performing Unmanage Cluster 
   
   ### versions
   
   ACS 4.19 and 4.20 
   
   ### The steps to reproduce the bug
   
   1.  Navigate to cluster and Unmanage a cluster 
   
   2. Exception observed 
   
   <img width="1152" height="564" alt="Image" 
src="https://github.com/user-attachments/assets/4bcc131d-96cf-4e4d-a3ee-5bf1556f3283";
 />
   
   3. Execute the API also 
   
   (admin) 🐱 > update cluster managedstate=Unmanaged 
id=f16d90eb-c351-40d0-9400-bb68baf896a2
   🙈 Error: (HTTP 530, error code 9999) current thread is not owner
   
   
   Logs 
   
   ```
   2025-07-25 07:26:38,088 ERROR [c.c.a.ApiServer] 
(qtp253011924-19:[ctx-813f8f25, ctx-7b32b728]) (logid:4995b315) unhandled 
exception executing api command: [Ljava.lang.String;@ef7f0ca 
java.lang.IllegalMonitorStateException: current thread is not owner
           at java.base/java.lang.Object.wait(Native Method)
           at 
com.cloud.resource.ResourceManagerImpl.updateCluster(ResourceManagerImpl.java:1262)
           at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
           at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
           at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
           at java.base/java.lang.reflect.Method.invoke(Method.java:569)
           at 
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)
           at 
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198)
           at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
           at 
org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
           at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
           at 
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215)
           at jdk.proxy3/jdk.proxy3.$Proxy229.updateCluster(Unknown Source)
           at 
org.apache.cloudstack.api.command.admin.cluster.UpdateClusterCmd.execute(UpdateClusterCmd.java:131)
           at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:173)
           at com.cloud.api.ApiServer.queueCommand(ApiServer.java:854)
           at com.cloud.api.ApiServer.handleRequest(ApiServer.java:668)
           at 
com.cloud.api.ApiServlet.processRequestInContext(ApiServlet.java:416)
   
   ```
   
   
   
   
   ### What to do about it?
   
   There should be no exception when user perform unmnage cluster 


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