【求助】关于生物信息学的web services问题

我现在要用一个网络服务，它的wsdl如下：
http://www.ebi.ac.uk/webservices/whatizit/ws?wsdl
这个服务的网络地址是
http://www.ebi.ac.uk/webservices/whatizit/info.jsf
我简单介绍一下，这个服务是文本处理，将你提交的文本中的基因、药物、疾病或者是蛋白质的信息标注出来，这个参数是由你自己选择的。我只需用到其中的一个方法contact，参数有三个，pipelineName、text和convertToHtml，其中pipelineName就是选择标注基因，还是蛋白质，还是疾病，text就是你要输入的文本信息，convertToHtml控制输出格式为Html还是XML。
我编写的程序如下：
#!/usr/bin/perl -w
use strict;
use SOAP::Lite;
my $str='Quercetin, a ubiquitous bioactive plant flavonoid, has been shown to inhibit the proliferation of cancer cells and induce the accumulation of hypoxia-inducible factor-1alpha (HIF-1alpha) in normoxia. In this study, under hypoxic conditions (1% O(2)), we examined the effect of quercetin on the intracellular level of HIF-1alpha and extracellular level of vascular endothelial growth factor (VEGF) in a variety of human cancer cell lines. Surprisingly, we observed that quercetin suppressed the HIF-1alpha accumulation during hypoxia in human prostate cancer LNCaP, colon cancer CX-1, and breast cancer SkBr3 cells. Quercetin treatment also significantly reduced hypoxia-induced secretion of VEGF. Suppression of HIF-1alpha accumulation during treatment with quercetin in hypoxia was not prevented by treatment with 26S proteasome inhibitor MG132 or PI3K inhibitor LY294002. Interestingly, hypoxia (1% O(2)) in the presence of 100 microM quercetin inhibited protein synthesis by 94% during incubation for 8 h. Significant quercetin concentration-dependent inhibition of protein synthesis and suppression of HIF-1alpha accumulation were observed under hypoxic conditions. Treatment with 100 microM cycloheximide, a protein synthesis inhibitor, replicated the effect of quercetin by inhibiting HIF-1alpha accumulation during hypoxia. These results suggest that suppression of HIF-1alpha accumulation during treatment with quercetin under hypoxic conditions is due to inhibition of protein synthesis. J. Cell. Biochem. (c) 2008 Wiley-Liss, Inc.';
my $whatizit=SOAP::Lite -> service('http://www.ebi.ac.uk/webservices/whatizit/ws?wsdl');
my %parameters=();
$parameters{'pipelineName'}='whatizitSwissprotGo2';
$parameters{'text'}=$str;
$parameters{'convertToHtml'}='false';
print $whatizit->contact(
             SOAP:ata->name('parameters')->type(map=>\%parameters)
             );
但是怎么也得不到结果，请各位高手指点迷津。

我用SOAP::Lite +trace;
报的错是
Unquoted string "trace" may clash with future reserved word at C:/Documents and Settings/Administrator/桌面/libiqing/Whatizit/wsdl_whatizit.pl line 4.
SOAP::Transport::new: ()
SOAP::Serializer::new: ()
SOAP:eserializer::new: ()
SOAP:arser::new: ()
SOAP::Lite::new: ()
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SOAP::Schema::new: ()
SOAP:eserializer::deserialize: ()
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SOAP::Transport::new: ()
SOAP::Serializer::new: ()
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SOAP:arser::new: ()
SOAP::Lite::new: ()
SOAP::Data::DESTROY: ()
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SOAP::Serializer::DESTROY: ()
SOAP::Transport::DESTROY: ()
SOAP::Deserializer::DESTROY: ()
SOAP:arser::DESTROY: ()
SOAP::Data::new: ()
SOAP::Transport::HTTP::Client::new: ()
SOAP::Lite: ()
SOAP::Serializer::envelope: ()
SOAP::Serializer::envelope: contact SOAP::Data=HASH(0x1f0e34c)
SOAP::Data::new: ()
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SOAP::Transport::HTTP::Client::send_receive: HTTP::Request=HASH(0x1e73ba
SOAP::Transport::HTTP::Client::send_receive: POST http://www.ebi.ac.uk:80/webservices/whatizit/ws
Accept: text/xml
Accept: multipart/*
Content-Length: 2360
Content-Type: text/xml; charset=utf-8
SOAPAction: ""

