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From "Matthieu Riou" <matth...@offthelip.org>
Subject Re: Unable to perform an Assign using XPath 1.0 Expression: Getting Assignment Mismatch error
Date Mon, 14 Apr 2008 18:28:59 GMT
On Mon, Apr 14, 2008 at 9:55 AM, Christopher Riley <
criley@hkmconsultingllc.com> wrote:

> Hi,
>
> I am trying to execute a simple BPEL script that is copying from one
> element
> to another (from input to result). When I execute the script I get tan
> assignment mismatch error indicating that the Xpath failed to find a
> match.
> I am currently using Apache Ode 1.1.1, running within Apache Axis
> 1.3/Tomcat
> 6.
>
> BPEL Script:
>
> <?xml version="1.0" encoding="UTF-8"?> <bpws:process
> exitOnStandardFault="yes" name="SampleBroker"    suppressJoinFailure="yes"
> targetNamespace="http://www.gleeworks.net/SampleBroker"
> xmlns:bpws="http://docs.oasis-open.org/wsbpel/2.0/process/executable"
> xmlns:tns="http://www.gleeworks.net/SampleBroker">    <bpws:import
> importType="http://schemas.xmlsoap.org/wsdl/"
> location="SampleBroker.wsdl"
> namespace="http://www.gleeworks.net/SampleBroker" />
>  <bpws:partnerLinks>
> <bpws:partnerLink myRole="SampleBrokerProvider" name="client"
> partnerLinkType="tns:SampleBroker" />    </bpws:partnerLinks>
> <bpws:variables>        <bpws:variable
> messageType="tns:SampleBrokerRequestMessage"            name="input" />
> <bpws:variable messageType="tns:SampleBrokerResponseMessage"
> name="output" />    </bpws:variables>    <bpws:sequence name="main">
> <bpws:receive createInstance="yes" name="receiveInput"
> operation="process" partnerLink="client" portType="tns:SampleBroker"
> variable="input" />        <bpws:assign name="Assign" validate="no">
> <bpws:copy>                <bpws:from>                    <bpws:literal>
> <ns1:SampleBrokerResponse
> xmlns:ns1="http://www.gleeworks.net/SampleBroker.wsdl">
> <ns1:result />                        </ns1:SampleBrokerResponse>
> </bpws:literal>                </bpws:from>
> <bpws:to>$output.payload</bpws:to>            </bpws:copy>
> <bpws:copy>
>
> <bpws:from><![CDATA[$input.payload/SampleBrokerRequest/input]]></bpws:from>
> <bpws:to><![CDATA[$output.payload/SampleBrokerResponse/result]]></bpws:to>
> </bpws:copy>        </bpws:assign>        <bpws:reply name="replyOutput"
> operation="process"            partnerLink="client"
> portType="tns:SampleBroker" variable="output" />    </bpws:sequence>
> </bpws:process>
>
>
>
>
> WSDL:
>
> <?xml version="1.0"?> <definitions name="SampleBroker"
> targetNamespace="http://www.gleeworks.net/SampleBroker"
> xmlns:tns="http://www.gleeworks.net/SampleBroker"
> 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 types participating in this BPEL process
>  The
> BPEL Designer will generate default request and response types     but you
> can define or import any XML Schema type and use them as part      of the
> message types.
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
> <types>        <schema attributeFormDefault="unqualified"
> elementFormDefault="qualified"
> targetNamespace="http://www.gleeworks.net/SampleBroker"
> xmlns="http://www.w3.org/2001/XMLSchema">             <element
> name="SampleBrokerRequest">                <complexType>
> <sequence>                        <element name="input" type="string"/>
> </sequence>                </complexType>            </element>
> <element name="SampleBrokerResponse">                <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="SampleBrokerRequestMessage">        <part name="payload"
> element="tns:SampleBrokerRequest"/>    </message>    <message
> name="SampleBrokerResponseMessage">        <part name="payload"
> element="tns:SampleBrokerResponse"/>    </message> <!--
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> PORT TYPE DEFINITION - A port type groups a set of operations into     a
> logical service unit.
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
> <!-- portType implemented by the SampleBroker BPEL process -->
>  <portType
> name="SampleBroker">        <operation name="process">            <input
> message="tns:SampleBrokerRequestMessage" />            <output
> message="tns:SampleBrokerResponseMessage"/>        </operation>
> </portType>  <!--
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> PARTNER LINK TYPE DEFINITION
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
> <plnk:partnerLinkType name="SampleBroker">        <plnk:role
> name="SampleBrokerProvider" portType="tns:SampleBroker"/>
> </plnk:partnerLinkType>        <binding name="SampleBrokerBinding"
> type="tns:SampleBroker">        <soap:binding style="document"
> transport="http://schemas.xmlsoap.org/soap/http" />        <operation
> name="process">            <soap:operation
> soapAction="http://www.gleeworks.net/SampleBroker/process" />
> <input>                <soap:body use="literal" />            </input>
> <output>                <soap:body use="literal" />            </output>
> </operation>    </binding>    <service name="SampleBroker">       
<port
> binding="tns:SampleBrokerBinding" name="SampleBroker">
> <soap:address
> location="http://localhost:8080/ode/processes/SampleBroker
> "></soap:address>
> </port>    </service> </definitions>
>
>
Did you have a look at the FAQ [1]? The answer to the question "*My process
fails with a selectionFailure; What can I do?"* should help.

Matthieu

[1] http://ode.apache.org/faq.html



>
>
>
>
> --
> Chris Riley, Manager
> HKM Consulting LLC
> office:   508.763.4141
> mobile: 508.273.3102
> email:   criley@hkmconsultingllc.com
> web:     www.hkmconsultingllc.com
>
>
>
>

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