Well, coincidentally, we've just started on the SOAP path. After a lot of wailing and gnashing of teeth (as they say), I'm getting my head round it and it seems to be the quickest way to develop these kind of apps. Here's a test client script - to give you an idea:

#!/usr/bin/perl
use strict;
use warnings;
use SOAP::Lite;
use Data::Dumper;

my $hashref = {1 => 'one', 2 => 'two'};
my $arrayref = [1,2,3,4,5,6];

my $args = { hashref  => $hashref,
             arrayref => $arrayref};

my $soap = SOAP::Lite
    -> uri('https://domain.com/LogError')
    -> proxy('https://domain.com/path/to/logging_script');

my $res = $soap->test($args);

print $res->result;
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And here's the test server script - "logging_script" @ "https://domain.com/path/to/logging_script"

#!/usr/bin/perl
use strict;
use warnings;
use SOAP::Transport::HTTP;
use Data::Dumper;

SOAP::Transport::HTTP::CGI
        -> dispatch_to('LogError')
        -> handle;

package LogError;

sub test {
    my ($class,$args) = @_;
    open(LOG,">>log.txt") || return "Can't open log";
    print LOG Data::Dumper::Dumper($args);
    print LOG "-"x60,"\n";
    close(LOG);
    return "Everything's OK";
}
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Basically, I was just testing sending references to the server, and they dump as expected. I had a few minor issues, but that's another story.

I have no experience of POE, but am already pretty impressed with what SOAP::Lite can do. I disagree about it not being popular though - there's quite an active SOAP::Lite community out there if you go looking.

.02

cLive ;-)

update - oops, renamed server sub to make sense.