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From ratha <rat...@wso2.com>
Subject Re: Error of null value after having assigned
Date Wed, 19 Nov 2008 04:20:48 GMT


Hi binh,

I think you misunderstood me.. I meant you shoud define the WSDL 
namespaces with the process name tag.
<process
    name="testBP"
    targetNamespace="http://enterprise.netbeans.org/bpel/StringBP/testBP"
    xmlns:tns="http://enterprise.netbeans.org/bpel/StringBP/testBP"
    xmlns="http://docs.oasis-open.org/wsbpel/2.0/process/executable"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    xmlns:str="http://MyWS/"
    xmlns:ns0="http://docs.oasis-open.org/wsbpel/2.0/process/executable"
    xmlns:ns1="http://j2ee.netbeans.org/wsdl/testBP">

In the above segment have you mentioned the StringWSServiceWrapper.wsdl 
file?
It should be like this,
<process
    name="testBP"
    targetNamespace="http://enterprise.netbeans.org/bpel/StringBP/testBP"
    xmlns:tns="http://enterprise.netbeans.org/bpel/StringBP/testBP"
    xmlns="http://docs.oasis-open.org/wsbpel/2.0/process/executable"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
  -------------------------------------------------
-------------------------------------------------
xmlns:ns5="http://enterprise.netbeans.org/bpel/StringWSServiceWrapper">

and use at the partner link definition as,

      <partnerLink name="StringPL" partnerLinkType="ns5:StringWSLinkType" partnerRole="StringWSRole"/>

With your earlier design, StringPL partnerlink didn't have partner role or PartnerLinkType.
 
You might think, then why  its right for the 2nd partnerlink. But you are using same namespace
tag for both "*tns*"
(bpel and the wsdl(which you defined at the top))         

Hope you will get it...

thanks,
ratha.


