Can't locate object method "request" via package "1" (perhaps you forgot to load "1"?) at /usr/local/share/perl/5.18.2/LWP/UserAgent.pm line 216.

##</code><code>##

#!/usr/bin/env perl

use strict;
use warnings;

use LWP::UserAgent;
use Data::Dumper;

my $ua = LWP::UserAgent->new;

$ua->add_handler('request_send', \&pp_dump);

$ua->post("http://google.com");

sub pp_dump {
    print Dumper @_;
}

##</code><code>##

#!/usr/bin/env perl
use strict;
use warnings;

use 5.010;

use SOAP::Lite;
SOAP::Lite->import(+trace => 'all');

use Data::Dumper;

my $client = SOAP::Lite->proxy($proxy)
    ->ns($namespace, 'foo')
    ->uri($uri)
    ->on_action(sub { sprintf '%s', $_[0] })
    ->on_fault(sub {
       my($soap, $result) = @_;
       die ref $result ?
        "Fault Code: " . $result->faultcode . "\n" 
            .  "Fault String: " . $result->faultstring . "\n"
        : $soap->transport->status, "\n";
     });

my $params = { foo => 'bar', biz => 'baz'};

# does not cause error
# $client->transport->add_handler("request_prepare", \&pp_dump );

# causes error
$client->transport->add_handler("request_send", \&pp_dump );

my $result = $client->call('my_api_method' => $params);

sub pp_dump {
    print Dumper @_;
}