On 9/27/18 11:48 PM, Warren Young wrote:
> I’ve got a long-running Dancer app which froze up today for no obvious 
> reason, with no useful logs either at the Apache front-end proxy level or at 
> the Dancer level.
> 
> If this were a program written in a language that compiles to native code, 
> I’d force a core dump and do a backtrace on the process in a debugger to find 
> out where it got hung up, which would usually tell me how to avoid that 
> problem.
> 
> Is there a way to do that with Perl, and if not, can anyone suggest an 
> alternative?
> 
> My best alternative is to set up some kind of watchdog, but I’d rather avoid 
> the problem in the first place, if possible.

At any rate, you can strace the Dancer process(es) and see what system calls it 
does.

Regards
         Racke

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-- 
Ecommerce and Linux consulting + Perl and web application programming.
Debian and Sympa administration. Provisioning with Ansible.
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