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From "Ian Harrigan" <ianharri...@hotmail.com>
Subject Problem invoking external axis2 web service
Date Wed, 27 May 2009 07:06:24 GMT
Hi All,

Im wondering if someone might be able to help me. Im trying to invoke an external axis2 web
service from a ODE BPEL project deployed inside a ServiceMix JBI container but every time
i try to invoke i get the following errors.

java.lang.ClassCastException: org.apache.ode.jbi.JbiEndpointReference
        at org.apache.ode.jbi.EndpointReferenceContextImpl.getConfigLookup(EndpointReferenceContextImpl.java:116)
        at org.apache.ode.store.ProcessConfImpl.getEndpointProperties(ProcessConfImpl.java:417)
        at org.apache.ode.bpel.engine.BpelProcess.getTimeout(BpelProcess.java:1089)
        at org.apache.ode.bpel.engine.BpelRuntimeContextImpl.scheduleInvokeCheck(BpelRuntimeContextImpl.java:839)
        at org.apache.ode.bpel.engine.BpelRuntimeContextImpl.invoke(BpelRuntimeContextImpl.java:777)
        at org.apache.ode.bpel.runtime.INVOKE.run(INVOKE.java:100)
        at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.ode.jacob.vpu.JacobVPU$JacobThreadImpl.run(JacobVPU.java:451)
        at org.apache.ode.jacob.vpu.JacobVPU.execute(JacobVPU.java:139)
        at org.apache.ode.bpel.engine.BpelRuntimeContextImpl.execute(BpelRuntimeContextImpl.java:870)
        at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeNewInstance(PartnerLinkMyRoleImpl.java:206)
        at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:237)
        at org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:408)
        at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:439)
        at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:441)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:411)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:405)
        at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:218)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:404)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:401)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
        at java.util.concurrent.FutureTask.run(FutureTask.java:123)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
        at java.lang.Thread.run(Thread.java:595)
ERROR - BpelEngineImpl                 - Scheduled job failed; jobDetail={type=INVOKE_INTERNAL,
mexid=hqejbhcnphr4b38pwtl5vq, pid={http://xmlns.apache.ode.com/DynamicPLTest}DynamicPLTest-145}
java.lang.RuntimeException: java.lang.ClassCastException: org.apache.ode.jbi.JbiEndpointReference
        at org.apache.ode.jacob.vpu.JacobVPU$JacobThreadImpl.run(JacobVPU.java:464)
        at org.apache.ode.jacob.vpu.JacobVPU.execute(JacobVPU.java:139)
        at org.apache.ode.bpel.engine.BpelRuntimeContextImpl.execute(BpelRuntimeContextImpl.java:870)
        at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeNewInstance(PartnerLinkMyRoleImpl.java:206)
        at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:237)
        at org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:408)
        at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:439)
        at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:441)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:411)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:405)
        at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:218)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:404)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:401)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
        at java.util.concurrent.FutureTask.run(FutureTask.java:123)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
        at java.lang.Thread.run(Thread.java:595)

The service im just trying to invoke at the moment is a simple echo server (just to get the
most simple idea working first). The [generated] WSDL is as follows:

<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/"
xmlns:ns0="http://ws.test" xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/" xmlns:http="http://schemas.xmlsoap.org/wsdl/http/"
xmlns:ns1="http://org.apache.axis2/xsd" xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl"
xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
targetNamespace="http://ws.test">
    <wsdl:documentation>EchoService</wsdl:documentation>
    <wsdl:types>
        <xs:schema xmlns:ns="http://ws.test" attributeFormDefault="qualified" elementFormDefault="qualified"
targetNamespace="http://ws.test">
            <xs:complexType name="Exception">
                <xs:sequence>
                    <xs:element minOccurs="0" name="Exception" nillable="true" type="xs:anyType"/>
                </xs:sequence>

            </xs:complexType>
            <xs:element name="Exception">
                <xs:complexType>
                    <xs:sequence>
                        <xs:element minOccurs="0" name="Exception" nillable="true" type="ns:Exception"/>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
            <xs:element name="echo">

                <xs:complexType>
                    <xs:sequence>
                        <xs:element minOccurs="0" name="input" nillable="true" type="xs:string"/>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
            <xs:element name="echoResponse">
                <xs:complexType>
                    <xs:sequence>

                        <xs:element minOccurs="0" name="return" nillable="true" type="xs:string"/>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
        </xs:schema>
    </wsdl:types>
    <wsdl:message name="echoRequest">
        <wsdl:part name="parameters" element="ns0:echo"/>
    </wsdl:message>

    <wsdl:message name="echoResponse">
        <wsdl:part name="parameters" element="ns0:echoResponse"/>
    </wsdl:message>
    <wsdl:message name="Exception">
        <wsdl:part name="parameters" element="ns0:Exception"/>
    </wsdl:message>
    <wsdl:portType name="EchoServicePortType">
        <wsdl:operation name="echo">
            <wsdl:input message="ns0:echoRequest" wsaw:Action="urn:echo"/>