binh nguyen wrote:
> Hi Ratha,
>
> Actually, the partnerLinkType  StringWSLinkType is defined in another WSDL
> file that I forgot not to attach in the last mail. Here is the file:
>
> file StringWSServiceWrapper.wsdl
>
> <?xml version="1.0" encoding="UTF-8"?>
>
> <definitions
>     name="StringWSServiceWrapper"
>     targetNamespace="
> http://enterprise.netbeans.org/bpel/StringWSServiceWrapper"
>     xmlns="http://schemas.xmlsoap.org/wsdl/"
>     xmlns:tns="http://enterprise.netbeans.org/bpel/StringWSServiceWrapper"
>     xmlns:plnk="http://docs.oasis-open.org/wsbpel/2.0/plnktype"
>     xmlns:ns="http://MyWS/">
>
>     <import location="StringWSService.wsdl" namespace="http://MyWS/"/>
>     <plnk:partnerLinkType name="StringWSLinkType">
>         <plnk:role name="StringWSRole" portType="ns:StringWS"/>
>     </plnk:partnerLinkType>
> </definitions>
> --------------------
>
> Thank you very much for your attention and suggestions.
> Please check it again for me, because I really need to fix this issue!
>
> Cheers,
> Binh.
>
>
> 2008/11/19 ratha <rathav@wso2.com>
>
>   
>> Hi Binh,
>> I can find an error in your partnerlink definition. You defined as,
>> /<partnerLinks>
>>       <partnerLink name="StringPL"
>>  partnerLinkType="tns:StringWSLinkType"partnerRole="StringWSRole"
>>           initializePartnerRole="yes" xmlns:tns="
>> http://enterprise.netbeans.org/bpel/StringWSServiceWrapper"/>
>>       <partnerLink name="TestPartnerLink"            xmlns:tns="
>> http://j2ee.netbeans.org/wsdl/testBP"
>>           partnerLinkType="tns:testBPLT" myRole="testBPPortTypeRole"/>
>>   </partnerLinks>
>>
>> /StringPL is wrong.. Name space should be the relevant WSDL files name
>> space..You need to define at the start (with <bpel:process name> tag)
>> So your StringPL doesnt have partnerlinktype or partner role...May cause an
>> error..
>>
>> Thanks.
>> regards,
>> ratha.
>>
>> binh nguyen wrote:
>>
>>     
>>> Hi everyone,
>>> I have a trouble with the assign activity, when the value of a variable is
>>> always NULL after having been assigned NOT NULL value.
>>> Here I show the bpel and wsdl files:
>>>
>>> bpel file: testBP.bpel
>>>
>>> <?xml version="1.0" encoding="UTF-8"?>
>>> <process
>>>    name="testBP"
>>>    targetNamespace="http://enterprise.netbeans.org/bpel/StringBP/testBP"
>>>    xmlns:tns="http://enterprise.netbeans.org/bpel/StringBP/testBP"
>>>    xmlns="http://docs.oasis-open.org/wsbpel/2.0/process/executable"
>>>    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
>>>    xmlns:str="http://MyWS/"
>>>    xmlns:ns0="http://docs.oasis-open.org/wsbpel/2.0/process/executable"
>>>    xmlns:ns1="http://j2ee.netbeans.org/wsdl/testBP">
>>>
>>>    <import namespace="http://j2ee.netbeans.org/wsdl/testBP"
>>>        location="testBP.wsdl"
>>>        importType="http://schemas.xmlsoap.org/wsdl/"/>
>>>    <import namespace="
>>> http://enterprise.netbeans.org/bpel/StringWSServiceWrapper"
>>>        location="StringWSServiceWrapper.wsdl"
>>>        importType="http://schemas.xmlsoap.org/wsdl/"/>
>>>    <import namespace="http://MyWS/"
>>>        location="StringWSService.wsdl"
>>>        importType="http://schemas.xmlsoap.org/wsdl/"/>
>>>
>>>    <partnerLinks>
>>>        <partnerLink name="StringPL"
>>>            xmlns:tns="
>>> http://enterprise.netbeans.org/bpel/StringWSServiceWrapper"
>>>            partnerLinkType="tns:StringWSLinkType"
>>> partnerRole="StringWSRole"
>>>            initializePartnerRole="yes"/>
>>>        <partnerLink name="TestPartnerLink"
>>>            xmlns:tns="http://j2ee.netbeans.org/wsdl/testBP"
>>>            partnerLinkType="tns:testBPLT" myRole="testBPPortTypeRole"/>
>>>    </partnerLinks>
>>>    <variables>
>>>        <variable name="TestOneWayOut"
>>> messageType="str:testOneWayResponseMsg"/>
>>>        <variable name="TestOneWayIn" messageType="str:testOneWayMsg"/>
>>>
>>>        <variable name="TestStringOut"
>>> messageType="str:testStringResponseMsg"/>
>>>        <variable name="TestStringIn" messageType="str:testStringMsg"/>
>>>
>>>        <variable name="TestBPOperationOut" xmlns:tns="
>>> http://j2ee.netbeans.org/wsdl/testBP"
>>>            messageType="tns:testBPOperationResponseMsg"/>
>>>        <variable name="TestBPOperationIn" xmlns:tns="
>>> http://j2ee.netbeans.org/wsdl/testBP"
>>>            messageType="tns:testBPOperationRequestMsg"/>
>>>    </variables>
>>>    <sequence>
>>>        <receive name="Receive1" createInstance="yes"
>>>            partnerLink="TestPartnerLink"
>>>            operation="testBPOperation"
>>>            xmlns:tns="http://j2ee.netbeans.org/wsdl/testBP"
>>>            portType="tns:testBPPortType"
>>>            variable="TestBPOperationIn"/>
>>>        <assign name="InitMainVars">
>>>
>>>            <copy>
>>>                <from>
>>>                    <literal>
>>>                        <tns:testBPOperationResponse xmlns:tns="
>>> http://j2ee.netbeans.org/wsdl/testBP">
>>>                            <tns:return/>
>>>                        </tns:testBPOperationResponse>
>>>                    </literal>
>>>                </from>
>>>                <to>$TestBPOperationOut.partOut</to>
>>>            </copy>
>>>
>>>        </assign>
>>>
>>>        <assign name="InitTestOneWayVars">
>>>            <copy>
>>>                <from>
>>>                    <literal>
>>>                        <tns:testOneWay xmlns:tns="http://MyWS/">
>>>
>>>                        </tns:testOneWay>
>>>                    </literal>
>>>                </from>
>>>                <to>$TestOneWayIn.parameters</to>
>>>            </copy>
>>>
>>>            <copy>
>>>                <from>
>>>                    <literal>
>>>                        <tns:testOneWayResponse xmlns:tns="http://MyWS/">
>>>                            <tns:return>NoChange</tns:return>
>>>                        </tns:testOneWayResponse>
>>>                    </literal>
>>>                </from>
>>>                <to>$TestOneWayOut.parameters</to>
>>>            </copy>
>>>
>>>            <copy>
>>>                <from variable="TestBPOperationIn" part="partIn"/>
