[pm-h] mod perl and calendar.cgi

Fraser Baker flbaker at sbcglobal.net
Wed May 7 05:39:56 PDT 2014 

OOPS
Forgot to restart Apache. Calendar is running now.
Thanks for the tips.
Fraser

----- Original Message ----- 
From: "Fraser Baker" <flbaker at sbcglobal.net>
To: "Houston.pm located in Houston, TX." <houston at pm.org>
Sent: Tuesday, May 06, 2014 8:06 PM
Subject: Re: [pm-h] mod perl and calendar.cgi


> OK:
>
> Made all calls to CalTemplate the same. Didn't resolve the situation. 
> Error message is
> [Tue May 06 20:01:31 2014] [error] HTML::CalTemplate: No such file or 
> directory at D:/www/wc-admin.com/cgi-bin/event_calendar/calendar.cgi line 
> 135.\n
>
> Why can't the file be found?
>
> I appreciate the problem is in the way mod_perl handles modules, but I am 
> perplexed by this issue.
>
> Thanks for your help.
>
> Fraser
>
> ----- Original Message ----- 
> From: "G. Wade Johnson" <gwadej at anomaly.org>
> To: <houston at pm.org>
> Sent: Tuesday, May 06, 2014 2:12 PM
> Subject: Re: [pm-h] mod perl and calendar.cgi
>
>
>> On Tue, 6 May 2014 12:50:40 -0500
>> "Fraser Baker" <flbaker at sbcglobal.net> wrote:
>>
>>> Hi Wade.
>>> Yes, a sub initialize exists.
>>>
>>>
>>> ----- Original Message ----- 
>>> From: "G. Wade Johnson" <gwadej at anomaly.org>
>>> To: <houston at pm.org>
>>> Sent: Tuesday, May 06, 2014 11:13 AM
>>> Subject: Re: [pm-h] mod perl and calendar.cgi
>>>
>>>
>>> > On Tue, 6 May 2014 10:53:55 -0500
>>> > "Fraser Baker" <flbaker at sbcglobal.net> wrote:
>>> >
>>> >> Some progress, but still not working.
>>> >>
>>> >> Turns out that the problem file "calendar.cgi" was using a locally
>>> >> installed liteweight version of template.pm.
>>> >
>>> > Okay. That would make some sense.
>>> >
>>> >> I renamed the file CalTemplate.pm and put it into the site/lib/HTML
>>> >> folder. I changed the package name in this file to CalTemplate.pm
>>> >>
>>> >> The %INC shows:
>>> >> For HTML/CalTemplate.pm value is
>>> >> C:/Perl/site/lib/HTML/CalTemplate.pm
>>> >>
>>> >> The use statement in calendar.cgi is
>>> >> use HTML::CalTemplate;
>>> >>
>>> >> The use directive finds and appears to load the file, but the same
>>> >> line as before can't find initialize
>>> >> [Tue May 06 10:15:30 2014] [error] Can't locate object method
>>> >> "initialize" via package "HTML::CalTemplate" (perhaps you forgot to
>>> >> load "HTML::CalTemplate"?) at
>>> >> D:/www/wc-admin.com/cgi-bin/event_calendar/calendar.cgi line 131.\n
>>> >
>>> >
>>> > Just to verify the obvious, is there an initialize() sub in
>>> > CalTemplate.pm?
>>> >
>>> > G. Wade
>>> >
>>> >> The offending line 131 is
>>> >> my $tmpl = CalTemplate->initialize( $directives->{'template'} ||
>>> >> 'calendar.html' );
>>
>> This is a bit suspicious.
>>
>> Is the package name "CalTemplate" or "HTML::CalTemplate"? You are using
>> one name for the 'use' statement and another for the initialize call.
>>
>> Just to be clear:
>>
>> 1. The code that loads the module (calendar.cgi) should contain:
>>
>> use HTML::CalTemplate;
>>
>> 2. The call to initialize should be:
>>
>> my $tmpl = HTML::CalTemplate->initialize( ... );
>>
>> 3. The package declaration inside C:/Perl/site/lib/HTML/CalTemplate.pm
>> should be:
>>
>> package HTML::CalTemplate;
>>
>> All three of these must match (including case) or Perl won't find the
>> right namespaces. This would give exactly the behavior you describe.
