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From "Chandan Purushothama (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-3756) Object_Store_Refactor - [KVM] Snapshot Retention Policy Fails.
Date Tue, 23 Jul 2013 22:30:49 GMT
Chandan Purushothama created CLOUDSTACK-3756:
------------------------------------------------

             Summary: Object_Store_Refactor - [KVM] Snapshot Retention Policy Fails.
                 Key: CLOUDSTACK-3756
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-3756
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Snapshot
    Affects Versions: 4.2.0
            Reporter: Chandan Purushothama
            Priority: Critical
             Fix For: 4.2.0



============================================
During the creation of a Hourly Snapshot - NPE is thrown:
============================================

2013-07-23 14:51:47,359 DEBUG [agent.transport.Request] (Job-Executor-26:job-55 = [ 70344d23-f8f7-49c2-8046-e3511ba2ee56
]) Seq 1-710935896: Sending  { Cmd , MgmtId: 7471666038533, via: 1, Ver: v1, Flags: 100011,
[{"org.apache.cloudstack.storage.command.CopyCommand":{"srcTO":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"/mnt/ef3dea99-0a1b-35b9-87ec-d8cabe7ed9c1/906ec8f4-e625-4943-aedd-aff3444150b9/d3b4dcd2-ae74-45cc-bf43-a61d13309e72","volume":{"uuid":"031802d8-c10a-4038-9acf-b86eba54b647","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"ef3dea99-0a1b-35b9-87ec-d8cabe7ed9c1","id":1,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/chandan/campocr-195-103/primarykvm","port":2049}},"name":"ROOT-6","size":147456,"path":"906ec8f4-e625-4943-aedd-aff3444150b9","volumeId":6,"vmName":"i-3-6-JULYLAST","accountId":3,"format":"QCOW2","id":6},"parentSnapshotPath":"/mnt/ef3dea99-0a1b-35b9-87ec-d8cabe7ed9c1/906ec8f4-e625-4943-aedd-aff3444150b9/d9190a5c-84a8-4928-be9f-6755e1b0d1e6","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"ef3dea99-0a1b-35b9-87ec-d8cabe7ed9c1","id":1,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/chandan/campocr-195-103/primarykvm","port":2049}},"vmName":"i-3-6-JULYLAST","name":"Atoms-VM-1_ROOT-6_20130723215146","hypervisorType":"KVM","id":11}},"destTO":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"snapshots/3/6","volume":{"uuid":"031802d8-c10a-4038-9acf-b86eba54b647","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"ef3dea99-0a1b-35b9-87ec-d8cabe7ed9c1","id":1,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/chandan/campocr-195-103/primarykvm","port":2049}},"name":"ROOT-6","size":147456,"path":"906ec8f4-e625-4943-aedd-aff3444150b9","volumeId":6,"vmName":"i-3-6-JULYLAST","accountId":3,"format":"QCOW2","id":6},"parentSnapshotPath":"snapshots/3/6/d9190a5c-84a8-4928-be9f-6755e1b0d1e6","dataStore":{"com.cloud.agent.api.to.NfsTO":{"_url":"nfs://10.223.110.232/export/home/chandan/campocr-195-103/secondary/","_role":"Image"}},"vmName":"i-3-6-JULYLAST","name":"Atoms-VM-1_ROOT-6_20130723215146","hypervisorType":"KVM","id":11}},"executeInSequence":false,"wait":21600}}]
}
2013-07-23 14:52:50,158 DEBUG [agent.transport.Request] (Job-Executor-26:job-55 = [ 70344d23-f8f7-49c2-8046-e3511ba2ee56
]) Seq 1-710935896: Received:  { Ans: , MgmtId: 7471666038533, via: 1, Ver: v1, Flags: 10,
{ CopyCmdAnswer } }
2013-07-23 14:52:50,232 DEBUG [storage.snapshot.SnapshotManagerImpl] (Job-Executor-26:job-55
= [ 70344d23-f8f7-49c2-8046-e3511ba2ee56 ]) Max snaps: 2 exceeded for snapshot policy with
Id: 3. Deleting oldest snapshot: 5
2013-07-23 14:52:50,277 DEBUG [cloud.user.AccountManagerImpl] (Job-Executor-26:job-55 = [
70344d23-f8f7-49c2-8046-e3511ba2ee56 ]) Access to com.cloud.storage.SnapshotVO$$EnhancerByCGLIB$$59847169@f1779fa
granted to Acct[3-atoms] by DomainChecker_EnhancerByCloudStack_ccb7a71
2013-07-23 14:52:50,315 DEBUG [storage.snapshot.SnapshotManagerImpl] (Job-Executor-26:job-55
= [ 70344d23-f8f7-49c2-8046-e3511ba2ee56 ]) Max snaps: 2 exceeded for snapshot policy with
Id: 3. Deleting oldest snapshot: 7
2013-07-23 14:52:50,321 DEBUG [cloud.user.AccountManagerImpl] (Job-Executor-26:job-55 = [
70344d23-f8f7-49c2-8046-e3511ba2ee56 ]) Access to com.cloud.storage.SnapshotVO$$EnhancerByCGLIB$$59847169@1db4492d
granted to Acct[3-atoms] by DomainChecker_EnhancerByCloudStack_ccb7a71
2013-07-23 14:52:50,346 DEBUG [storage.snapshot.SnapshotManagerImpl] (Job-Executor-26:job-55
= [ 70344d23-f8f7-49c2-8046-e3511ba2ee56 ]) Max snaps: 2 exceeded for snapshot policy with
Id: 3. Deleting oldest snapshot: 8
2013-07-23 14:52:50,353 DEBUG [cloud.user.AccountManagerImpl] (Job-Executor-26:job-55 = [
