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Post new topic   Forum Index -> Coding & Scripting Corner View previous topic :: View next topic
Reply to topic   Topic: Cannot run perl script with mod_fcgid
Author
roeya



Joined: 26 Feb 2008
Posts: 5

PostPosted: Tue 26 Feb '08 18:09    Post subject: Cannot run perl script with mod_fcgid Reply with quote

I have a perl script that run ok using FastCGI & Apache2, However when
I tried to convert to mod_fcgid I get many

Code:
[Tue Feb 26 16:56:24 2008] [error] (OS 2)The system cannot find the file specified.  : mod_fcgid: can't create process
[Tue Feb 26 16:56:24 2008] [warn] (OS 2)The system cannot find the file specified.  : mod_fcgid: spawn process /usr/bin/perl error

ended by
Code:
[Tue Feb 26 16:56:24 2008] [warn] mod_fcgid: can't apply process slot for /usr/bin/perl


I the configuration is working for none perl fastcgi executables

Here is the configuration
Code:
LoadModule fcgid_module modules/mod_fcgid.so


and the following setting for fcgid:

Code:
<IfModule mod_fcgid.c>
   IPCCommTimeout 300
   IPCConnectTimeout 20
   MaxProcessCount 18
   OutputBufferSize 64
   ProcessLifeTime 3600
   MaxRequestsPerProcess 200
</IfModule>

Alias /products/gui/4/ "C:/www/gui/4/"

<Directory "C:/www/gui/4">
    Options Indexes +ExecCGI
     AllowOverride None
    Order allow,deny
    Allow from all
    AddHandler cgi-script .pl
    AddHandler fcgid-script .fpl
</Directory>


Agian when using FastCGI it works fine converting to mod_fcgid can run fastcgi executables but not perl scripts

I did one more thing: the first line was:
Quote:
#!/usr/bin/perl


and it runs fine as regular cgi !

I converted it to
Quote:
#!/usr/bin/perl.exe


now I get

Quote:
[Tue Feb 26 17:59:10 2008] [warn] (OS 109)The pipe has been ended. : mod_fcgid: get overlap result error
[Tue Feb 26 17:59:10 2008] [error] [client 127.0.0.1] Premature end of script headers: main_display.fpl


What am I missing ?


Last edited by roeya on Thu 28 Feb '08 15:44; edited 1 time in total
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7288
Location: Germany, Next to Hamburg

PostPosted: Tue 26 Feb '08 18:54    Post subject: Reply with quote

Does C:\usr\bin\perl exist? I think you have to change the shebang line to where ever your perl is.
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roeya



Joined: 26 Feb 2008
Posts: 5

PostPosted: Tue 26 Feb '08 19:33    Post subject: Reply with quote

James Blond wrote:
Does C:\usr\bin\perl exist? I think you have to change the shebang line to where ever your perl is.


c:\usr\bin\perl.exe exists - we install perl in usr directory this way the same script runs on our win32 platform and on our FreeBSD platforms

And as I said the script runs fine as regular CGI. so no problem on the #! line
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PipoDeClown



Joined: 20 Dec 2005
Posts: 77

PostPosted: Wed 27 Feb '08 18:55    Post subject: Reply with quote

maybe:
Code:

    <Directory "/www/gui/4">
        Options ExecCGI Indexes
        AllowOverride None
        Order allow,deny
        Allow from all
        DirectoryIndex index.html

        <FilesMatch "\.fpl$">
            SetHandler fcgid-script
            FCGIWrapper "/usr/bin/perl.exe" .fpl
        </FilesMatch>
    </Directory>

or something...
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roeya



Joined: 26 Feb 2008
Posts: 5

PostPosted: Fri 24 Feb '12 15:21    Post subject: mod_fcgid & Perl - not working even after 4 years... Reply with quote

Hi,

This problem is annoying me again and again even after 4 years with no solution.

Does anyone wants to fix it ?
I am willing to pay money for a fix !
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7288
Location: Germany, Next to Hamburg

PostPosted: Fri 24 Feb '12 15:57    Post subject: Reply with quote

I figured out, that Active Perl which I use doe not offer an API for Fast CGI technic. As far I know there is only a CPAN Fast cgi API to IIS, but not apache yet.

