Very informative.

What I find unusual here is that “expected” debug logging includes a stack 
trace.

In my thinking the presence of a stack trace in the debug console indicates a 
problem. Is anyone aware of normal and expected debug logging by the frameworks 
that includes a stack trace? If not that might be a bug report worth submitting.

--Richard Charles

> On Apr 6, 2017, at 7:47 PM, John Brownie <john_brow...@sil.org> wrote:
> 
> I saw this issue last October, and filed bug 28977266. I then had this 
> response from Apple:
> 
>> Engineering has the following feedback for you:
>> 
>> This is logged at the debug level, if you are debugging an app (this looks 
>> to be the case here) and an SFL gets removed then this is expected behavior 
>> even for external users.
>> 
>> Thank you for your feedback. Engineering has determined that this issue 
>> behaves as intended.
>> 
>> We are now closing this bug report.
>> 
>> If you just have questions about the resolution, then please update your bug 
>> report with that information so we can respond.
>> 
> So I don't think you need to worry about it.
> 
> John
>> Richard Charles 6 April 2017 at 06:27
>> Since switching to macOS 10.12 Sierra I am getting tons of document handling 
>> messages in the Xcode debug console for my document based application.
>> 
>> // Delete existing document then launch app.
>> 
>> 2017-04-05 13:58:13.795408 MyApp[42310:2124840]
>> Item: myFile [9FC1873C-34CA-4E66-9155-99480B47CB11]
>> - URL:file:///Users/richard/Desktop/myFile
>> 1 SharedFileList 0x00007fffa0089549 -[SFLList removeItem:] + 57
>> 2 SharedFileList 0x00007fffa009d089 LSSharedFileListItemRemove + 176
>> 3 Foundation 0x00007fffa061f2d9 
>> __NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ + 7
>> 4 Foundation 0x00007fffa061efbc -[NSBlockOperation main] + 101
>> 5 Foundation 0x00007fffa061d6e4 -[__NSOperationInternal _start:] + 672
>> 6 Foundation 0x00007fffa061959b __NSOQSchedule_f + 201
>> 7 libdispatch.dylib 0x00000001013b9f5c _dispatch_client_callout + 8
>> 8 libdispatch.dylib 0x00000001013d1a59 _dispatch_queue_serial_drain + 205
>> 9 libdispatch.dylib 0x00000001013c3489 _dispatch_queue_invoke + 1174
>> 10 libdispatch.dylib 0x00000001013bc1d7 _dispatch_root_queue_drain + 671
>> 11 libdispatch.dylib 0x00000001013bbee8 _dispatch_worker_thread3 + 114
>> 12 libsystem_pthread.dylib 0x000000010143189a _pthread_wqthread + 1299
>> 13 libsystem_pthread.dylib 0x0000000101431375 start_wqthread + 13
> -- 
> John Brownie
> In Australia on furlough from SIL Papua New Guinea

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