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SCV backup job fails to delete VM snapshots due to VMWare API session timeout

  1. Last updated
    Apr 9, 2025
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Category:
snapcenter
Specialty:
snapx
Last Updated:
4/9/2025, 1:06:07 PM

Applies to

SnapCenter Plug-in for VMware vSphere (SCV) 6.1

Issue

  • SCV backup job completes with warning state
  • VMware snapshot named SCV__<VM_UUID>
     created by the backup job remains
  • wfe_<job_id>.log shows warning and error:

WARN <HOSTNAME> --- [     Thread-292] c.n.w.m.WorkflowExecutor                 : Activity (Unquiescing Applications) of Workflow (WorkflowExecutor), Failed with error: Unable to unquiesce on SCV: Exception when unquiescing virtual machines: <VM1>, <VM2>,... .Please check 'Remove all snapshots' task on vSphere Web Client or SnapCenter Plug-in for VMware vSphere logs for detailed error message.

ERROR <HOSTNAME> --- [     Thread-292] c.n.w.r.SCVBackupServiceImpl             : Unable to unquiesce on SCV: Exception when unquiescing virtual machines: <VM1>, <VM2>,... .Please check 'Remove all snapshots' task on vSphere Web Client or SnapCenter Plug-in for VMware vSphere logs for detailed error message.

  • vmcontrol_<JobID>.log shows API exception:

DEBUG <HOSTNAME> --- [l-522-thread-12] c.n.a.b.UnquiesceManager                 : Starting Unquiescing VM <VM>
  :
DEBUG <HOSTNAME> --- [l-522-thread-12] c.n.a.v.VsphereInventoryService          : Throwing API Exceptionnull
DEBUG <HOSTNAME> --- [l-522-thread-12] c.n.a.v.VsphereInventoryService          : [Ljava.lang.StackTraceElement;@XXXXXXXX
ERROR <HOSTNAME> --- [l-522-thread-12] c.n.a.b.UnquiesceManager                 : Failed unquiesceVM : com.netapp.nvpf.api.model.ApiException

  • The connection from SCV to vCenter is established over 30 minutes before the log entry Starting unquiesce operation is output in vmcntrol_<job_id>.log
2025-03-31 05:17:35.195 DEBUG <HOSTNAMW> --- [852445367-28099] c.n.a.v.VsphereService                   : vSphereServiceURL is : https://<VCENTER>:443/sdk
2025-03-31 05:51:43.241 DEBUG <HOSTNAMW> --- [852445367-28099] c.n.a.b.UnquiesceManager                 : [JobId:<JOB_ID>] Starting unquiesce operation in UnQuiesceManager

 

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