Josef Chladek wrote:
> hi list,
>
> I have a strange problem, that occurs for some clients, for most not: we
> have a form, that is setup by javascript dynamically (form consits of
> one input field, one textarea and 2 hidden fields)
>
> ...
> form.setAttribute('action','/cat/postings/post_comment');
> form.setAttribute('id','input_form');
> form.setAttribute('name','input_form');
> form.setAttribute('method','post');
> form.setAttribute('enctype','multipart/form-data');
> form.setAttribute('accept-charset','utf-8');
> form.setAttribute('onSubmit', 'return check(' + parent + ')');
> ...
>
> as said, most of the time it works without a problem, but sometimes I
> get the following error:
>
> [error] Caught exception in engine "Wrong Content-Length value: xxx at
> /usr/local/share/perl/5.8.8/Catalyst.pm line 1636"
>
> which is thrown from Enigne.pm
>
> # paranoia against wrong Content-Length header
> my $remaining = $length - $self->read_position;
> if ( $remaining > 0 ) {
> $self->finalize_read($c);
> Catalyst::Exception->throw(
> "Wrong Content-Length value: $length" );
> }
>
> from debugging I found out, that $remaining in fact is $length, so it
> seems, that nothing was read from the post body
>
> HTTP::Body is version 0.9, I changed multipart/form-data to
> application/x-www-form-urlencoded, still no effect.
> to see the form, you have to be logged in, which works fine, I can
> identify the user from the session, so cookie etc. working fine
>
> any clue what could happen here?
>
> thanks
> josefIf the Content-Length really is 0, I've found one thing over the years that does it. Older Mozilla/Netscape versions, usually CompuServe branded versions, would not POST and content of a form if javascript set the forms style to display:none or hidden in CSS. In my case, if was the usual tinkerage of hiding the form and displaying a "Now processing" image when a user clicked the Submit button. To this day, I still get the occasional Content-Length: 0 from these browsers...about 5 a week. Just a thought. -=Chris
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