>>
>> G. Wade
>>
>>> >> Obviously, my understanding about mod_perl and now OOP is limited,
>>> >> so any comments?
>>> >>
>>> >> Fraser
>>> >>
>>> >> ----- Original Message ----- 
>>> >> From: "G. Wade Johnson" <gwadej at anomaly.org>
>>> >> To: <houston at pm.org>
>>> >> Sent: Monday, May 05, 2014 11:40 AM
>>> >> Subject: Re: [pm-h] mod perl and calendar.cgi
>>> >>
>>> >>
>>> >> > On Mon, 5 May 2014 09:09:11 -0500
>>> >> > "Fraser Baker" <flbaker at sbcglobal.net> wrote:
>>> >> >
>>> >> >> Hi:
>>> >> >>
>>> >> >> OK, I had two copies of HTML::Template, one in Site and the
>>> >> >> other came with PERL. I removed the one in Site and this made no
>>> >> >> difference.
>>> >> >>
>>> >> >> Reading a bit, always dangerous, I find that find that the page
>>> >> >> http://www.devshed.com/c/a/perl/getting-started-with-the-perl-template-toolkit/
>>> >> >> talks about installing Apache::Template.
>>> >> >>
>>> >> >> Is this what I need to do? I really need to resolve this issue.
>>> >> >> There must be someone out there that can help me resolve this.
>>> >> >
>>> >> > Hi Fraser,
>>> >> >
>>> >> > Template Toolkit is completely different from HTML::Template.
>>> >> > Apache::Template works with Template Toolkit, so installing it
>>> >> > would not help your issue. (Unless you wanted to rewrite
>>> >> > everything you are doing in Template instead of HTML::Template.
>>> >> > <jk/>)
>>> >> >
>>> >> > G. Wade
>>> >> >
>>> >> >> Fraser
>>> >> >>
>>> >> >> ----- Original Message ----- 
>>> >> >> From: "B. Estrade" <estrabd at gmail.com>
>>> >> >> To: "Houston.pm located in Houston, TX." <houston at pm.org>
>>> >> >> Sent: Friday, April 25, 2014 7:51 PM
>>> >> >> Subject: Re: [pm-h] mod perl and calendar.cgi
>>> >> >>
>>> >> >>
>>> >> >> > On Fri, Apr 25, 2014 at 1:44 PM, G. Wade Johnson
>>> >> >> > <gwadej at anomaly.org> wrote:
>>> >> >> >> On Fri, 25 Apr 2014 12:09:59 -0500
>>> >> >> >> "Fraser Baker" <flbaker at sbcglobal.net> wrote:
>>> >> >> >>
>>> >> >> >>> OK:
>>> >> >> >>>
>>> >> >> >>> For the server that is NOT running mod_perl
>>> >> >> >>> INCLUDED DATA ARRAY is
>>> >> >> >>> Term is C:/Perl/site/lib
>>> >> >> >>> Term is C:/Perl/lib
>>> >> >> >>> Term is .
>>> >> >> >>>
>>> >> >> >>> For the server that IS running mod_perl
>>> >> >> >>>
>>> >> >> >>> INCLUDED DATA ARRAY is
>>> >> >> >>> Term is D:/www/wc-admin.com/cgi-bin
>>> >> >> >>> Term is C:/Perl/site/lib
>>> >> >> >>> Term is C:/Perl/lib
>>> >> >> >>> Term is .
>>> >> >> >>> Term is C:/Program Files/Apache Software
>>> >> >> >>> Foundation/Apache2.2
>>> >> >> >>
>>> >> >> >> Okay. This gives us some stuff to work with.
>>> >> >> >>
>>> >> >> >> Check each of the directories in the two sets of paths for
>>> >> >> >> HTML/Template.pm. This might show more than one
>>> >> >> >> HTML::Template module installed.
>>> >> >> >
>>> >> >> > Or none at all. Make sure HTML::Template is installed.
>>> >> >> >
>>> >> >> >>
>>> >> >> >> Next, check to see if you have the same version of
>>> >> >> >> HTML::Template on both machines. I had somehow missed earlier
>>> >> >> >> that these were two separate machines. (Brain fail)
>>> >> >> >>
>>> >> >> >
>>> >> >> > /me too... oopsie
>>> >> >> >
>>> >> >> >> You'll want to verify that there is only one version of
>>> >> >> >> HTML::Template on each server and that the versions on the
>>> >> >> >> two servers match.
