Re: Upgrading 32-bit Mac apps to 64-bit

You have something in your code that is not truly 64 bit compatible. Maybe you are using a 32 bit integer some place where you should be using 64 bit. 

There's not much that one can tell from that. But it looks to me like some object isn't closing correctly. 

You don't have to do much to make 64 bit work. But you do have to adjust some things. 

I would try stepping through the code when closing your app to find the thing causing the problem. It has likely always been there but Xojo and the 32 bit framework was a little more forgiving. 

Sent from my iPhone

> On May 20, 2017, at 11:00 AM, Paul Young <[email protected]> wrote:
> 
> I am using a MacBook Pro running macOS Sierra Version 10.12.4 to upgrade my first six 32-bits Mac apps to 64-bits.
> 
> Each of the six apps worked fine when compiled for 32-bits.
> 
> Because my Mac Xojo license expired late last year, I used Xojo 2017 Release 1.1 to test the apps in the IDE for 64-bits and then compiled them for 64-bits using Xojo 2016 Release 3.
> 
> Launching each app twenty times, I recorded an exception upon close 20% to 50% of the time.
> 
> The Console log shows: “Service exited dur to signal: Segmentation fault: 11 sent by exc handler (0).
> 
> Can someone tell me in simple English what this means?
> 
> Thanks in advance.
> 
> Paul Young, CSoM
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> 
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> 
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