Error while using Asynchronous Process in ODE

Sat, 17 Jan 2009 05:30:55 -0800 

Hi all

I created the BPEL Process as asynchronous, following is my BPEL Process

Helloworld.bpel

<!-- Helloworld BPEL Process [Generated by the Eclipse BPEL Designer]  -->
<!-- Date: Sat Jan 17 14:20:57 GMT+05:30 2009 -->

<bpel:process name="Helloworld"
        targetNamespace="http://sample.bpel.org/bpel/sample";
        suppressJoinFailure="yes"
        xmlns:tns="http://sample.bpel.org/bpel/sample";
xmlns:bpel="http://docs.oasis-open.org/wsbpel/2.0/process/executable"; 
        >
   <!-- Import the client WSDL -->
<bpel:import location="HelloworldArtifacts.wsdl" namespace="http://sample.bpel.org/bpel/sample"; 
           importType="http://schemas.xmlsoap.org/wsdl/"; />
<!-- ================================================================= --> <!-- PARTNERLINKS --> <!-- List of services participating in this BPEL process --> <!-- ================================================================= --> <bpel:partnerLinks> 
       <!--
       The 'client' role represents the requester of this service. It is
used for callback. The location and correlation information associated 
       with the client role are automatically set using WS-Addressing.
       -->
       <bpel:partnerLink name="client"
                    partnerLinkType="tns:Helloworld"
                    myRole="HelloworldProvider"
                    partnerRole="HelloworldRequester"
                    />
   </bpel:partnerLinks>
<!-- ================================================================= --> <!-- VARIABLES --> <!-- List of messages and XML documents used within this BPEL process --> <!-- ================================================================= --> <bpel:variables> 
       <!-- Reference to the message passed as input during initiation -->
       <bpel:variable name="input"
                 messageType="tns:HelloworldRequestMessage"/>
<!-- Reference to the message that will be sent back to the 
            requester during callback
            -->
       <bpel:variable name="output"
                 messageType="tns:HelloworldResponseMessage"/>
   </bpel:variables>
<!-- ================================================================= --> <!-- ORCHESTRATION LOGIC --> <!-- Set of activities coordinating the flow of messages across the --> <!-- services integrated within this business process --> <!-- ================================================================= --> <bpel:sequence name="main"> <!-- Receive input from requestor. 
            Note: This maps to operation defined in Helloworld.wsdl
            -->
       <bpel:receive name="receiveInput" partnerLink="client"
                portType="tns:Helloworld"
                operation="initiate" variable="input"
                createInstance="yes"/>
<!-- Asynchronous callback to the requester. Note: the callback location and correlation id is transparently handled 
            using WS-addressing.
            -->
       <bpel:assign validate="no" name="Assign">
           <bpel:copy>
               <bpel:from>
<bpel:literal xml:space="preserve"><tns:HelloworldResponse xmlns:tns="http://sample.bpel.org/bpel/sample"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";> 
 <tns:result></tns:result>
</tns:HelloworldResponse>
</bpel:literal>
               </bpel:from>
               <bpel:to variable="output" part="payload"></bpel:to>
           </bpel:copy>
           <bpel:copy>
               <bpel:from part="payload" variable="input">
<bpel:query queryLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"><![CDATA[tns:input]]></bpel:query> 
               </bpel:from>
               <bpel:to part="payload" variable="output">
<bpel:query queryLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"><![CDATA[tns:result]]></bpel:query> 
               </bpel:to>
           </bpel:copy>
       </bpel:assign>
       <bpel:invoke name="callbackClient"
               partnerLink="client"
               portType="tns:HelloworldCallback"
               operation="onResult"
               inputVariable="output"
               />
   </bpel:sequence>
</bpel:process>

Following is my HelloworldArtifacts.wsdl

<?xml version="1.0"?>
<definitions name="Helloworld"
       targetNamespace="http://sample.bpel.org/bpel/sample";
       xmlns:tns="http://sample.bpel.org/bpel/sample";
       xmlns:plnk="http://docs.oasis-open.org/wsbpel/2.0/plnktype";
       xmlns="http://schemas.xmlsoap.org/wsdl/";
       xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/";>

