[CalendarServer-users] Connection aborted - took too long to close

Jacques Distler distler at golem.ph.utexas.edu
Fri Feb 6 18:36:28 PST 2015

> On Feb 6, 2015, at 1:49 PM, Jacques Distler <distler at golem.ph.utexas.edu> wrote:
> On the client side, the errors look like
> 2/6/15 1:37:43.588 PM CalendarAgent[91270]: [com.apple.calendar.store.log.caldav.queue] [Account refresh failed with error: Error Domain=NSURLErrorDomain Code=-1005 "The network connection was lost." UserInfo=0x7fe5df29be10 {AccountName=Yyyyy Yyyyyy, CalDAVErrFromRefresh=YES, NSUnderlyingError=0x7fe5df2d2ee0 "The network connection was lost.", NSErrorFailingURLKey=https://distler@golem.ph.utexas.edu:8443/calendars/__uids__/E8983642-8809-5ED0-9EDE-60D056E0A81B/, NSLocalizedDescription=The network connection was lost., _kCFStreamErrorDomainKey=4, NSErrorFailingURLStringKey=https://distler@golem.ph.utexas.edu:8443/calendars/__uids__/E8983642-8809-5ED0-9EDE-60D056E0A81B/, _kCFStreamErrorCodeKey=-4}]
> Could it be that the CLIENT is the one timing out (rather than the server)?

Nope. That definitely ain't the problem.

I can reproduce the problem on the client side by opening up an appropriate URL


 in a web browser. The page starts to load, but times out after 20 seconds, with a

    Connection Interrupted
    The document contains no data.
    The network link was interrupted while negotiating a connection. Please try again.

The timing exactly coincides with the "Connection aborted" error message on the server.

So it's definitely the server that is timing out the connection, and the timeout interval is 20 seconds.

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