GitHub user yvsubhash opened a pull request:

    https://github.com/apache/cloudstack/pull/1761

    CLOUDSTACK-9592 Empty responses from site to site connection status a…

    CLOUDSTACK-9592 Empty responses from site to site connection status are not 
handled propertly
    
    vpn connection status gives responses like the below sometimes
    Processing: { Ans: , MgmtId: 7203499016310, via: 1(10.147.28.37), Ver: v1, 
Flags: 110, 
[{"com.cloud.agent.api.CheckS2SVpnConnectionsAnswer":{"ipToConnected":{},"ipToDetail":{},"details":"","result":true,"wait":0}}]
 }
    2016-09-27 08:52:19,211 DEBUG [c.c.a.t.Request] 
(RouterStatusMonitor-1:ctx-c20f391d) (logid:c217239d) Seq 
1-2315413158421863581: Received: { Ans: , MgmtId: 7203499016310, via: 
1(10.147.28.37), Ver: v1, Flags: 110,
    { CheckS2SVpnConnectionsAnswer }
    In the above scenario, the bug in the processing of this response assumes 
the connection is disconnected even though it is not disconnected and there 
would be two consecutive alerts in logs as well as emails even though there is 
not actual disconnection and reconnection
    Site-to-site Vpn Connection XYZ-VPN on router r-197-VM(id: 197) just switch 
from Disconnected to Connected
    Site-to-site Vpn Connection to D1 site to site VPN on router r-372-VM(id: 
372) just switch from Connected to Disconnected


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/yvsubhash/cloudstack CLOUDSTACK-9592

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/cloudstack/pull/1761.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1761
    
----
commit 6c8bab5fe30a1c1adacb9b73afe89c41f00cad17
Author: subhash yedugundla <venkatasubhashnaidu.yedugun...@citrix.com>
Date:   2016-06-24T09:36:48Z

    CLOUDSTACK-9592 Empty responses from site to site connection status are not 
handled propertly

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