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Re: Rescue http Bad File Descriptor error (EBADF

e

8/28/2006 2:29:00 PM

Horacio Sanson wrote:
> I have a little web spider that scraps several web pages. Sometimes the
> script gets a Bad File Descriptor error and the script bails out.
>
> As far as I can understand this error is an OS (Windows XP) error and
> there
> is nothing ruby can do to avoid it (Maybe XP cannot handle so much http
> connections so rapidly). But I cannot find a way to recover from the
> error.... I don't want the script to bail out, but simply continue with
> the
> next page.
>
> I have tried to rescue and try/catch the error with all imaginable
> exception
> classes, still the script always bails out when this error ocurrs. I
> know
> this error is in the ruby net/http library since I have used Mechanize,
> Http-access2, http-access and all of them suffer from this error.

Did you try this?

begin
# Read stuff etc.
rescue Errno::EBADF
# Whatever
end

> Here are the details of the error
>
> <snip />
>
> This code is executed for each page (100~). Adding rescue or try/catch
> anywhere inside the get_page method or around it when called does not
> catch
> the error... the script always stops when the error ocurrs. Also since
> this
> error is very sporadic I cannot reproduce it making it very difficult to
> debug.
>
> Any tips are very appreciated.
>
> Horacio


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