Unexpected shutdown of one of the Xenmobile servers

Upgrade to Xenmobile 10.8.
List of fixes in Xenmobile 10.8:
https://docs.citrix.com/en-us/xenmobile/server/fixed-issues.html
 

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Problem Cause

Possible causes:
- hazelcast 
- An issue with a ps utility causes XenMobile Server nodes to reboot. [CXM-42305] 
- A License Server issue causes clustered XenMobile Servers to restart after an administrator 

log:
Reason: TcpIpConnectionManager is stopping
2018-02-06T16:00:52.400-0800 |   |  INFO | hz.ShutdownThread | com.hazelcast.instance.Node | [x.x.x.23]:45000 [dev] [3.7.2] Shutting down node engine...
2018-02-06T16:00:52.412-0800 |   |  INFO | hz.ShutdownThread | com.hazelcast.instance.NodeExtension | [x.x.x.23]:45000 [dev] [3.7.2] Destroying node NodeExtension.
2018-02-06T16:00:52.412-0800 |   |  INFO | hz.ShutdownThread | com.hazelcast.instance.Node | [x.x.x.23]:45000 [dev] [3.7.2] Hazelcast Shutdown is completed in 85 ms.

Unexpected-shutdown-of-one-of-the-Xenmobile-servers