Hello I just started using Dancer, and I find it quite useful for mid-size webpages.
I'm playing with it, but while trying out something like the blog engine in Perl Dancer Advent Calendar,
I came to a problem of my own.
I'm using damog's Dancer::Template::Haml wich is a wrapper for Text::Haml

I will post my app.pm:

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package log;
use Dancer ':syntax';
use DBI;

our $VERSION = '0.1';

my $database = "lib/database.db";

sub connect_db {
    my $dbh = DBI->connect("dbi:SQLite:dbname=".$database) or
    die $DBI::errstr;

    return $dbh;
}

sub exec_sql {
    my $db = connect_db();
    my $sql = "select id, url, title, text from entries where url ='".$_[0]."'";
    my $sth = $db->prepare($sql) or die $db->errstr;
    $sth->execute or die $sth->errstr;
    return $sth->fetchrow_hashref();
    $sth->finish();
}

get '/' => sub {
    layout 'index';
    my $entry = "hola";
    my $field = exec_sql($entry);
    template 'index' => {
       'url' => $field->{url},
       'title' => $field->{title},
       'text' => $field->{text},
    };
};

get '/archive' => sub {
    return "This is the archive.";
};

get '/:entr', sub {
    my $entry = params->{entr};
    my $field = exec_sql($entry);
    template 'entries' => {
       title => $field->{title},
       text => $field->{text},
    };
};

true;

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The everything works correctly when you go to the root directory, everything is output as expected. But
as soon as you go to http://localhost:3000/hola, the output is a run time error with a 404 Error.

Please let me know if you need anymore information.