70344d23-f8f7-49c2-8046-e3511ba2ee56 ]) Access to com.cloud.storage.SnapshotVO$$EnhancerByCGLIB$$59847169@7bca0fdb
granted to Acct[3-atoms] by DomainChecker_EnhancerByCloudStack_ccb7a71
2013-07-23 14:52:50,361 DEBUG [storage.snapshot.XenserverSnapshotStrategy] (Job-Executor-26:job-55
= [ 70344d23-f8f7-49c2-8046-e3511ba2ee56 ]) delete snapshot chain for snapshot: 8
2013-07-23 14:52:50,363 DEBUG [storage.snapshot.XenserverSnapshotStrategy] (Job-Executor-26:job-55
= [ 70344d23-f8f7-49c2-8046-e3511ba2ee56 ]) Snapshot: 8 doesn't have children, so it's ok
to delete it and its parents
2013-07-23 14:52:50,383 DEBUG [agent.manager.AgentAttache] (Job-Executor-26:job-55 = [ 70344d23-f8f7-49c2-8046-e3511ba2ee56
]) Request seq: 1039532322
2013-07-23 14:52:50,383 DEBUG [agent.manager.AgentAttache] (Job-Executor-26:job-55 = [ 70344d23-f8f7-49c2-8046-e3511ba2ee56
]) waiting to send 1039532322
2013-07-23 14:52:50,383 DEBUG [agent.manager.AgentAttache] (Job-Executor-26:job-55 = [ 70344d23-f8f7-49c2-8046-e3511ba2ee56
]) entering synchronize block for sending 1039532322
2013-07-23 14:52:50,383 DEBUG [agent.transport.Request] (Job-Executor-26:job-55 = [ 70344d23-f8f7-49c2-8046-e3511ba2ee56
]) Seq 3-1039532322: Sending  { Cmd , MgmtId: 7471666038533, via: 3, Ver: v1, Flags: 100011,
[{"org.apache.cloudstack.storage.command.DeleteCommand":{"data":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"snapshots/3/6/99b5f9f3-9c6d-4db7-af19-05106fe6e1cc","volume":{"uuid":"031802d8-c10a-4038-9acf-b86eba54b647","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"ef3dea99-0a1b-35b9-87ec-d8cabe7ed9c1","id":1,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/chandan/campocr-195-103/primarykvm","port":2049}},"name":"ROOT-6","size":147456,"path":"906ec8f4-e625-4943-aedd-aff3444150b9","volumeId":6,"vmName":"i-3-6-JULYLAST","accountId":3,"format":"QCOW2","id":6},"dataStore":{"com.cloud.agent.api.to.NfsTO":{"_url":"nfs://10.223.110.232/export/home/chandan/campocr-195-103/secondary/","_role":"Image"}},"vmName":"i-3-6-JULYLAST","name":"Atoms-VM-1_ROOT-6_20130723195146","hypervisorType":"KVM","id":8}},"wait":0}}]
}
2013-07-23 14:52:56,181 DEBUG [agent.transport.Request] (Job-Executor-26:job-55 = [ 70344d23-f8f7-49c2-8046-e3511ba2ee56
]) Seq 3-1039532322: Received:  { Ans: , MgmtId: 7471666038533, via: 3, Ver: v1, Flags: 10,
{ Answer } }
2013-07-23 14:52:56,195 DEBUG [storage.snapshot.XenserverSnapshotStrategy] (Job-Executor-26:job-55
= [ 70344d23-f8f7-49c2-8046-e3511ba2ee56 ]) Failed to delete snapshot:
java.lang.NullPointerException
        at org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy.deleteSnapshot(XenserverSnapshotStrategy.java:192)
        at com.cloud.storage.snapshot.SnapshotManagerImpl.deleteSnapshot(SnapshotManagerImpl.java:496)
        at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
        at com.cloud.storage.snapshot.SnapshotManagerImpl.postCreateRecurringSnapshotForPolicy(SnapshotManagerImpl.java:467)
        at com.cloud.storage.snapshot.SnapshotManagerImpl.postCreateSnapshot(SnapshotManagerImpl.java:448)
        at com.cloud.storage.snapshot.SnapshotManagerImpl.takeSnapshot(SnapshotManagerImpl.java:999)
        at org.apache.cloudstack.storage.volume.VolumeServiceImpl.takeSnapshot(VolumeServiceImpl.java:1185)
        at com.cloud.storage.VolumeManagerImpl.takeSnapshot(VolumeManagerImpl.java:2654)
        at org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd.execute(CreateSnapshotCmd.java:170)
        at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:158)
        at com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:531)
        at java.util.concurrent.Executors$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:679)
2013-07-23 14:52:56,195 DEBUG [storage.snapshot.XenserverSnapshotStrategy] (Job-Executor-26:job-55
= [ 70344d23-f8f7-49c2-8046-e3511ba2ee56 ]) Failed to change snapshot state: java.lang.NullPointerException
2013-07-23 14:52:56,292 DEBUG [cloud.async.AsyncJobManagerImpl] (Job-Executor-26:job-55 =
[ 70344d23-f8f7-49c2-8046-e3511ba2ee56 ]) Complete async job-55 = [ 70344d23-f8f7-49c2-8046-e3511ba2ee56
], jobStatus: 1, resultCode: 0, result: org.apache.cloudstack.api.response.SnapshotResponse@1b581772
2013-07-23 14:52:56,297 DEBUG [cloud.async.AsyncJobManagerImpl] (Job-Executor-26:job-55 =
[ 70344d23-f8f7-49c2-8046-e3511ba2ee56 ]) Done executing org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd
for job-55 = [ 70344d23-f8f7-49c2-8046-e3511ba2ee56 ]

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