Invoking a Web Service using XI 2.0

Hi all,
I am attempting to create a scenario where an SAP application invokes a web service through XI 2.0.
I have created an ABAP proxy to allow my ABAP to start the call process and have set up the message interfaces within the Integration Directory.
I want XI to receive a call from this proxy and then act as the client to an existing Web Service.. calling it and bringing back a response... but it doesn't look like I can import the existing WSDL as a I would have expected.
So... instead I have exported the Message Interface for the "out of XI" portion of the interface as a WSDL and have asked the Web Service provider to amend their service according to this XI generated WSDL.
My difficulty now is how to use the SOAP adapter. Within the Integration Directory I presumably need to define the endpoint with XI Connectivity but I am not sure how to fill in the URL address of the SOAP adapter...
Any help on how to configure the actual SOAP adapter to fulfill this requirement would be great too.
I have looked around the boards to see if I could work this out from previous posts but without success so far.
It's a synchronous scenario and basically should look like...
ABAP Proxy->XI->SOAP Adapter->Web Service->XI->ABAP Proxy
Many thanks,
Gordon

Hi Gordon,
here is an example for SOAP-Adapter config:
# Bubble adapter java class
classname=com.sap.aii.messaging.adapter.ModuleBubble
# Sets the bubble module helper that can instantiate your bubble bag
Bubble.Helper=com.sap.aii.messaging.adapter.ModuleBubbleHelperXMBWSImpl
###### Part 0 (FromWS and ToWS) : common part ######
# Keeps the XMB headers in web service messages
XMBWS.KeepHeaders=false
# Encodes the xmb headers into a special HTTP header string x-xmb_ws_encoded
XMBWS.UseEncoded=false
# The target URL for the web service, to which the adapter sends web service messages.
# The address is part of the WSDL
XMBWS.TargetURL=http://www.extensio.com:8080/ExtensioInfoServer/servlet/rpcrouter
# Proxy configuration from SAP
XMBWS.proxyHost=PrOxY
XMBWS.proxyPort=8080
# The port and path where the adapter waits for XMB messages from clients.
XMBWS.XMBPort=8400
XMBWS.XMBPath=/soap/stockquote
# The default SOAPAction HTTP request header to the web Service server
# The SoapAction is part of the WSDL
XMBWS.DefaultSOAPAction=
Of course you have to set URL, proxy and SOAP-action to your belongings.
You define the endpoint as:
"http://<Adapter-Server>:<XMBPort><XMBPath>"
in this example:
"http://localhost:8400/soap/stockquote"
Stefan

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    Connecting to the database cpdev.
    1
    2
    3
    4
    5
    5.5
    ORA-12560: TNS:protocol adapter error
    Process exited.
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    Thanx.

    Oracle is hosted by HOST A - this is where the pl/sql program resides.
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    <xs:sequence>
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    <xs:complexType name="Event">

    <xs:sequence>
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    <xs:complexType name="AuthenticationRequestEvent">

    <xs:complexContent>

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    <xs:sequence>
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    <xs:element minOccurs="0" name="password" type="xs:string"/>
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    <xs:complexType name="RequestEvent">

    <xs:complexContent>

    <xs:extension base="tns:Event">

    <xs:sequence>
    <xs:element name="correlationId" type="xs:string"/>
    <xs:element name="response" type="tns:Response"/>
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    <xs:complexType name="Response">

    <xs:sequence>
    <xs:element name="correlationId" type="xs:string"/>
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    </xs:complexType>

    <xs:complexType name="AuthenticationResponse">

    <xs:complexContent>

    <xs:extension base="tns:Response">

    <xs:sequence>
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    <xs:element minOccurs="0" name="lastName" type="xs:string"/>
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    <xs:element minOccurs="0" name="errorMessage" type="xs:string"/>
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    <xs:complexContent>

    <xs:extension base="tns:Event">

    <xs:sequence>
    <xs:element name="type" type="tns:eventType"/>
    <xs:element minOccurs="0" name="previousTask" type="tns:Task"/>
    <xs:element name="changeTask" type="tns:Task"/>
    <xs:element minOccurs="0" name="newTask" type="tns:Task"/>
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    </xs:extension>
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    <xs:complexType name="sendAuthenticationResponse">

