Hello everybody,
I am a simple Perl user (not programmer ;) ) and need some help. My script is sending soap requests (using SOAP::Lite) to some thirdparty system. Everything worked just fine, until recently, when the system was upgraded and now is more strict, i guess, concering incoming requests. The same soap request sent via SOAP UI is processed just fine, but mine returns soap error "[Ljava.lang.String; cannot be cast to java.lang.String".
After consulting google and some trial/error, I surmise that the issue is somewhere in the transport parameters, so I would like to change them to be more like those used by SOAP UI (where possible), but I have no clue how :/. Could you please help?

I have attached below what wireshark logged.

Sent by my perl script:

POST /OELAdapterWebService HTTP/1.1
TE: deflate,gzip;q=0.3
Connection: TE, close
Accept: text/xml
Accept: multipart/*
Accept: application/soap
Host: 172.26.9.9:8120
User-Agent: SOAP::Lite/Perl/1.06
Content-Length: 2728
Content-Type: text/xml
SOAPAction: "/OELAdapter/ProcessDefinitions/Production/Services/OELAda
+pter/SoapOverHttp/OELAdapter.serviceagent//ProcessOrderAsync"


<?xml version="1.0" encoding="UTF-8"?>
<soapenv:Envelope 
    soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" 
    xmlns:oel="http://xxx.com/OELAdapter" 
    xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" 
    xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" 
    xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <soapenv:Body>
   ...
  </soapenv:Body>
</soapenv:Envelope>

HTTP/1.1 200 OK
Server: Apache-Coyote/1.1
Content-Type: text/xml;charset=utf-8
Content-Length: 376
Date: Fri, 02 Jun 2017 08:40:20 GMT
Connection: close

<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/env
+elope/">
                <SOAP-ENV:Body>
                                <SOAP-ENV:Fault>
                                                <faultcode xmlns="">SO
+AP-ENV:Server.InternalServerError</faultcode>
                                                <faultstring xmlns="">
+[Ljava.lang.String; cannot be cast to java.lang.String</faultstring>
                                </SOAP-ENV:Fault>
                </SOAP-ENV:Body>
</SOAP-ENV:Envelope>
[download]

Sent from SOAP UI:

POST /OELAdapterWebService HTTP/1.1
Connection: close
Accept-Encoding: gzip,deflate
Content-Type: text/xml;charset=UTF-8
SOAPAction: "/OELAdapter/ProcessDefinitions/Production/Services/OELAda
+pter/SoapOverHttp/OELAdapter.serviceagent//ProcessOrderAsync"
Content-Length: 3088
Host: 172.26.9.9:8120
User-Agent: Apache-HttpClient/4.1.1 (java 1.5)


<?xml version="1.0" encoding="UTF-8"?>
<soapenv:Envelope 
    soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" 
    xmlns:oel="http://xxx.com/OELAdapter" 
    xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" 
    xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" 
    xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <soapenv:Body>
   ...
  </soapenv:Body>
</soapenv:Envelope>

HTTP/1.1 200 OK
Server: Apache-Coyote/1.1
Content-Type: text/xml;charset=utf-8
Content-Length: 376
Date: Fri, 02 Jun 2017 08:58:39 GMT
Connection: close
[download]

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