Hi List,
I have a web application at Dreamhost.com that I'm
trying to convert to fastcgi. Under CGI, the application
runs via perlbrew using a self-compiled perl.
In the Apache 2 error log, I'm getting
[Mon Nov 13 13:31:53 2017] [error] [client 98.150.189.73] Premature end
of script headers: dispatch.fcgi
When I run the script dispatch.fcgi, it brings up the Dancer HTTP server:
HTTP::Server::PSGI: Accepting connections at http://0:5000/
>From the Dreamhost docs[1,2] and using the supplied test
script, I don't need to modify the Apache configuration.
The only changes I made to the original dispatch.cgi --
gleaned from Dancer::Deployment -- were updating the script
name and mod_rewrite rule.
File listings that make up my deployment follow. I don't
grok is how running dispatch.fcgi, which ends in an 'exec',
relates to an existing, persistent Dancer process. Perhaps
Plack::Runner->run() should receive a coderef rather than a
filename? I tried, but received the same the error message.
I greatly welcome any suggestions!
1. https://help.dreamhost.com/hc/en-us/articles/217298967-FastCGI-overview
2. https://help.dreamhost.com/hc/en-us/articles/216512598-Perl-overview
cd dev.childspacemethod.com
ls -l
-rwxrwxr-x 1 childspace pg2527812 81 Nov 13 13:33 dispatch.fcgi
-rw-r--r-- 1 childspace pg2527812 157 Nov 13 12:40 .htaccess
-rwxrwxr-x 1 childspace pg2527812 155 Nov 13 12:47 plack_runner.pl
cat .htaccess
# BEGIN dancer application htaccess
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule (.*) dispatch.fcgi/$1
# END dancer application htaccess
cat dispatch.fcgi
#!/bin/sh
source ~/.bashrc
perlbrew use 5.16.3
exec `dirname $0`/plack_runner.pl
cat plack_runner.pl
#!/usr/bin/env perl
use Modern::Perl;
use Plack::Runner;
use autodie;
chdir '/home/childspace/dev';
Plack::Runner->run('dance.psgi');
cat /home/childspace/dev/dance.psgi
#!/usr/bin/env perl
BEGIN { push @ARGV, qw(--environment=production) }
use Modern::Perl;
use Dancer;
load_app 'Training::Resources';
dance;
--
Joel Roth
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