[Unison-hackers] Unison crash

[Steve Kalkwarf]

>On 2 avr. 08, at 19:40, Matthew Alford wrote:
>
>>I've used unison for a long time now and have never encountered this
>>error.  I'm syncing a directory on two local external drives under
>>macos 10.4.  I'm using unison 2.27.55.  Both are formatted macos
>>extended.  When I try to sync the volumes it goes and checks all
>>files on both disks but then comes back with the error in a window:
>>
>>Uncaught exception: *** -[NSCFArray objectAtIndex:]: index (0) beyond
>>bounds (0)
>>
>>Any ideas?

Is it reproducible? Are you gdb savvy?

If both answers are "yes", try this:

Attach to Unison, and set a breakpoint:

     b objc_exception_throw

Perform whatever action causes the error. When the breakpoint is 
hit, get a backtrace:

     bt

That should give Alan some idea where to start looking.