    <xs:sequence>
    <xs:element minOccurs="0" name="authenticationResponse" type="tns:AuthenticationResponse"/>
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    <xs:complexType name="sendAuthenticationResponseResponse">
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    <xs:simpleType name="status">

    <xs:restriction base="xs:string">
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    <xs:enumeration value="DISPATCH"/>
    <xs:enumeration value="SYSTEM"/>
    <xs:enumeration value="ENDUSER"/>
    </xs:restriction>
    </xs:simpleType>

    <xs:simpleType name="eventType">

    <xs:restriction base="xs:string">
    <xs:enumeration value="TaskCreated"/>
    <xs:enumeration value="TaskUpdated"/>
    <xs:enumeration value="TaskAssigned"/>
    <xs:enumeration value="TaskDeleted"/>
    <xs:enumeration value="TaskStatusChanged"/>
    <xs:enumeration value="TaskConflicted"/>
    </xs:restriction>
    </xs:simpleType>
    </xs:schema>
    </types>

    <message name="Webservice_listenForEvents">
    <part element="tns:listenForEvents" name="listenForEvents"/>
    </message>

    <message name="Webservice_sendAuthenticationResponseResponse">
    <part element="tns:sendAuthenticationResponseResponse" name="sendAuthenticationResponseResponse"/>
    </message>

    <message name="Webservice_sendAuthenticationResponse">
    <part element="tns:sendAuthenticationResponse" name="sendAuthenticationResponse"/>
    </message>

    <message name="Webservice_upsertTaskResponse">
    <part element="tns:upsertTaskResponse" name="upsertTaskResponse"/>
    </message>

    <message name="Exception">
    <part element="tns:Exception" name="Exception"/>
    </message>

    <message name="Webservice_upsertTask">
    <part element="tns:upsertTask" name="upsertTask"/>
    </message>

    <message name="Webservice_listenForEventsResponse">
    <part element="tns:listenForEventsResponse" name="listenForEventsResponse"/>
    </message>

    <portType name="Webservice">

    <operation name="listenForEvents" parameterOrder="listenForEvents">
    <input message="tns:Webservice_listenForEvents"/>
    <output message="tns:Webservice_listenForEventsResponse"/>
    <fault message="tns:Exception" name="Exception"/>
    </operation>

    <operation name="sendAuthenticationResponse" parameterOrder="sendAuthenticationResponse">
    <input message="tns:Webservice_sendAuthenticationResponse"/>
    <output message="tns:Webservice_sendAuthenticationResponseResponse"/>
    <fault message="tns:Exception" name="Exception"/>
    </operation>

    <operation name="upsertTask" parameterOrder="upsertTask">
    <input message="tns:Webservice_upsertTask"/>
    <output message="tns:Webservice_upsertTaskResponse"/>
    <fault message="tns:Exception" name="Exception"/>
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    </portType>

    <binding name="WebserviceBinding" type="tns:Webservice">
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    <operation name="listenForEvents">
    <soap:operation soapAction=""/>

    <input>
    <soap:body use="literal"/>
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    <output>
    <soap:body use="literal"/>
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    <fault name="Exception">
    <soap:fault name="Exception" use="literal"/>
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    <operation name="sendAuthenticationResponse">
    <soap:operation soapAction=""/>

    <input>
    <soap:body use="literal"/>
    </input>

    <output>
    <soap:body use="literal"/>
    </output>

    <fault name="Exception">
    <soap:fault name="Exception" use="literal"/>
    </fault>
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    <operation name="upsertTask">
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    <input>
    <soap:body use="literal"/>
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    <output>
    <soap:body use="literal"/>
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    <fault name="Exception">
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    <service name="Webservice">

