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https://issues.apache.org/jira/browse/CLOUDSTACK-2304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13694573#comment-13694573
 ] 

Rajesh Battala commented on CLOUDSTACK-2304:
--------------------------------------------

NPE use to happen at different class before object store merge. 
Now the NPE is happening at differnent location/class. The Fix provided in RB 
won't be valid now. 
Have to re-work on this fix.

 more commands found
2013-06-27 14:24:51,007 DEBUG [agent.transport.Request] 
(Job-Executor-33:job-57) Seq 3-393160908: Received:  { Ans: , MgmtId: 
235715300172635, via: 3, Ver: v1, Flags: 110, { UnsupportedAnswer } }
2013-06-27 14:24:51,008 WARN  [agent.manager.AgentManagerImpl] 
(Job-Executor-33:job-57) Unsupported Command: Unsupported command 
issued:org.apache.cloudstack.storage.command.CopyCommand.  Are you sure you got 
the right type of server?
2013-06-27 14:24:51,009 DEBUG [storage.motion.AncientDataMotionStrategy] 
(Job-Executor-33:job-57) copy to image store failed: Unsupported command 
issued:org.apache.cloudstack.storage.command.CopyCommand.  Are you sure you got 
the right type of server?
2013-06-27 14:24:51,032 DEBUG [storage.motion.AncientDataMotionStrategy] 
(Job-Executor-33:job-57) copy failed
java.lang.NullPointerException
        at 
org.apache.cloudstack.storage.volume.VolumeObject.getPath(VolumeObject.java:324)
        at 
org.apache.cloudstack.storage.to.VolumeObjectTO.<init>(VolumeObjectTO.java:51)
        at 
org.apache.cloudstack.storage.volume.VolumeObject.getTO(VolumeObject.java:446)
        at 
org.apache.cloudstack.storage.image.BaseImageStoreDriverImpl.deleteAsync(BaseImageStoreDriverImpl.java:188)
        at 
org.apache.cloudstack.storage.image.store.ImageStoreImpl.delete(ImageStoreImpl.java:148)
        at 
org.apache.cloudstack.storage.motion.AncientDataMotionStrategy.copyVolumeBetweenPools(AncientDataMotionStrategy.java:281)
        at 
org.apache.cloudstack.storage.motion.AncientDataMotionStrategy.copyAsync(AncientDataMotionStrategy.java:330)
        at 
org.apache.cloudstack.storage.motion.DataMotionServiceImpl.copyAsync(DataMotionServiceImpl.java:57)
        at 
org.apache.cloudstack.storage.volume.VolumeServiceImpl.copyVolume(VolumeServiceImpl.java:703)
        at 
com.cloud.storage.VolumeManagerImpl.migrateVolume(VolumeManagerImpl.java:2109)
        at 
com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
        at 
com.cloud.storage.VolumeManagerImpl.migrateVolume(VolumeManagerImpl.java:2101)
        at 
com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
        at 
org.apache.cloudstack.api.command.user.volume.MigrateVolumeCmd.execute(MigrateVolumeCmd.java:102)
        at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:155)
        at 
com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:437)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:722)

                
> [ZWPS]NPE while migrating volume from one zone wide primary to another
> ----------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-2304
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2304
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the 
> default.) 
>          Components: Volumes
>    Affects Versions: 4.2.0
>         Environment: KVM/VMware deployment with Zone wide primary storage
>            Reporter: Srikanteswararao Talluri
>            Assignee: Rajesh Battala
>            Priority: Critical
>             Fix For: 4.2.0
>
>         Attachments: Archive.zip
>
>
> Try to migrate a volume from one zone wide primary storage to another.
>  ===START===  10.252.241.40 -- GET  
> command=migrateVolume&storageid=230ae4af-0446-3929-a8cd-63ab88f31ab1&volumeid=d9efc3d8-1612-4998-95d7-c713e90b7173&response=json&sessionkey=yMNGYR64PRQhdJaPj99Bvs2KDDE%3D&_=1367485037836
> 2013-05-02 20:06:59,384 DEBUG [cloud.async.AsyncJobManagerImpl] 
> (catalina-exec-3:null) submit async job-97, details: AsyncJobVO {id:97, 
> userId: 2, accountId: 2, sessionKey: null, instanceType: null, instanceId: 
> null, cmd: org.apache.cloudstack.api.command.user.volume.MigrateVolumeCmd, 
> cmdOriginator: null, cmdInfo: 
> {"response":"json","sessionkey":"yMNGYR64PRQhdJaPj99Bvs2KDDE\u003d","ctxUserId":"2","storageid":"230ae4af-0446-3929-a8cd-63ab88f31ab1","_":"1367485037836","volumeid":"d9efc3d8-1612-4998-95d7-c713e90b7173","ctxAccountId":"2","ctxStartEventId":"310"},
>  cmdVersion: 0, callbackType: 0, callbackAddress: null, status: 0, 
> processStatus: 0, resultCode: 0, result: null, initMsid: 7566222426160, 
> completeMsid: null, lastUpdated: null, lastPolled: null, created: null}
> 2013-05-02 20:06:59,388 DEBUG [cloud.api.ApiServlet] (catalina-exec-3:null) 
> ===END===  10.252.241.40 -- GET  
> command=migrateVolume&storageid=230ae4af-0446-3929-a8cd-63ab88f31ab1&volumeid=d9efc3d8-1612-4998-95d7-c713e90b7173&response=json&sessionkey=yMNGYR64PRQhdJaPj99Bvs2KDDE%3D&_=1367485037836
> 2013-05-02 20:06:59,391 DEBUG [cloud.async.AsyncJobManagerImpl] 
> (Job-Executor-66:job-97) Executing 
> org.apache.cloudstack.api.command.user.volume.MigrateVolumeCmd for job-97
> 2013-05-02 20:06:59,423 DEBUG [cloud.storage.VolumeManagerImpl] 
> (Job-Executor-66:job-97) migrate volume failed:java.lang.NullPointerException
> 2013-05-02 20:06:59,424 DEBUG [cloud.async.AsyncJobManagerImpl] 
> (Job-Executor-66:job-97) Complete async job-97, jobStatus: 1, resultCode: 0, 
> result: null
> 2013-05-02 20:06:59,434 DEBUG [cloud.async.AsyncJobManagerImpl] 
> (Job-Executor-66:job-97) Done executing 
> org.apache.cloudstack.api.command.user.volume.MigrateVolumeCmd for job-97

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