<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    TYPE DEFINITION - List of services participating in this BPEL process
    The default output of the BPEL designer uses strings as input and
    output to the BPEL Process. But you can define or import any XML
    Schema type and us them as part of the message types.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --> <types> <schema attributeFormDefault="unqualified" 
               elementFormDefault="qualified"
               targetNamespace="http://sample.bpel.org/bpel/sample";
               xmlns="http://www.w3.org/2001/XMLSchema";
               >
<element name="HelloworldRequest"> 
               <complexType>
                   <sequence>
                       <element name="input" type="string" />
                   </sequence>
               </complexType>
           </element>
<element name="HelloworldResponse"> 
               <complexType>
                   <sequence>
                       <element name="result" type="string"/>
                   </sequence>
               </complexType>
           </element>
</schema> 
   </types>

<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    MESSAGE TYPE DEFINITION - Definition of the message types used as
    part of the port type defintions
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --> <message name="HelloworldRequestMessage"> 
       <part name="payload" element="tns:HelloworldRequest"/>
   </message>
<message name="HelloworldResponseMessage"> 
       <part name="payload" element="tns:HelloworldResponse"/>
   </message>


<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    PORT TYPE DEFINITION - A port type groups a set of operations into
    a logical service unit.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --> 
   <!-- portType implemented by the Helloworld BPEL process -->
   <portType name="Helloworld">
       <operation name="initiate">
           <input message="tns:HelloworldRequestMessage"/>
       </operation>
   </portType>

   <!-- portType implemented by the requester of Helloworld BPEL process
        for asynchronous callback purposes
        -->
   <portType name="HelloworldCallback">
       <operation name="onResult">
           <input message="tns:HelloworldResponseMessage"/>
       </operation>
   </portType>


<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    PARTNER LINK TYPE DEFINITION
        the Helloworld partnerLinkType binds the provider and
        requester portType into an asynchronous conversation.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --> <plnk:partnerLinkType name="Helloworld"> 
       <plnk:role name="HelloworldProvider" portType="tns:Helloworld"/>
<plnk:role name="HelloworldRequester" portType="tns:HelloworldCallback"/> </plnk:partnerLinkType> <binding name="ResponderBinding" type="tns:HelloworldCallback"> 
       <soap:binding style="document"
           transport="http://schemas.xmlsoap.org/soap/http"; />
       <operation name="onResult">
           <soap:operation
               soapAction="http://sample.bpel.org/bpel/sample/onResult"; />
           <input>
               <soap:body use="literal" />
           </input>
       </operation>
   </binding>
   <binding name="ExecuteBinding" type="tns:Helloworld">
       <soap:binding style="document"
           transport="http://schemas.xmlsoap.org/soap/http"; />
       <operation name="initiate">
           <soap:operation
               soapAction="http://sample.bpel.org/bpel/sample/initiate"; />
           <input>
               <soap:body use="literal" />
           </input>
       </operation>
   </binding>
   <service name="InvokingService">
       <port name="ExecutePort" binding="tns:ExecuteBinding">
<soap:address location="http://localhost:8080/ode/processes/HelloInvokeProcess"; /> 
       </port>
   </service>
   <service name="CallbackService">
       <port name="ResponderPort" binding="tns:ResponderBinding">
<soap:address location="http://localhost:8080/ode/processes/HelloResponderProcess"; /> 
       </port>
   </service>
</definitions>

