if I use

use Data::Dumper;
and
print Dumper %output;
(in this way?)
I got no output
but if i use : 
use SOAP::Lite +trace;
[download]

on the screen I got this stuff :

SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Transport::DESTROY: ()
SOAP::Deserializer::DESTROY: ()
SOAP::Parser::DESTROY: ()
SOAP::Transport::HTTP::Client::new: ()
SOAP::Lite::call: ()
SOAP::Serializer::envelope: ()
SOAP::Serializer::envelope: runAndWaitFor SOAP::Data=HASH(0x3c3bedc) D
+SM_SP_9849
 libs DSMZ_BACT
SOAP::Data::new: ()
SOAP::Data::new: ()
SOAP::Data::new: ()
SOAP::Data::new: ()
SOAP::Data::new: ()
SOAP::Transport::HTTP::Client::send_receive: HTTP::Request=HASH(0x3bac
+aac)
SOAP::Transport::HTTP::Client::send_receive: POST http://bioinformatic
+s.istge.it
:8080/axis/services/cabri.getBacteriaById HTTP/1.1
Accept: text/xml
Accept: multipart/*
Accept: application/soap
Content-Length: 960
Content-Type: text/xml; charset=utf-8
SOAPAction: ""

<?xml version="1.0" encoding="UTF-8"?><soap:Envelope xmlns:namesp1="ht
+tp://gowla
b.SoaplabServer.ebi.embl.org" xmlns:wsdlsoap="http://schemas.xmlsoap.o
+rg/wsdl/so
ap/" xmlns:apachesoap="http://xml.apache.org/xml-soap" soap:encodingSt
+yle="http:
//schemas.xmlsoap.org/soap/encoding/" xmlns:soap="http://schemas.xmlso
+ap.org/soa
p/envelope/" xmlns:tns1="http://SoaplabShare.ebi.embl.org" xmlns:impl=
+"http://bi
oinformatics.istge.it:8080/axis/services/cabri.getBacteriaById" xmlns:
+wsdl="http
://schemas.xmlsoap.org/wsdl/" xmlns:xsi="http://www.w3.org/2001/XMLSch
+ema-instan
ce" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xs
+d="http://
www.w3.org/2001/XMLSchema"><soap:Body><namesp1:runAndWaitFor><in0 xsi:
+nil="true"
 xsi:type="apachesoap:Map" /><c-gensym4 xsi:type="xsd:string">DSM_SP_9
+849</c-gen
sym4><c-gensym6 xsi:type="xsd:string">libs</c-gensym6><c-gensym8 xsi:t
+ype="xsd:s
tring">DSMZ_BACT</c-gensym8></namesp1:runAndWaitFor></soap:Body></soap
+:Envelope>

SOAP::Transport::HTTP::Client::send_receive: HTTP::Response=HASH(0x3af
+e4ec)
SOAP::Transport::HTTP::Client::send_receive: HTTP/1.1 500 Internal Ser
+ver Error
Connection: close
Date: Mon, 18 Jan 2010 10:58:35 GMT
Server: Apache-Coyote/1.1
Content-Type: text/xml;charset=utf-8
Client-Date: Mon, 18 Jan 2010 11:02:49 GMT
Client-Peer: 10.2.0.92:8080
Client-Response-Num: 1

<?xml version="1.0" encoding="utf-8"?><soapenv:Envelope xmlns:soapenv=
+"http://sc
hemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XM
+LSchema" x
mlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><soapenv:Body><so
+apenv:Faul
t><faultcode>Server.userException</faultcode><faultstring>No such oper
+ation 'run
AndWaitFor'</faultstring><detail><ns1:hostname xmlns:ns1="http://xml.a
+pache.org/
axis/">ml570.istge.it</ns1:hostname></detail></soapenv:Fault></soapenv
+:Body></so
apenv:Envelope>
SOAP::Deserializer::deserialize: ()
SOAP::Parser::decode: ()
SOAP::SOM::new: ()
SOAP::SOM::DESTROY: ()
SOAP::Lite::DESTROY: ()
SOAP::Serializer::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Transport::DESTROY: ()
SOAP::Transport::HTTP::Client::DESTROY: ()
SOAP::Deserializer::DESTROY: ()
SOAP::Parser::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
[download]

I don't know exactly what to do is for the input type definitions !? or the call to the specific operation through the wsdl!? thanks