Re: capture exception

Not really a mod_perl question but you can always wrap your method call 
in an eval

my $ret = eval { $m->...() };

And then check $@ for the error message


On 2017-05-26 02:08 AM, Peng Yonghua wrote:
> greeting,
>
> I am not so good at perl/modperl,:)
>
> In the handler, a method from a class was called, when something dies 
> from within the method, what's the correct way the handler will take?
>
> for example, I wrote this API which works right if given a correct 
> domain name:
>
> http://fenghe.org/domain/?d=yahoo.com
>
> server response:
> var data={"registration":"domain may be taken","domain":"yahoo.com"}
>
> If given a wrong domain name:
>
> http://fenghe.org/domain/?d=yahoo.nonexist
>
> The server returns 500.
>
> This is because, in the handler, I used this module (wrote also by me):
>
> http://search.cpan.org/~pyh/Net-Domain-Registration-Check-0.03/lib/Net/Domain/Registration/Check.pm 
>
>
> And in the module, croak like this was happened,
>
> croak "domain TLD not exists" unless tld_exists($tld);
>
> When handler meets the croak, it dies (I guess) and server returns 500.
>
> How will I make the full system work right? fix on handler, or the 
> module itself?
>
> Thanks.



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