sureshanaparti opened a new issue, #9834:
URL: https://github.com/apache/cloudstack/issues/9834
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NPE during host rolling maintenance when host has tag and service offering
doesn't have host tag.
##### ISSUE TYPE
<!-- Pick one below and delete the rest -->
* Bug Report
##### COMPONENT NAME
<!--
Categorize the issue, e.g. API, VR, VPN, UI, etc.
-->
~~~
Host
~~~
##### CLOUDSTACK VERSION
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New line separated list of affected versions, commit ID for issues on main
branch.
-->
~~~
4.19.1.2
~~~
##### OS / ENVIRONMENT
<!--
Information about the environment if relevant, N/A otherwise
-->
MS + KVM Hosts (OL8)
##### SUMMARY
<!-- Explain the problem/feature briefly -->
NPE after start rolling maintenance when host has tag and service offering
doesn't have host tag. Other host(s) in cluster has tag.
##### STEPS TO REPRODUCE
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For bugs, show exactly how to reproduce the problem, using a minimal
test-case. Use Screenshots if accurate.
For new features, show how the feature would be used.
-->
- Set host tag to host, say Host1
- Set host tag to any other host, say Host2, in the same cluster as Host1
- Create VM on the Host1, using service offering with no host tag
- Start rolling maintenance on Host1
Logs:
```
2024-10-22 05:40:25,689 INFO [o.a.c.f.j.i.AsyncJobMonitor]
(API-Job-Executor-32:ctx-6b9edab0 job-41) (logid:c9c074cb) Add job-41 into job
monitoring
2024-10-22 05:40:25,691 DEBUG [o.a.c.f.j.i.AsyncJobManagerImpl]
(qtp660017404-20:ctx-f60bd7f6 ctx-8a09649a) (logid:2c81de00) submit async
job-41, details: AsyncJobVO: {id:41, userId: 2, accountId: 2, instanceType:
Host, instanceId: 2, cmd:
org.apache.cloudstack.api.command.admin.resource.StartRollingMaintenanceCmd,
cmdInfo:
{"response":"json","ctxUserId":"2","sessionkey":"5KjTYbzLXZBM2G0YP4VX1m0ImKo","httpmethod":"GET","ctxStartEventId":"115","hostids":"00016127-58a3-4cd4-95e6-f7279db0574c","ctxDetails":"{\"interface
com.cloud.host.Host\":\"00016127-58a3-4cd4-95e6-f7279db0574c\"}","ctxAccountId":"2","cmdEventType":"HOST.ROLLING.MAINTENANCE"},
cmdVersion: 0, status: IN_PROGRESS, processStatus: 0, resultCode: 0, result:
null, initMsid: 32989593469185, completeMsid: null, lastUpdated: null,
lastPolled: null, created: null, removed: null}
2024-10-22 05:40:25,693 DEBUG [o.a.c.f.j.i.AsyncJobManagerImpl]
(API-Job-Executor-32:ctx-6b9edab0 job-41) (logid:2df29f6c) Executing
AsyncJobVO: {id:41, userId: 2, accountId: 2, instanceType: Host, instanceId: 2,
cmd:
org.apache.cloudstack.api.command.admin.resource.StartRollingMaintenanceCmd,
cmdInfo:
{"response":"json","ctxUserId":"2","sessionkey":"5KjTYbzLXZBM2G0YP4VX1m0ImKo","httpmethod":"GET","ctxStartEventId":"115","hostids":"00016127-58a3-4cd4-95e6-f7279db0574c","ctxDetails":"{\"interface
com.cloud.host.Host\":\"00016127-58a3-4cd4-95e6-f7279db0574c\"}","ctxAccountId":"2","cmdEventType":"HOST.ROLLING.MAINTENANCE"},
cmdVersion: 0, status: IN_PROGRESS, processStatus: 0, resultCode: 0, result:
null, initMsid: 32989593469185, completeMsid: null, lastUpdated: null,
lastPolled: null, created: null, removed: null}
2024-10-22 05:40:25,695 DEBUG [c.c.a.ApiServlet]
(qtp660017404-20:ctx-f60bd7f6 ctx-8a09649a) (logid:2c81de00) ===END===
10.0.3.251 -- GET
hostids=00016127-58a3-4cd4-95e6-f7279db0574c&command=startRollingMaintenance&response=json&sessionkey=5KjTYbzLXZBM2G0YP4VX1m0ImKo
2024-10-22 05:40:25,709 DEBUG [c.c.r.RollingMaintenanceManagerImpl]
(API-Job-Executor-32:ctx-6b9edab0 job-41 ctx-d4ae806d) (logid:2df29f6c) State
checks on the hosts in the cluster
2024-10-22 05:40:25,709 DEBUG [c.c.r.RollingMaintenanceManagerImpl]
(API-Job-Executor-32:ctx-6b9edab0 job-41 ctx-d4ae806d) (logid:2df29f6c)
