GNU bug report logs - #38031
26.3; Trying to invoke the macOS File Open window causes Emacs to crash on macOS Catalina

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From: Michael Dixon <dixius99 <at> gmail.com>
To: Alan Third <alan <at> idiocy.org>
Cc: 38031 <at> debbugs.gnu.org, Nathaniel Bass <nw3455 <at> gmail.com>, Stefan Kangas <stefan <at> marxist.se>
Subject: bug#38031: 26.3; Trying to invoke the macOS File Open window causes Emacs to crash on macOS Catalina
Date: Sat, 18 Jan 2020 11:39:02 -0500

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> On Jan 18, 2020, at 10:22 AM, Alan Third <alan <at> idiocy.org> wrote:
> 
> On Fri, Jan 17, 2020 at 06:49:20PM -0500, Michael Dixon wrote:
>> 
>>> On Jan 17, 2020, at 1:53 PM, Alan Third <alan <at> idiocy.org> wrote:
>>> 
>>> On Wed, Jan 15, 2020 at 04:48:56PM -0500, Michael Dixon wrote:
>>>> 
>>>>> 
>>>>> That’s good.
>>>>> 
>>>>> I suppose it just leaves the question of whether we disable this for
>>>>> macOS 10.15, or if we just get rid of it altogether. My understanding
>>>>> is that all it does is allow the use of C-g to quit the file open and
>>>>> save dialogues. I don’t see much reason to keep it, but if anyone
>>>>> actually uses this let me know.
>>>> 
>>>> And sorry, just to complicate things, it looks like the patch fixed
>>>> anything related to File > Open. But I just tried to use the menu to
>>>> do a File > Save as… and that still resulted in a crash. File > Save
>>>> worked fine though.
>>> 
>>> Can you send the crash report for this? It can’t be for the same Classes.
>> 
>> I’m going to attach the macOS crash report, which is just plain text.
>> 
>> The part I can understand does look the same as what I was seeing before:
>> 
>> Application Specific Information:
>> *** Terminating app due to uncaught exception 'NSObjectNotAvailableException', reason: 'EmacsSavePanel is not a supported subclass for sandboxing'
>> abort() called
>> terminating with uncaught exception of type NSException
>> 
>> Is it possible EmacsSavePanel is used somewhere else?
> 
> When I grep the source tree with the patch applied EmacsSavePanel
> isn’t found anywhere. Is it possible the patch didn’t apply correctly?
> Can you do a grep to see if it’s mentioned anywhere?
> -- 
> Alan Third


Good news:

I grepped the source tree, and I noticed EmacsSavePanel mentioned in what I believe were leftovers from previous builds. Files with names like emacs-27.0.60.1, emacs-27.0.60.2, etc., all with modify dates that seemed to align up with dates I would have done a make install. I tried cleaning them up manually (e.g. deleting them), and I was left with the only mentions of EmacsSavePanel being in the change log.

I rebuilt again and this time Save As no longer causes a crash.

I’m sorry Alan for making this such a fiasco.

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