    <port binding="tns:WebserviceBinding" name="WebservicePort">
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    l_call UTL_DBWS.call;
    l_wsdl_url VARCHAR2(32767);
    l_namespace VARCHAR2(32767);
    l_service_qname UTL_DBWS.qname;
    l_port_qname UTL_DBWS.qname;
    l_operation_qname UTL_DBWS.qname;
    l_input_params UTL_DBWS.anydata_list;
    soap_request xmltype;
    l_result xmltype;
    result_output VARCHAR2(32767);
    BEGIN
    l_wsdl_url := 'https://webservice.mp.b.airclic.com/webservice/product/fieldservice/v1/Webservice?WSDL';
    l_namespace := 'http://webservice.airclic.com/';
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    dbms_output.put_line ('2');
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    port_name => l_port_qname,
    operation_name => l_operation_qname);
    dbms_output.put_line ('6');
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    UTL_DBWS.SET_PROPERTY(l_call,'PASSWORD',<password>);
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    utl_dbws.set_property(l_call,'OPERATION_STYLE', 'document');
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    <ns2:sendAuthenticationResponse xmlns:ns2="http://webservice.airclic.com/">
    <authenticationResponse>
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    <success>true</success>
    <username>changlanih</username>
    <password>abcd1234</password>
    <firstName>hero</firstName>
    <lastName>changlani</lastName>
    <email>[email protected]</email>
    <active>true</active>
    <timeZone>eastern</timeZone>
    <group>Northeast</group>
    <role>Service Manager</role>
    </authenticationResponse>
    </ns2:sendAuthenticationResponse>
    </S:Body>
    </S:Envelope>');
    l_result := UTL_DBWS.invoke ( l_call,soap_request);
    UTL_DBWS.release_call (call_handle => l_call);
    UTL_DBWS.release_service (service_handle => l_service);
    result_output := l_result.getstringval;
    dbms_output.put_line('web svc output ===> ' || result_output);
    END;
    Following is the error from pl/sql code
    1
    2
    3
    4
    DECLARE
    ERROR at line 1:
    ORA-29532: Java call terminated by uncaught Java exception: java.lang.IllegalAccessException: error.build.wsdl.model: oracle.j2ee.ws.common.tools.api.WsdlValidationException:
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    ORA-06512: at "SYS.UTL_DBWS", line 190
    ORA-06512: at line 20
    Notes
    The program fails at following line of code -
    l_service := UTL_DBWS.create_service (
    wsdl_document_location => URIFACTORY.getURI(l_wsdl_url),
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    Can anyone tell me what am I doing wrong here. I am not able to even establish connection to web service host.
    This is very frustrating - Oracle has no examples on how to access a SSL Web Service (that needs authentication) from Database.
    This is effecting our project deadlines ......... any help would be greatly appreciated.
    Thanks.

    Hi,
    I presume your Web Service needs HTTP (BASIC?) Authentication.
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    l_call UTL_DBWS.call;
    l_result sys.XMLTYPE;
    l_request sys.XMLTYPE;
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    xmlns:urn="urn:sap-com:document:sap:rfc:functions">' ||
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    '<I_INSTITUTION>0001</I_INSTITUTION>' ||
    '<I_PATIENT_NR>0000000181</I_PATIENT_NR>' ||
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    l_result := UTL_DBWS.invoke(l_call, l_request);
    UTL_DBWS.release_call (call_handle => l_call);
    UTL_DBWS.release_service (service_handle => l_service);
    EXCEPTION
    WHEN OTHERS THEN
    dbms_output.put_line(sqlcode || ' ' || sqlerrm);
    END;
    Hope this helps,
    Yogesh

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    ========================================================================
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        response_entity_body        = t_response_body
        response_headers            = t_response_header.
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    +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    2 3 5                                             
    ERROR                                             
    6                                             
    Cache Accesss
    7                                             
    8                                             
    9 While trying to retrieve the URL: 10 http://IP ADDRESS :PORT /invoke/crm_sms/send_crm_sms?
    11
    12 The following error was encountered:
    13                              
    14
    15 16 Cache Access Denied. 17 18
    19
    20 21
    Sorry, you are not currently allowed to request: 22
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    25 26
    27 You need to use Netscape version 2.0 or greater, or Microsoft Internet 28 Explorer 3.0, or an HTTP/1.1 compliant browser for this to work. Please 29 contact the cache administrator if you have 30 difficulties authenticating yourself or
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    32                    
    33
    34                                             
    35                                             
    36 Generated Thu, 26 Jun 2008 11:18:54 GMT by ProxyServer.VakolaProxy (Squid/2.4.STABLE7) 37                                                                                
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    With Regards,
    Rajesh C

    slen = strlen( user ).
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    My Blog: http://www.inside-oracle-apex.com
    APEX Plug-Ins: http://apex.oracle.com/plugins
    Twitter: http://www.twitter.com/patrickwolf

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