Maybe one of the CPAN modules work like
http://search.cpan.org/dist/WebDyne-Request-FastCGI-1.021/
or
http://search.cpan.org/dist/FCGI-0.74/
or
http://search.cpan.org/dist/AnyEvent-FCGI-0.04/
or
http://search.cpan.org/dist/App-FastishCGI-0.002/

I haven't tried out one of these since I use perl only randomly and only if I have no other choise Wink
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matlads



Joined: 14 Aug 2012
Posts: 1
Location: Uganda, Kampala

PostPosted: Tue 14 Aug '12 18:48    Post subject: Reply with quote

I have this setup on my development setup, and something very similar in production.

in my httpd.conf I have this:

Code:
LoadModule fcgid_module

<IfModule fcgid_module>
  SocketPath /var/lib/apache2/fcgid/
  IPCConnectTimeout 10
  IPCCommTimeout 40
  AddHandler fcgid-script .fcgi

  Alias /fcgi-bin /srv/www/fcgi-bin
  <Directory /srv/www/fcgi-bin>
    SetHandler fcgid-script
    Options +ExecCGI
    Order allow,deny
    Allow from all
  </Directory>
</IfModule>


and I have this test perl script called /srv/www/fcgi-bin/md.pl

Code:
#!/usr/bin/perl

use DBI;
use CGI::Fast qw(:standard);
use strict;
   
my $dsn = "dbi:Pg:database=development";
my $dbh = DBI->connect($dsn, "postgres", "password", {RaiseError => 1, AutoCommit => 0});
my $sql = "SELECT id,name,module_id FROM modules WHERE LOWER(name) = ?";
my $sth = $dbh->prepare($sql);

while (my $q = CGI::Fast->new) {   
   my $name = $q->param('name') || 'default';
   $sth->execute( lc($name) );
   my $details = $sth->fetchall_arrayref();

   print("Content-Type: text/plain\n\n");
   foreach my $detail (@$details) {
      print "id: $detail->[0], name: $detail->[1], module_id: $detail->[2]\n";
   }
}
$dbh->disconnect();
exit (1);
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7288
Location: Germany, Next to Hamburg

PostPosted: Thu 16 Aug '12 17:32    Post subject: Reply with quote

And your question or suggestion is?
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simonclark



Joined: 02 Feb 2013
Posts: 1
Location: Germany

PostPosted: Sat 02 Feb '13 11:31    Post subject: Reply with quote

James Blond wrote:
I figured out, that Active Perl which I use doe not offer an API for Fast CGI technic. As far I know there is only a CPAN Fast cgi API to IIS, but not apache yet.

Maybe one of the CPAN modules work like
http://search.cpan.org/dist/WebDyne-Request-FastCGI-1.021/
or
http://search.cpan.org/dist/FCGI-0.74/
or
http://search.cpan.org/dist/AnyEvent-FCGI-0.04/
or
http://search.cpan.org/dist/App-FastishCGI-0.002/

I haven't tried out one of these since I use perl only randomly and only if I have no other choise Wink


Thanks to you and god also because i had this type of problem so after many time , i found out thread who will gave me the full solution of my problem . so thanks once again .
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Piotr_CA



Joined: 04 Jun 2013
Posts: 1
Location: Poland

PostPosted: Thu 06 Jun '13 9:04    Post subject: Reply with quote

Hi,

Can you describe the whole solution? I mean example of Apache configuration and example of perl script that presents working FastCGI/FCGI on Windows' environment?

Best regards,
Piotr
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xinush



Joined: 25 Dec 2013
Posts: 1

PostPosted: Wed 25 Dec '13 17:28    Post subject: Reply with quote

Hi,

A possible workaround to run apache + mod_fcgid + perl on a windows platform, similar to FCGI::IIS approach:

1. Create a wrapper module and save it into a proper location (ie. C:\perl\site\lib\FCGI or C:\strawberry\perl\site\lib\FCGI, etc.)

Code:

package FCGI::CgiWrapper;

use strict;
use warnings;
use FCGI;

our $REQCNT=0;
sub import {
    my $request = FCGI::Request();
    while($request->Accept() >= 0) {
        $REQCNT++;
        package main;
        do ($ENV{'SCRIPT_FILENAME'}) if ($ENV{'SCRIPT_FILENAME'});
        undef @CGI::QUERY_PARAM;
    }
}
1;



2. Apache configuration for fcgi and perl

Code:

...(other fcgi confs)...
SetHandler fcgid-script .pl
FcgidWrapper "C:/perl/bin/perl.exe -MFCGI::CgiWrapper" .pl



3. A sample perl script

Code:

package mytest;

use strict;
use CGI;

my $cgi = new CGI;

our $our_counter;
my $my_counter;

print $cgi->header("text/html"),$cgi->start_html("Perl Test");
print $cgi->h1("Perl is working!");

print "our_counter=".(++$our_counter)."<br>";
print "my_counter=".(++$my_counter)."<br>";
print "FCGI::CgiWrapper::REQCNT=".($FCGI::CgiWrapper::REQCNT)."<br>";
print "param=".$cgi->param('param')."<br>";

1;


Hope this is useful~
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