How to invoke web services BPEL from ODI

Hi All,
I tried to invoke a BPEL Web service through OdiInvokeWebService tool, and throws me the following message:
Request invalid. NullPointerException*
This is the WSDL that I need to consume
<?xml version="1.0" encoding="UTF-8"?>
<WL5G3N0:definitions name="Contabilidad" targetNamespace="http://xmlns.oracle.com/Contabilidad" xmlns:WL5G3N0="http://schemas.xmlsoap.org/wsdl/" xmlns:WL5G3N1="http://schemas.xmlsoap.org/ws/2003/05/partner-link/" xmlns:WL5G3N2="http://xmlns.oracle.com/Contabilidad" xmlns:WL5G3N3="xs" xmlns:WL5G3N4="r" xmlns:WL5G3N5="http://schemas.xmlsoap.org/wsdl/soap/">
<WL5G3N0:import location="http://10.10.10.207:7021/pruebaOSB/servicioProxyOSB_Contabilidad?WSDL%2FpruebaOSB%2FRuntimeFault_Contabilidad" namespace="http://schemas.oracle.com/bpel/extension"/>
<WL5G3N1:partnerLinkType name="Contabilidad">
<WL5G3N1:role name="ContabilidadProvider">
<WL5G3N1:portType name="WL5G3N2:Contabilidad"/>
</WL5G3N1:role>
</WL5G3N1:partnerLinkType>
<WL5G3N0:types>
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:client="http://xmlns.oracle.com/Contabilidad" xmlns:ns1="http://schemas.oracle.com/bpel/extension" xmlns:ns2="xs" xmlns:ns3="r" xmlns:plnk="http://schemas.xmlsoap.org/ws/2003/05/partner-link/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="http://xmlns.oracle.com/Contabilidad">
<import namespace="xs" schemaLocation="http://10.10.10.207:7021/pruebaOSB/servicioProxyOSB_Contabilidad?SCHEMA%2FpruebaOSB%2FSeguridad.xsd"/>
</schema>
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:client="http://xmlns.oracle.com/Contabilidad" xmlns:ns1="http://schemas.oracle.com/bpel/extension" xmlns:ns2="xs" xmlns:ns3="r" xmlns:plnk="http://schemas.xmlsoap.org/ws/2003/05/partner-link/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="http://xmlns.oracle.com/Contabilidad">
<import namespace="r" schemaLocation="http://10.10.10.207:7021/pruebaOSB/servicioProxyOSB_Contabilidad?SCHEMA%2FpruebaOSB%2FRespuesta.xsd"/>
</schema>
</WL5G3N0:types>
<WL5G3N0:message name="ContabilidadRequestMessage">
<WL5G3N0:part element="WL5G3N3:Root" name="root"/>
</WL5G3N0:message>
<WL5G3N0:message name="ContabilidadResponseMessage">
<WL5G3N0:part element="WL5G3N4:Respuesta" name="respuesta"/>
</WL5G3N0:message>
<WL5G3N0:portType name="Contabilidad">
<WL5G3N0:operation name="process">
<WL5G3N0:input message="WL5G3N2:ContabilidadRequestMessage"/>
<WL5G3N0:output message="WL5G3N2:ContabilidadResponseMessage"/>
</WL5G3N0:operation>
</WL5G3N0:portType>
<WL5G3N0:binding name="ContabilidadBinding" type="WL5G3N2:Contabilidad">
<WL5G3N5:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
<WL5G3N0:operation name="process">
<WL5G3N5:operation soapAction="process" style="document"/>
<WL5G3N0:input>
<WL5G3N5:body use="literal"/>
</WL5G3N0:input>
<WL5G3N0:output>
<WL5G3N5:body use="literal"/>
</WL5G3N0:output>
</WL5G3N0:operation>
</WL5G3N0:binding>
<WL5G3N0:service name="Contabilidad">
<WL5G3N0:port binding="WL5G3N2:ContabilidadBinding" name="ContabilidadPort">
<WL5G3N5:address location="http://DSKTEAAGRE05.sigfe.local:7021/pruebaOSB/servicioProxyOSB_Contabilidad"/>
</WL5G3N0:port>
</WL5G3N0:service>
</WL5G3N0:definitions>
I want to know how to invoke this webservice.(BPEL)
Edited by: user9012955 on 05-08-2011 11:23 AM

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Req some senior ppl advice on the same/approach.
any hints will suffice my way of approach...!!!
Please do put in your valuable advices..!!
Thanks in advance..!!!!