>>> >> >> >>
>>> >> >> >> If the one that works is older than the one that doesn't,
>>> >> >> >> upgrading will require code changes to match the newer
>>> >> >> >> module. If the one that works is the newer version, you can
>>> >> >> >> upgrade the version and the problem should be solved.
>>> >> >> >>
>>> >> >> >> G. Wade
>>> >> >> >>
>>> >> >> >>
>>> >> >> >>> I don't see anything here. Where to go from here?
>>> >> >> >
>>> >> >> > Is this mod_perl or mod_perl2? I am not familiar with any of
>>> >> >> > this on Windows unfortunately.  You could create a barebones
>>> >> >> > script that just tries to include HTML::Template using one
>>> >> >> > directory in @INC at a time. mod_perl also does funky things
>>> >> >> > with applications that are not meant to be run persistently -
>>> >> >> > so if this is the case there are request "handlers" that are
>>> >> >> > meant to restart or recompile/restart for each request.
>>> >> >> >
>>> >> >> > Unfortunately it could be a tedious process to track it down,
>>> >> >> > but I think wade's put you on the right track.
>>> >> >> >
>>> >> >> > Brett
>>> >> >> >
>>> >> >> >>>
>>> >> >> >>> Fraser
>>> >> >> >>>
>>> >> >> >>>
>>> >> >> >>> ----- Original Message -----
>>> >> >> >>> From: "G. Wade Johnson" <gwadej at anomaly.org>
>>> >> >> >>> To: <houston at pm.org>
>>> >> >> >>> Sent: Friday, April 25, 2014 11:25 AM
>>> >> >> >>> Subject: Re: [pm-h] mod perl and calendar.cgi
>>> >> >> >>>
>>> >> >> >>>
>>> >> >> >>> > On Fri, 25 Apr 2014 08:23:59 -0500
>>> >> >> >>> > "Fraser Baker" <flbaker at sbcglobal.net> wrote:
>>> >> >> >>> >
>>> >> >> >>> >> Hi Brett:
>>> >> >> >>> >>
>>> >> >> >>> >> Turns out that for the mod_perl server, there are some
>>> >> >> >>> >> 165 entries in %INC whereas for the not mod-perl server
>>> >> >> >>> >> there is only one.
>>> >> >> >>> >
>>> >> >> >>> > Hi Fraser,
>>> >> >> >>> >
>>> >> >> >>> > There are 2 different things here.
>>> >> >> >>> >
>>> >> >> >>> > @INC contains a list of directories that perl searches for
>>> >> >> >>> > modules. %INC contains entries for each module that is
>>> >> >> >>> > loaded.
>>> >> >> >>> >
>>> >> >> >>> > I believe the suggestion was to check @INC to see if a
>>> >> >> >>> > module is loaded from a location you are not expecting.
>>> >> >> >>> >
>>> >> >> >>> > G. Wade
>>> >> >> >>> >
>>> >> >> >>> >> The %ENV is larger by about 5 entries on the mod_perl
>>> >> >> >>> >> machine.
>>> >> >> >>> >>
>>> >> >> >>> >> OK, where do I go from here.
>>> >> >> >>> >>
>>> >> >> >>> >> Fraser
>>> >> >> >>> >>
>>> >> >> >>> >> ----- Original Message -----
>>> >> >> >>> >> From: "B. Estrade" <estrabd at gmail.com>
>>> >> >> >>> >> To: "Houston.pm located in Houston, TX." <houston at pm.org>
>>> >> >> >>> >> Sent: Tuesday, April 22, 2014 10:15 AM
>>> >> >> >>> >> Subject: Re: [pm-h] mod perl and calendar.cgi
>>> >> >> >>> >>
>>> >> >> >>> >>
>>> >> >> >>> >> > Just a hunch, but I'd look to see how mod_perl affected
>>> >> >> >>> >> > your environment. namely @INC.
>>> >> >> >>> >> >
>>> >> >> >>> >> > Brett
>>> >> >> >>> >> >
>>> >> >> >>> >> > On Tue, Apr 22, 2014 at 9:47 AM, Fraser Baker
>>> >> >> >>> >> > <flbaker at sbcglobal.net> wrote:
>>> >> >> >>> >> >> Hi y'all:
>>> >> >> >>> >> >>
>>> >> >> >>> >> >> Before I added mod-perl, calendar.cgi worked.