            <wsdl:output message="ns0:echoResponse" wsaw:Action="urn:echoResponse"/>
            <wsdl:fault message="ns0:Exception" name="Exception" wsaw:Action="urn:echoException"/>
        </wsdl:operation>
    </wsdl:portType>
    <wsdl:binding name="EchoServiceSOAP11Binding" type="ns0:EchoServicePortType">
        <soap:binding transport="http://schemas.xmlsoap.org/soap/http" style="document"/>
        <wsdl:operation name="echo">
            <soap:operation soapAction="urn:echo" style="document"/>
            <wsdl:input>

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

    </wsdl:binding>
    <wsdl:binding name="EchoServiceSOAP12Binding" type="ns0:EchoServicePortType">
        <soap12:binding transport="http://schemas.xmlsoap.org/soap/http" style="document"/>
        <wsdl:operation name="echo">
            <soap12:operation soapAction="urn:echo" style="document"/>
            <wsdl:input>
                <soap12:body use="literal"/>
            </wsdl:input>
            <wsdl:output>

                <soap12:body use="literal"/>
            </wsdl:output>
            <wsdl:fault name="Exception">
                <soap12:fault use="literal" name="Exception"/>
            </wsdl:fault>
        </wsdl:operation>
    </wsdl:binding>
    <wsdl:binding name="EchoServiceHttpBinding" type="ns0:EchoServicePortType">
        <http:binding verb="POST"/>

        <wsdl:operation name="echo">
            <http:operation location="EchoService/echo"/>
            <wsdl:input>
                <mime:content type="text/xml" part="echo"/>
            </wsdl:input>
            <wsdl:output>
                <mime:content type="text/xml" part="echo"/>
            </wsdl:output>
        </wsdl:operation>

    </wsdl:binding>
    <wsdl:service name="EchoService">
        <wsdl:port name="EchoServiceSOAP11port_http" binding="ns0:EchoServiceSOAP11Binding">
            <soap:address location="http://localhost:8080/axis2/services/EchoService"/>
        </wsdl:port>
        <wsdl:port name="EchoServiceSOAP12port_http" binding="ns0:EchoServiceSOAP12Binding">
            <soap12:address location="http://localhost:8080/axis2/services/EchoService"/>
        </wsdl:port>
        <wsdl:port name="EchoServiceHttpport" binding="ns0:EchoServiceHttpBinding">

            <http:address location="http://localhost:8080/axis2/services/EchoService"/>
        </wsdl:port>
    </wsdl:service>
</wsdl:definitions>

To get this to work, since there are no partner link types i added a new file and imported
this generated one, that one looks like:

<definitions
    
     targetNamespace="http://ws.test"
     xmlns="http://schemas.xmlsoap.org/wsdl/"
     xmlns:ns0="http://ws.test"
     xmlns:plnk="http://schemas.xmlsoap.org/ws/2004/03/partner-link/"
     xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    >
    <import namespace="http://ws.test" location="EchoService.wsdl"/>

    <plnk:partnerLinkType name="EchoServicePartnerLinkType">
        <plnk:role name="EchoServiceProvider" portType="ns0:EchoServicePortType"/>
    </plnk:partnerLinkType>
</definitions>

I have also made a copy of the first WSDL, moved it to the appropriate http-provider service
unit and added the required

<smix:endpoint role="provider" defaultMep="in-out"/>

Line in the correct place.

Also, the BPEL source that calls it looks something like this (irrelevant parts removed):

 <bpws:import importType="http://schemas.xmlsoap.org/wsdl/" location="EchoServiceRef.wsdl"
namespace="http://ws.test"/>
....
 <bpws:partnerLinks>
      <bpws:partnerLink partnerRole="EchoServiceProvider" name="EchoServicePartnerLink"
partnerLinkType="echo:EchoServicePartnerLinkType"/>
 </bpws:partnerLinks>
....
<bpws:variable name="echoInput" messageType="echo:echoRequest"/>
<bpws:variable name="echoOutput" messageType="echo:echoResponse"/>
....
<bpws:invoke name="invokeEcho" partnerLink="EchoServicePartnerLink" portType="echo:EchoServicePortType"
operation="echo" inputVariable="echoInput" outputVariable="echoOutput"/>

finally my deploy.xml is as follows:

<?xml version="1.0" encoding="utf-8"?>
<deploy xmlns="http://ode.fivesight.com/schemas/2006/06/27/dd"
        xmlns:lpe="http://xmlns.apache.ode.com/LookupPracticeEndpoint"
 xmlns:echo="http://ws.test"
        xmlns:tns="http://xmlns.apache.ode.com/DynamicPLTest">
    <process name="tns:DynamicPLTest">
        <active>true</active>
        <provide partnerLink="TestPartnerLink">
            <service name="tns:TestProvider" port="TestPort"/>
        </provide>
        <invoke partnerLink="LookupPracticeEndpointPartnerLink">
         <service name="lpe:LookupPracticeEndpointProvider" port="LookupPracticeEndpointPort"/>
        </invoke>
        <invoke partnerLink="EchoServicePartnerLink">
         <service name="echo:EchoService" port="EchoServiceSOAP11port_http"/>
        </invoke>
    </process>
</deploy>

If anyone can see what im doing wrong id be very grateful some pointers information as im
certainly stuck! 

Thanks in advance,
Ian Harrigan

(PS: sorry about the HUGE post!)

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