[jira] [Created] (CLOUDSTACK-7833) VM Async work jobs log "Was unable to find lock for the key vm_instance" errors at warn

["Min Chen (JIRA)" <ji...@apache.org>]

Min Chen created CLOUDSTACK-7833:
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             Summary: VM Async work jobs log "Was unable to find lock for the key vm_instance" errors at warn
                 Key: CLOUDSTACK-7833
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-7833
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Management Server
    Affects Versions: 4.3.0
            Reporter: Min Chen
            Assignee: Min Chen
            Priority: Critical
             Fix For: 4.5.0




When Deploy VM API is processed by the VM orchestration logic, VM Work jobs are created and put in the async job queue.

While processing these jobs, log shows a lot of WARN statements as follows

2014-10-28 08:09:13,633 DEBUG [o.a.c.f.j.i.AsyncJobManagerImpl] (API-Job-Executor-100:ctx-e10c4339 job-464 ctx-4d5301e4) Sync job-726 execution on object VmWorkJobQueue.286
2014-10-28 08:09:13,640 WARN [c.c.u.d.Merovingian2] (API-Job-Executor-100:ctx-e10c4339 job-464 ctx-4d5301e4) Was unable to find lock for the key vm_instance286 and thread id 1581663601

2014-10-28 08:18:32,003 DEBUG [o.a.c.f.j.i.AsyncJobManagerImpl] (API-Job-Executor-100:ctx-e10c4339 job-464 ctx-4d5301e4) Sync job-1332 execution on object VmWorkJobQueue.286
2014-10-28 08:18:32,006 WARN [c.c.u.d.Merovingian2] (API-Job-Executor-100:ctx-e10c4339 job-464 ctx-4d5301e4) Was unable to find lock for the key vm_instance286 and thread id 1581663601




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