Re: Distributed Objects "connection went invalid while waiting for a reply"
Re: Distributed Objects "connection went invalid while waiting for a reply"
- Subject: Re: Distributed Objects "connection went invalid while waiting for a reply"
- From: "Hamish Allan" <email@hidden>
- Date: Mon, 28 Jul 2008 22:35:47 +0100
For anyone searching the archives for "connection went invalid while
waiting for a reply":
I never found out why this message was appearing, but I found a workaround.
Instead of calling [client callbackWithArgument:arg], call [client
performSelector:@selector(callbackWithArgument:) withObject:arg
afterDelay:0.0]
I don't know why this should make a difference!
Hamish
On Wed, Jul 9, 2008 at 1:11 AM, Hamish Allan <email@hidden> wrote:
> I'm seeing "connection went invalid while waiting for a reply" in a DO
> callback. The client passes self in a call to the server; some time
> later, the server calls a method on that client (proxy), the program
> hangs for a second or so, the "connection went invalid" connection
> appears, but the method call is successful anyway, so it would appear
> that the DO machinery is re-connecting everything okay.
>
> According to the debugger, the message appears as a result of an
> uncaught NSException from -[NSConnection sendInvocation:internal:],
> called from -[NSDistantObject forwardInvocation].
>
> Server and client are both properly retained.
>
> There seem to be a lot of messages of late on Apple's forums about
> problems with iSync (10.5.4) and even Interface Builder (10.5.3,
> IB3.1beta6) in which this message is reported. Is it perhaps a bug in
> recent versions of the OS rather than in my code?
>
> Hamish
>
> P.S. This question has been asked before, but the OP didn't get an
> answer (http://www.cocoabuilder.com/archive/message/cocoa/2006/12/29/176458)
>
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