following is my deploy.xml

<?xml version="1.0" encoding="UTF-8"?>
<deploy xmlns="http://www.apache.org/ode/schemas/dd/2007/03"; xmlns:sample="http://sample.bpel.org/bpel/sample";> 
 <process name="sample:Helloworld">
   <process-events generate="all"/>
   <provide partnerLink="client">
     <service name="sample:InvokingService" port="ExecutePort"/>
   </provide>
   <invoke partnerLink="client">
     <service name="sample:CallbackService" port="ResponderPort"/>
   </invoke>
 </process>
</deploy>
i deployed in the ode runtime engine inside the tomcat, it deployed successfully , while im testing wsdl with the webservice explorer iam sending the input , but iam getting the response object as null, following is my output in console
DEBUG - GeronimoLog.debug(66) | Received one-way message for HelloInvokeProcess.{http://sample.bpel.org/bpel/sample}initiate 
DEBUG - GeronimoLog.debug(66) | Starting transaction.
DEBUG - GeronimoLog.debug(66) | Routed: svcQname {http://sample.bpel.org/bpel/sample}InvokingService --> BpelProcess[{http://sample.bpel.org/bpel/sample}Helloworld-117] DEBUG - GeronimoLog.debug(66) | ODE routed to operation Operation: name=initiate 
style=ONE_WAY,0
Input: name=null
Message: name={http://sample.bpel.org/bpel/sample}HelloworldRequestMessage
Part: name=payload
elementName={http://sample.bpel.org/bpel/sample}HelloworldRequest from service {http://sample.bpel.org/bpel/sample}InvokingService DEBUG - GeronimoLog.debug(66) | Invoking ODE using MEX {MyRoleMex#hqejbhcnphr3wxc436pvna [Client hqejbhcnphr3wxc436pvn9] calling {http://sample.bpel.org/bpel/sample}InvokingService.initiate(...)} DEBUG - GeronimoLog.debug(66) | Message content: <?xml version="1.0" encoding="UTF-8"?> <message><payload><HelloworldRequest xmlns="http://sample.bpel.org/bpel/sample"; xmlns:q0="http://sample.bpel.org/bpel/sample"; 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";> 
*<input>haI</input>*
</HelloworldRequest></payload></message>
DEBUG - GeronimoLog.debug(66) | Routed: svcQname {http://sample.bpel.org/bpel/sample}InvokingService --> BpelProcess[{http://sample.bpel.org/bpel/sample}Helloworld-117] DEBUG - GeronimoLog.debug(66) | invoke() EPR= null ==> BpelProcess[{http://sample.bpel.org/bpel/sample}Helloworld-117] DEBUG - GeronimoLog.debug(66) | Commiting ODE MEX {MyRoleMex#hqejbhcnphr3wxc436pvna [Client hqejbhcnphr3wxc436pvn9] calling {http://sample.bpel.org/bpel/sample}InvokingService.initiate(...)} 
DEBUG - GeronimoLog.debug(66) | Commiting transaction.
DEBUG - GeronimoLog.debug(66) | Releasing mex hqejbhcnphr3wxc436pvna
DEBUG - GeronimoLog.debug(66) | >> handleWorkEvent(jobData={type=INVOKE_INTERNAL, mexid=hqejbhcnphr3wxc436pvna, pid={http://sample.bpel.org/bpel/sample}Helloworld-117}) DEBUG - GeronimoLog.debug(66) | InvokeInternal event for mexid hqejbhcnphr3wxc436pvna DEBUG - GeronimoLog.debug(66) | GET MEX property org.apache.ode.bpel.myRoleSessionId = null DEBUG - GeronimoLog.debug(66) | GET MEX property org.apache.ode.bpel.myRoleSessionId = null DEBUG - GeronimoLog.debug(66) | GET MEX property org.apache.ode.bpel.partnerRoleSessionId = null DEBUG - GeronimoLog.debug(66) | INPUTMSG: 12.initiate: MSG RCVD keys=[] mySessionId=null partnerSessionId=null DEBUG - GeronimoLog.debug(66) | INPUTMSG: 12.initiate: routing failed, CREATING NEW INSTANCE DEBUG - GeronimoLog.debug(66) | BpelRuntimeContextImpl created for instance 26953. INDEXED STATE={} DEBUG - GeronimoLog.debug(66) | SELECT: PickResponseChannel#9: USING CORRELATOR 12.initiate DEBUG - GeronimoLog.debug(66) | SELECT: PickResponseChannel#9: CHECKING for NEW INSTANCE match DEBUG - GeronimoLog.debug(66) | INPUTMSGMATCH: Changing process instance state from ready to active DEBUG - GeronimoLog.debug(66) | SELECT: PickResponseChannel#9: FOUND match for NEW instance mexRef={MyRoleMex#hqejbhcnphr3wxc436pvna [Client hqejbhcnphr3wxc436pvn9] calling {http://sample.bpel.org/bpel/sample}InvokingService.initiate(...)} DEBUG - GeronimoLog.debug(66) | INVOKING PARTNER: partnerLink={PartnerLinkInstance partnerLinkDecl=OPartnerLink#12,scopeInstanceId=27005}, op=onResult channel=null) DEBUG - GeronimoLog.debug(66) | INVOKE PARTNER (SEP): sessionId=hqejbhcnphr3wxc436pvnc partnerSessionId=null DEBUG - GeronimoLog.debug(66) | Routed: svcQname {http://sample.bpel.org/bpel/sample}CallbackService --> null 
