SCVバックアップが「Content is not allowed in prolog」という例外で失敗します。

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Category:: snapcenter

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環境

SnapCenter Plug-in for VMware vSphere（SCV）4.5
前回成功したバックアップ以降、設定は変更されていません

問題

SCVバックアップがリソースの検出に失敗し、次のメッセージが表示されます。

Error: Unable to discover resources on SCV: Storage discovery failed, received error during operation: java.lang.NullPointerException.

vmcontrol_<JOB_ID>.log ストレージ検出に失敗したことを示します。 java.lang.NullPointerException

ERROR <SCV> --- [94819250-652034] c.n.a.s.p.DiscoverResourcesManager : [JobId:6370] Storage discovery failed, received error during operation: java.lang.NullPointerException. Please refer to operation logs for more details. java.lang.NullPointerException at com.netapp.aegis.vsphere.VsphereInventoryService.getVirtualMachineByUuid(VsphereInventoryService.java:132) at com.netapp.aegis.discovery.VsphereDiscoveryManager.addVmInfo(VsphereDiscoveryManager.java:781) at com.netapp.aegis.backup.BackupMetadataManager.discoverMetdataInfo(BackupMetadataManager.java:725) at com.netapp.aegis.discovery.StorageDiscoveryManager.discoverVirtualEntities(StorageDiscoveryManager.java:260) at com.netapp.aegis.sms.provider.DiscoverResourcesManager.discoverResources(DiscoverResourcesManager.java:222) at sun.reflect.GeneratedMethodAccessor125.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498)

vmcontrol-<TIMESTAMP>.log VI SDKで例外が発生することを示します。 Content is not allowed in prolog

DEBUG <SCV> --- [94819250-652034] c.n.a.v.VcenterUtil : VCURL :https://<VCENTER_IP>:443/sdk DEBUG <SCV> --- [94819250-652034] c.n.a.v.VsphereService : vSphereServiceURL is : https://<VCENTER_IP>:443/sdk DEBUG <SCV> --- [94819250-652034] c.n.a.v.VsphereService : VI SDK invoke exception:org.dom4j.DocumentException: Error on line 1 of document : Content is not allowed in prolog. ERROR <SCV> --- [94819250-652034] c.n.a.s.p.DiscoverResourcesManager : VI SDK invoke exception:org.dom4j.DocumentException: Error on line 1 of document : Content is not allowed in prolog.