>>> >> >> >>> >> >>
>>> >> >> >>> >> >> After mod perl I get this error:
>>> >> >> >>> >> >>
>>> >> >> >>> >> >> [Tue Apr 22 09:28:35 2014] [error] Can't locate object
>>> >> >> >>> >> >> method "initialize"
>>> >> >> >>> >> >> via package "HTML::Template" at
>>> >> >> >>> >> >> D:/www/wc-admin.com/cgi-bin/event_calendar/calendar.cgi
>>> >> >> >>> >> >> line 131.\n
>>> >> >> >>> >> >>
>>> >> >> >>> >> >> The offending line in calendar.cgi is:
>>> >> >> >>> >> >>
>>> >> >> >>> >> >> my
>>> >> >> >>> >> >>
>>> >> >> >>> >> >> $tmpl =
>>> >> >> >>> >> >> HTML::Template->initialize( $directives->{'template'}
>>> >> >> >>> >> >> || 'template.html' );
>>> >> >> >>> >> >>
>>> >> >> >>> >> >> I searched template.pm and don't find a function named
>>> >> >> >>> >> >> initialize. I do find
>>> >> >> >>> >> >>
>>> >> >> >>> >> >> # initialize the template buffer
>>> >> >> >>> >> >> sub _init_template {
>>> >> >> >>> >> >>
>>> >> >> >>> >> >> How do I fix this?
>>> >> >> >>> >> >>
>>> >> >> >>> >> >> Fraser
>>> >> >> >>
>>> >> >> >>
>>> >> >> >> --
>>> >> >> >> If debugging is the process of removing software bugs, the
>>> >> >> >> programming must be the process of putting them in.
>>> >> >> >> -- Edsger Dijkstra
>>> >> >> >> _______________________________________________ Houston
>>> >> >> >> mailing list Houston at pm.org
>>> >> >> >> http://mail.pm.org/mailman/listinfo/houston
>>> >> >> >> Website: http://houston.pm.org/
>>> >> >> > _______________________________________________
>>> >> >> > Houston mailing list
>>> >> >> > Houston at pm.org
>>> >> >> > http://mail.pm.org/mailman/listinfo/houston
>>> >> >> > Website: http://houston.pm.org/
>>> >> >>
>>> >> >> _______________________________________________
>>> >> >> Houston mailing list
>>> >> >> Houston at pm.org
>>> >> >> http://mail.pm.org/mailman/listinfo/houston
>>> >> >> Website: http://houston.pm.org/
>>> >> >
>>> >> >
>>> >> > -- 
>>> >> > Fortune knocks but once, but misfortune has much more patience.
>>> >> >                                                -- Laurence J.
>>> >> > Peter _______________________________________________
>>> >> > Houston mailing list
>>> >> > Houston at pm.org
>>> >> > http://mail.pm.org/mailman/listinfo/houston
>>> >> > Website: http://houston.pm.org/
>>> >>
>>> >> _______________________________________________
>>> >> Houston mailing list
>>> >> Houston at pm.org
>>> >> http://mail.pm.org/mailman/listinfo/houston
>>> >> Website: http://houston.pm.org/
>>> >
>>> >
>>> > -- 
>>> > Sufficiently encapsulated magic is technology.   -- Michael Schwern
>>> > _______________________________________________
>>> > Houston mailing list
>>> > Houston at pm.org
>>> > http://mail.pm.org/mailman/listinfo/houston
>>> > Website: http://houston.pm.org/
>>>
>>> _______________________________________________
>>> Houston mailing list
>>> Houston at pm.org
>>> http://mail.pm.org/mailman/listinfo/houston
>>> Website: http://houston.pm.org/
>>
>>
>> -- 
>> The computer should be doing the hard work. That's what it's paid to do,
>> after all.                                            -- Larry Wall
>> _______________________________________________
>> Houston mailing list
>> Houston at pm.org
>> http://mail.pm.org/mailman/listinfo/houston
>> Website: http://houston.pm.org/
>
> _______________________________________________
> Houston mailing list
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> Website: http://houston.pm.org/

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