Checking hosts capacity before attempting rolling maintenance
2024-10-22 05:40:25,733 ERROR [c.c.a.ApiAsyncJobDispatcher]
(API-Job-Executor-32:ctx-6b9edab0 job-41) (logid:2df29f6c) Unexpected exception
while executing
org.apache.cloudstack.api.command.admin.resource.StartRollingMaintenanceCmd
java.lang.NullPointerException
at
com.cloud.resource.RollingMaintenanceManagerImpl.lambda$checkHostTags$1(RollingMaintenanceManagerImpl.java:679)
at
java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90)
at
java.base/java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1632)
at
java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127)
at
java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502)
at
java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488)
at
java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
at
java.base/java.util.stream.MatchOps$MatchTask.doLeaf(MatchOps.java:306)
at
java.base/java.util.stream.MatchOps$MatchTask.doLeaf(MatchOps.java:277)
at
java.base/java.util.stream.AbstractShortCircuitTask.compute(AbstractShortCircuitTask.java:115)
at
java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:746)
at
java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
at
java.base/java.util.concurrent.ForkJoinTask.doInvoke(ForkJoinTask.java:408)
at
java.base/java.util.concurrent.ForkJoinTask.invoke(ForkJoinTask.java:736)
at
java.base/java.util.stream.MatchOps$MatchOp.evaluateParallel(MatchOps.java:242)
at
java.base/java.util.stream.MatchOps$MatchOp.evaluateParallel(MatchOps.java:196)
at
java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:233)
at
java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528)
at
com.cloud.resource.RollingMaintenanceManagerImpl.checkHostTags(RollingMaintenanceManagerImpl.java:679)
at
com.cloud.resource.RollingMaintenanceManagerImpl.performCapacityChecksBeforeHostInMaintenance(RollingMaintenanceManagerImpl.java:626)
at
com.cloud.resource.RollingMaintenanceManagerImpl.performCapacityChecks(RollingMaintenanceManagerImpl.java:593)
at
com.cloud.resource.RollingMaintenanceManagerImpl.startRollingMaintenance(RollingMaintenanceManagerImpl.java:200)
at
org.apache.cloudstack.api.command.admin.resource.StartRollingMaintenanceCmd.execute(StartRollingMaintenanceCmd.java:131)
at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:172)
at
com.cloud.api.ApiAsyncJobDispatcher.runJob(ApiAsyncJobDispatcher.java:112)
at
org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.runInContext(AsyncJobManagerImpl.java:654)
at
org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:48)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:55)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:102)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:52)
at
org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:45)
at
org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.run(AsyncJobManagerImpl.java:602)
at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
2024-10-22 05:40:25,738 DEBUG [o.a.c.f.j.i.AsyncJobManagerImpl]
(API-Job-Executor-32:ctx-6b9edab0 job-41) (logid:2df29f6c) Complete async
job-41, jobStatus: FAILED, resultCode: 530, result:
org.apache.cloudstack.api.response.ExceptionResponse/null/{"uuidList":[],"errorcode":"530"}
```
<img width="1250" alt="Host_RollingMaintenance_Issue"
src="https://github.com/user-attachments/assets/1a704468-a056-4a21-b71b-2d1b70604738";>
<!-- You can also paste gist.github.com links for larger files -->
##### EXPECTED RESULTS
<!-- What did you expect to happen when running the steps above? -->
~~~
Rolling maintenance of host should be performed without any issues.
~~~
##### ACTUAL RESULTS
<!-- What actually happened? -->
<!-- Paste verbatim command output between quotes below -->
~~~
Rolling maintenance of host fails with error.
~~~
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