<?xml version="1.0" encoding="UTF-8"?><SOAP-ENV:Envelope xmlns:apachens="http://xml.apache.org/xml-soap" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlnssi="http://www.w3.org/1999/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlnssd="http://www.w3.org/1999/XMLSchema" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><SOAP-ENV:Body><contact xmlns=""><parameters xsi:type="apachens:Map"><item><key xsi:type="xsd:string">text</key><value xsi:type="xsd:string">Quercetin, a ubiquitous bioactive plant flavonoid, has been shown to inhibit the proliferation of cancer cells and induce the accumulation of hypoxia-inducible factor-1alpha (HIF-1alpha) in normoxia. In this study, under hypoxic conditions (1% O(2)), we examined the effect of quercetin on the intracellular level of HIF-1alpha and extracellular level of vascular endothelial growth factor (VEGF) in a variety of human cancer cell lines. Surprisingly, we observed that quercetin suppressed the HIF-1alpha accumulation during hypoxia in human prostate cancer LNCaP, colon cancer CX-1, and breast cancer SkBr3 cells. Quercetin treatment also significantly reduced hypoxia-induced secretion of VEGF. Suppression of HIF-1alpha accumulation during treatment with quercetin in hypoxia was not prevented by treatment with 26S proteasome inhibitor MG132 or PI3K inhibitor LY294002. Interestingly, hypoxia (1% O(2)) in the presence of 100 microM quercetin inhibited protein synthesis by 94% during incubation for 8 h. Significant quercetin concentration-dependent inhibition of protein synthesis and suppression of HIF-1alpha accumulation were observed under hypoxic conditions. Treatment with 100 microM cycloheximide, a protein synthesis inhibitor, replicated the effect of quercetin by inhibiting HIF-1alpha accumulation during hypoxia. These results suggest that suppression of HIF-1alpha accumulation during treatment with quercetin under hypoxic conditions is due to inhibition of protein synthesis. J. Cell. Biochem. (c) 2008 Wiley-Liss, Inc.</value></item><item><key xsi:type="xsd:string">pipelineName</key><value xsi:type="xsd:string">whatizitSwissprotGo2</value></item><item><key xsi:type="xsd:string">convertToHtml</key><value xsi:type="xsd:string">false</value></item></parameters></contact></SOAP-ENV:Body></SOAP-ENV:Envelope>
SOAP::Transport::HTTP::Client::send_receive: HTTP::Response=HASH(0x1e836a4)
SOAP::Transport::HTTP::Client::send_receive: HTTP/1.1 500 Internal Server Error
Connection: close
Date: Fri, 01 Aug 2008 06:06:35 GMT
Server: Apache-Coyote/1.1
Content-Length: 432
Content-Type: text/xml;charset=utf-8
Client-Date: Fri, 01 Aug 2008 06:06:36 GMT
Client-Peer: 193.62.197.12:80
Client-Response-Num: 1

<?xml version="1.0" ?><soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlnssd="http://www.w3.org/2001/XMLSchema" xmlns:ns1="http://www.ebi.ac.uk/webservices/whatizit/ws"><soapenv:Body><soapenv:Fault xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"><faultcode>soapenv:Client</faultcode><faultstring>Cannot find the dispatch method</faultstring></soapenv:Fault></soapenv:Body></soapenv:Envelope>
SOAP::Deserializer::deserialize: ()
SOAP:arser::decode: ()
SOAP::SOM::new: ()
SOAP::Lite::DESTROY: ()
SOAP::SOM::DESTROY: ()
SOAP::Serializer::DESTROY: ()
SOAP::Data::DESTROY: ()
SOAP::Data::DESTROY: ()
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SOAP::Transport::DESTROY: ()
SOAP::Transport::HTTP::Client::DESTROY: ()
SOAP::Deserializer::DESTROY: ()
SOAP:arser::DESTROY: ()
SOAP::Data::DESTROY: ()
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神啦，什么高科技，好累

不管是生物也好，web服务也好，最终不过是POST一个XML数据过去，返回一个XML结果而已。
你按照这个思路，实在不行了手动POST过去试试。