Hello Srinivas,
Following is the code for calling web service:
data: client type ref to if_http_client,
      host   type string value 'server url',
      service type string value '8080',
      path type string value '/sap/public/ping',
      errortext type string,
      proxy_service type string,
      scheme type i value 1.
call method cl_http_client=>create
exporting host = host
        service = service
     proxy_host = host
   proxy_service = service
   scheme        = scheme
importing client = client
exceptions
    argument_not_found = 1
    internal_error     = 2
    plugin_not_active = 3
    others             = 4.
case sy-subrc.
when 0.
     write 'Server reached successfully'.
when others.
     write: 'sy-subrc =', sy-subrc.
endcase.
Once you got the client object you can call following methods:
"Set the requrie URL for the web service you want to call. This is not WSDL anyway!!
cl_http_utility=>set_request_uri( request = client->request
uri =' url 2 be called ').
*Then you can call send method with proper inputs for sending request to WS
CALL METHOD client->send
Then you can use receive method for getting the response
CALL METHOD client->receive
*You can get last error in case of exceptions
CALL METHOD cl_http_client=>get_last_error
*Close the client object
CALL METHOD client->close
For more information on full code refer my link in previous replay.
Thanks,
Augustin.
Edited by: Augustarian on Aug 18, 2009 1:49 PM

How to call web services from HTML

Hi All,
Does anybody have an idea on how to call web services from HTML using axis and i am using jboss-4.0.5 as the application server.

What did your Google search return?

How to call web services from PL/SQL?

Hi,
Can one help in how to call web services from PL/SQL? Steps, pros and cons, etc....
Thanks in advance

Here's some example skeleton code to get you started...
PROCEDURE p_soap_request(p_username IN VARCHAR2, p_password IN VARCHAR2, p_proxy IN VARCHAR2) IS
    soap_request VARCHAR2(30000);
    soap_respond CLOB;
    http_req      utl_http.req;
    http_resp     utl_http.resp;
    resp          XMLType;
    soap_err      exception;
    v_code        VARCHAR2(200);
    v_msg         VARCHAR2(1800);
    v_len number;
    v_txt Varchar2(32767);
BEGIN
    UTL_HTTP.SET_PROXY(p_proxy);
    -- Define the SOAP request according the the definition of the web service being called
    soap_request:= '<?xml version = "1.0" encoding = "UTF-8"?>'||
                   '<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">'||
                   ' <SOAP-ENV:Body>'||
                   '    <m:DownloadRequest xmlns:m="http://www.website.net/messages/GetDetails">'||
                   '      <m:UserName>'||p_username||'</m:UserName>'||
                   '      <m:Password>'||p_password||'</m:Password>'||
                   '    </m:DownloadRequest>'||
                   ' </SOAP-ENV:Body>'||
                   '</SOAP-ENV:Envelope>';
    http_req:= utl_http.begin_request
              ( 'http://www.website.net/webservices/GetDetailsService.asmx'
              , 'POST'
              , 'HTTP/1.1'
    utl_http.set_header(http_req, 'Content-Type', 'text/xml');
    utl_http.set_header(http_req, 'Content-Length', length(soap_request));
    utl_http.set_header(http_req, 'Download', ''); -- header requirements of particular web service
    utl_http.write_text(http_req, soap_request);
    http_resp:= utl_http.get_response(http_req);
    utl_http.get_header_by_name(http_resp, 'Content-Length', v_len, 1); -- Obtain the length of the response
    FOR i in 1..CEIL(v_len/32767) -- obtain response in 32K blocks just in case it is greater than 32K
    LOOP
        utl_http.read_text(http_resp, v_txt, case when i < CEIL(v_len/32767) then 32767 else mod(v_len,32767) end);
        soap_respond := soap_respond || v_txt; -- build up CLOB
    END LOOP;
    utl_http.end_response(http_resp);
    resp:= XMLType.createXML(soap_respond); -- Convert CLOB to XMLTYPE
END;Using secure web services (https)...
Web serivces call in Plsql
As for 'pros and cons'... there's nothing to compare against... either you want to call a web service or you don't.

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