DEBUG - GeronimoLog.debug(66) | Invoking a partner operation: onResult
DEBUG - GeronimoLog.debug(66) | The service to invoke is the external service {http://sample.bpel.org/bpel/sample}CallbackService:ResponderPort DEBUG - GeronimoLog.debug(66) | Resolving endpoint reference <?xml version="1.0" encoding="UTF-8"?> <service-ref xmlns="http://docs.oasis-open.org/wsbpel/2.0/serviceref";><EndpointReference xmlns="http://www.w3.org/2005/08/addressing";><Metadata><ServiceName xmlns="http://www.w3.org/2006/05/addressing/wsdl"; EndpointName="ResponderPort" xmlns:servicens="http://sample.bpel.org/bpel/sample";>servicens:CallbackService</ServiceName></Metadata><Address>http://localhost:8080/ode/processes/HelloResponderProcess</Address></EndpointReference></service-ref> DEBUG - GeronimoLog.debug(66) | GET MEX property org.apache.ode.bpel.partnerRoleSessionId = null DEBUG - GeronimoLog.debug(66) | GET MEX property org.apache.ode.bpel.myRoleSessionId = hqejbhcnphr3wxc436pvnc DEBUG - GeronimoLog.debug(66) | MyRole session identifier found for myrole (callback) WSA endpoint: hqejbhcnphr3wxc436pvnc DEBUG - GeronimoLog.debug(66) | Axis2 sending message to http://localhost:8080/ode/processes/HelloResponderProcess using MEX {PartnerRoleMex#hqejbhcnphr3wxc436pvnd [PID {http://sample.bpel.org/bpel/sample}Helloworld-117] calling [email protected](...)} DEBUG - GeronimoLog.debug(66) | Message: <?xml version='1.0' encoding='utf-8'?><soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/";><soapenv:Body><HelloworldResponse xmlns="http://sample.bpel.org/bpel/sample";> 
 *<result>haI</result>*
</HelloworldResponse></soapenv:Body></soapenv:Envelope>
DEBUG - GeronimoLog.debug(66) | org.apache.ode.axis2.soapexternalservice$cachedoption...@da5660 has been modified 
DEBUG - GeronimoLog.debug(66) | Translating IL Properties for Axis2
DEBUG - GeronimoLog.debug(66) | replyOneWayOk mex=hqejbhcnphr3wxc436pvnd
DEBUG - GeronimoLog.debug(66) | Sending stateful TO epr in message header using session null DEBUG - GeronimoLog.debug(66) | Sending stateful FROM epr in message header using session hqejbhcnphr3wxc436pvnc DEBUG - GeronimoLog.debug(66) | Sending a message containing wsa endpoints in headers for session passing. DEBUG - GeronimoLog.debug(66) | <?xml version='1.0' encoding='utf-8'?><soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/";><soapenv:Header><addr:To xmlns:addr="http://www.w3.org/2005/08/addressing";>http://localhost:8080/ode/processes/HelloResponderProcess</addr:To><addr:Action xmlns:addr="http://www.w3.org/2005/08/addressing";>http://sample.bpel.org/bpel/sample/onResult</addr:Action><addr:ReplyTo xmlns:addr="http://www.w3.org/2005/08/addressing";><addr:Address>http://www.w3.org/2005/08/addressing/none</addr:Address></addr:ReplyTo><addr:MessageID xmlns:addr="http://www.w3.org/2005/08/addressing";>urn:uuid:B71E53E6E179D41DF41232199002481</addr:MessageID><intalio:callback xmlns:intalio="http://www.intalio.com/type/session";><addr:Address xmlns:addr="http://www.w3.org/2005/08/addressing";>http://localhost:8080/ode/processes/HelloInvokeProcess</addr:Address><intalio:session>hqejbhcnphr3wxc436pvnc</intalio:session></intalio:callback></soapenv:Header><soapenv:Body><HelloworldResponse xmlns="http://sample.bpel.org/bpel/sample";> 
 *<result>haI</result>*
</HelloworldResponse></soapenv:Body></soapenv:Envelope>
DEBUG - GeronimoLog.debug(66) | ProcessImpl {http://sample.bpel.org/bpel/sample}Helloworld-117 completed OK. 
DEBUG - GeronimoLog.debug(66) | Releasing mex hqejbhcnphr3wxc436pvna
DEBUG - GeronimoLog.debug(66) | Checking for Service using target endpoint address : http://localhost:8080/ode/processes/HelloResponderProcess DEBUG - GeronimoLog.debug(66) | Found service in registry from name *HelloResponderProcess: null
*can any one tell me what could be the problem, i need to receive the response in browser but i cant, so any one tell me how i can receive the output sending in the callback response. 

with regards

Surendar V

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