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Subject Author Date
perl html template error joe 03-11-2008
Posted by joe on March 11, 2008, 10:24 am
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 Hello, I am lerning the html template module and I keep get an error
on this line

$template->param(HEADINGS=>\@headings);


HTML::Template->output() : fatal error in loop output :
HTML::Template : Attempt to set nonexistent parameter 'heading' - this
parameter name doesn't match any declarations in the template file :
(die_on_bad_params => 1) at /usr/lib/perl5/site_perl/5.8.0/HTML/
Template.pm line 2997
at ./one.cgi line 60

It looks like HEADINGS is not part of html::template any ideas on
which module has setting? or is it obsolete?

Posted by sheinrich on March 11, 2008, 11:03 am
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> Hello, I am lerning the html template module and I keep get an error
> on this line
>
> $template->param(HEADINGS=>\@headings);
>
> HTML::Template->output() : fatal error in loop output :
> HTML::Template : Attempt to set nonexistent parameter 'heading' - this
> parameter name doesn't match any declarations in the template file :
> (die_on_bad_params => 1) at /usr/lib/perl5/site_perl/5.8.0/HTML/
> Template.pm line 2997
> at ./one.cgi line 60
>
> It looks like HEADINGS is not part of html::template any ideas on
> which module has setting? or is it obsolete?

You should give us a clue on how you build the content of @headings
and what your template placeholders look like.

The error suggests that your template might have a loop placeholder of
name HEADING (here you are defining HEADINGS instead) or one of the
field names is declared HEADING and this key might be missing from the
records (hash references) inside @headings.

steffen


Posted by J. Gleixner on March 11, 2008, 11:09 am
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joe wrote:
> Hello, I am lerning the html template module and I keep get an error
> on this line
>
> $template->param(HEADINGS=>\@headings);
>
>
> HTML::Template->output() : fatal error in loop output :
> HTML::Template : Attempt to set nonexistent parameter 'heading' - this
> parameter name doesn't match any declarations in the template file :
> (die_on_bad_params => 1) at /usr/lib/perl5/site_perl/5.8.0/HTML/
> Template.pm line 2997
> at ./one.cgi line 60
>
> It looks like HEADINGS is not part of html::template any ideas on
> which module has setting? or is it obsolete?

HTML::Template

Why do you think there is a default variable of HEADINGS?

You have to defined it in your template.

The error is saying that you have a template variable 'heading',
that you're not setting. You can either set it to '', or read
the documentation to learn how to use 'die_on_bad_params'.

Posted by joe on March 13, 2008, 6:07 am
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Thanks, Makes sense. I was going over the tutorial and the template
did not have HEADINGS anywhere.
On Mar 11, 11:09 am, "J. Gleixner" <glex_no-s...@qwest-spam-
no.invalid> wrote:
> joe wrote:
> > Hello, I am lerning the html template module and I keep get an error
> > on this line
>
> > $template->param(HEADINGS=>\@headings);
>
> > HTML::Template->output() : fatal error in loop output :
> > HTML::Template : Attempt to set nonexistent parameter 'heading' - this
> > parameter name doesn't match any declarations in the template file :
> > (die_on_bad_params => 1) at /usr/lib/perl5/site_perl/5.8.0/HTML/
> > Template.pm line 2997
> > at ./one.cgi line 60
>
> > It looks like HEADINGS is not part of html::template any ideas on
> > which module has setting? or is it obsolete?
>
> HTML::Template
>
> Why do you think there is a default variable of HEADINGS?
>
> You have to defined it in your template.
>
> The error is saying that you have a template variable 'heading',
> that you're not setting. You can either set it to '', or read
> the documentation to learn how to use 'die_on_bad_params'.


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