Failed to contact IP-1085

Hallo,
Since yesterday something seems to be wrong with my webserver/Appserver. 
When I try to access my Apps detail view via Monitor I get "Failed to 
contact IP-1085". Thus I cannot reach my Apps.

Is there a way I can make Monitor getting the connection back without 
restarting the webserver/Appserver? Refreshing the page/trying to reconnect 
helped in the past with another Appserver, but does no good now.

I have plenty of close waits in my netstat, but that should not be part of 
the problem?

Memory seems ok.

Any idea how I could resove this?

Thanks,

Ute

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