Re: POST large amount of data causes segmentation fault

You might want to have a look at Apache2::SizeLimit instead
https://perl.apache.org/docs/2.0/api/Apache2/SizeLimit.html

You might decide to limit the count if numbers which get submitted with a
single form.
--
Russell Lundberg
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On Sun, Feb 9, 2020 at 5:57 PM Scott Alexander <[email protected]>
wrote:

> Hi,
>
> I meant I'm posting data from a form, javascript is collecting a series of
> numbers from a <input type=text> as a string.
> Javascript seperates each number with a '/' then I use split within Perl
> to get the list of numbers into an array.
>
> The length of the URL where the data is being posted to is just
> send_message01.pl
> The length of URL is fine.
>
> It's the length of the string being posted which causes problems. If I
> reduce it's length then it works.
>
> I have a <FORM> with list of users and GSM numbers. If that list is about
> 600 users it has worked fine. I was testing with about 4000 users when I
> came across this problem.
>
>
>
>
>
>
> Terveisin/Regards
>
> *Scott Alexander*
> Asiantuntija, järjestelmät  Systems Specialist
>
> Humak
> Humanistinen ammattikorkeakoulu
> University of Applied Sciences
> www.humak.fi
>
> Tel. +358 (0)50 411 9556
>
> [email protected]
>
> ------------------------------
> *From:* Russell Lundberg <[email protected]>
> *Sent:* 09 February 2020 12:12
> *To:* Scott Alexander <[email protected]>
> *Cc:* [email protected] <[email protected]>
> *Subject:* Re: POST large amount of data causes segmentation fault
>
> Scott,
>
> Are you saying that the incoming request has a length of 42,000+
> characters?
>
> Apache docs say 8,192 characters is the maximum length of a URL.
>
> Would it be possible to reduce the length of the request until the
> segmentation fault stops occurring?
> --
> Russell Lundberg
> Latest Blog Post for Telecom Pros:  Are you stuck with a messy mobile
> network?
> <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.linkedin.com%2Fpulse%2Fyou-stuck-messy-mobile-network-russell-lundberg%2F&data=02%7C01%7C%7C2ca2abfe915a4ad6894708d7ad48a4fd%7Ca30a558eb6084b2c8f39a7fa426fa49d%7C0%7C0%7C637168399832316870&sdata=g2VxSCwTl1pz1jweDR6TT0qN9BUHEXxb7n06dcTV634%3D&reserved=0>
> Denver, Colorado +1 (808) 217-6975
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>
> On Sun, Feb 9, 2020 at 4:49 PM Scott Alexander <[email protected]>
> wrote:
>
> Hi,
>
> I have in my code
>
> $req = Apache2::Request->new($r);
>
> My code gets to line 41 then causes a "child pid 13766 exit signal
> Segmentation fault (11)"
>
> $r->log_error("LINE 41") ;
> @number = split /\//, $req->param("numbers") ;
> $r->log_error("LINE 43") ;
>
> the incoming numbers contains a string of mobile numbers which in this
> test is 3900 numbers long and each number is 10-12 characters long.
> javascript tells me the length of the posted string is 42260 characters
> long.
>
> Any idea how to fix this problem?
>
> httpd -v
> Server version: Apache/2.2.15 (Unix)
> Server built:   Jun 19 2018 15:45:13
>
> but I get the same error on the production server which is
>
> Server version: Apache/2.4.6 (CentOS)
> Server built:   Aug  8 2019 11:41:18
>
>
> Terveisin/Regards
>
> *Scott Alexander*
> Asiantuntija, järjestelmät  Systems Specialist
>
> Humak
> Humanistinen ammattikorkeakoulu
> University of Applied Sciences
> www.humak.fi
>
> Tel. +358 (0)50 411 9556
>
> [email protected]
>
>