[jira] [Created] (CLOUDSTACK-3458) Network GC thread - fails to stop the router in multiple Management server cluster environment

["Alena Prokharchyk (JIRA)" <ji...@apache.org>]

Alena Prokharchyk created CLOUDSTACK-3458:
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             Summary: Network GC thread - fails to stop the router in multiple Management server cluster environment
                 Key: CLOUDSTACK-3458
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-3458
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Management Server
    Affects Versions: 4.2.0
            Reporter: Alena Prokharchyk
            Assignee: Alena Prokharchyk
             Fix For: 4.2.0


Steps to reproduce:

1) Setup 2 management servers
2) Have network GC thread run every min (the minimum interval)
3) As there is no locking done on the thread, 2 management servers can run network GC thread on the same network, and it results in VR being stuck in Stopping state forever.

Solution: introduce the global lock on the GC thread.

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