>>>                <to>$TestOneWayIn.parameters</to>
>>>            </copy>
>>>        </assign>
>>>
>>>        <invoke name="InvokeTestOneWay" partnerLink="StringPL"
>>>            operation="testOneWay"
>>>            portType="str:StringWS"
>>>            inputVariable="TestOneWayIn"
>>>            outputVariable="TestOneWayOut"/>
>>>
>>>
>>>        <assign name="InitTestStringVars">
>>>            <copy>
>>>                <from>
>>>                    <literal>
>>>                        <tns:testString xmlns:tns="http://MyWS/">
>>>                            <tns:input></tns:input>
>>>                        </tns:testString>
>>>                    </literal>
>>>                </from>
>>>                <to>$TestStringIn.parameters</to>
>>>            </copy>
>>>            <copy>
>>>                <from>
>>>                    <literal>
>>>                        <tns:testStringResponse xmlns:tns="http://MyWS/">
>>>                            <tns:return></tns:return>>
>>>                        </tns:testStringResponse>
>>>                    </literal>
>>>                </from>
>>>                <to>$TestStringOut.parameters</to>
>>>            </copy>
>>>
>>> *<!-- Error from this assign, the variable TestStringIn is always NULL
>>> after
>>> this asign -->*
>>>
>>>            <copy>
>>>                <!--<from part="partIn" variable="TestBPOperationIn"
>>> query="/partIn/input"/>
>>>                -->
>>>                <from>$TestBPOperationIn.partIn/ns1:input</from>
>>>                <to part="parameters" variable="TestStringIn" />
>>> <!--
>>>                <from>
>>>                    <literal>
>>>                        <tns:input xmlns:tns="http://MyWS/">
>>>
>>> <![CDATA[$TestBPOperationIn.parameters/ns1:input]]>
>>>                        </tns:input>
>>>                    </literal>
>>>                </from>
>>>  -->
>>>
>>>            </copy>
>>>
>>>        </assign>
>>>
>>> *<!-- TestStringIn is NULL in this INVOKE -->*
>>>
>>>        <invoke name="InvokeTestString" partnerLink="StringPL"
>>>            operation="testString"
>>>            portType="str:StringWS"
>>>            inputVariable="TestStringIn"
>>>            outputVariable="TestStringOut"/>
>>>
>>>        <assign name="Assign2">
>>>
>>>            <copy>
>>>                <from>concat($TestBPOperationIn.partIn/ns1:input, '-&gt;',
>>>                    $TestOneWayOut.parameters, '-&gt;',
>>>                    $TestStringOut.parameters, '-&gt;', ' OK!')
>>>                </from>
>>>                <to variable="TestBPOperationOut" part="partOut"></to>
>>>            </copy>
>>>
>>>        </assign>
>>>
>>>        <reply name="Reply1" partnerLink="TestPartnerLink"
>>>            operation="testBPOperation"
>>>            xmlns:tns="http://j2ee.netbeans.org/wsdl/testBP"
>>>            portType="tns:testBPPortType"
>>>            variable="TestBPOperationOut"/>
>>>    </sequence>
>>> </process>
>>> --------------------
>>>
>>> wsdl file: testBP.wsdl
>>>
>>> <?xml version="1.0" encoding="UTF-8"?>
>>> <definitions name="testBP"
>>>    targetNamespace="http://j2ee.netbeans.org/wsdl/testBP"
>>>    xmlns="http://schemas.xmlsoap.org/wsdl/"
>>>    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
>>>    xmlns:tns="http://j2ee.netbeans.org/wsdl/testBP"
>>>    xmlns:plnk="http://docs.oasis-open.org/wsbpel/2.0/plnktype"
>>>    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://j2ee.netbeans.org/wsdl/testBP"
>>>                xmlns="http://www.w3.org/2001/XMLSchema">
>>>
>>>            <element name="testBPOperationRequest">
>>>                <complexType>
>>>                    <sequence>
>>>                        <element name="input" type="xsd:string"/>
>>>                    </sequence>
>>>                </complexType>
>>>            </element>
>>>
>>>            <element name="testBPOperationResponse">
>>>                <complexType>
>>>                    <sequence>
>>>                        <element name="return" type="xsd:string"/>
>>>                    </sequence>
>>>                </complexType>
>>>            </element>
>>>
>>>        </schema>
>>>    </types>
>>>
>>>    <message name="testBPOperationRequestMsg">
>>>        <part name="partIn" element="tns:testBPOperationRequest"/>
>>>    </message>
>>>    <message name="testBPOperationResponseMsg">
>>>        <part name="partOut" element="tns:testBPOperationResponse"/>
>>>    </message>
>>>
>>>    <portType name="testBPPortType">
>>>        <operation name="testBPOperation">
>>>            <input name="input1" message="tns:testBPOperationRequestMsg"/>
>>>            <output name="output1"
>>> message="tns:testBPOperationResponseMsg"/>
>>>        </operation>
>>>    </portType>
>>>    <binding name="testBPBinding" type="tns:testBPPortType">
>>>        <soap:binding style="document" transport="
>>> http://schemas.xmlsoap.org/soap/http"/>
>>>        <operation name="testBPOperation">
>>>            <soap:operation/>
>>>            <input name="input1">
>>>                <soap:body use="literal" />
>>>            </input>
>>>            <output name="output1">
>>>                <soap:body use="literal" />
>>>            </output>
>>>        </operation>
>>>    </binding>
>>>    <service name="testBPService">
>>>        <port name="testBPPort" binding="tns:testBPBinding">
>>>            <soap:address location="
>>> http://localhost:8080/ode/processes/testBP"/>
>>>            <!--<soap:address location="
>>> http://localhost:8080/active-bpel/services/testBP"/>-->
>>>        </port>
>>>    </service>
>>>    <plnk:partnerLinkType name="testBPLT">
>>>
>>>        <plnk:role name="testBPPortTypeRole"
>>> portType="tns:testBPPortType"/>
>>>    </plnk:partnerLinkType>
>>> </definitions>
>>> ------------
>>> more wsdl file StringWSService.wsdl
>>>
>>> <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
>>> <!-- Generated by JAX-WS RI at http://jax-ws.dev.java.net. RI's version
>>> is
>>> JAX-WS RI 2.1.4-b01-. -->
>>> <definitions targetNamespace="http://MyWS/"
>>>    name="StringWSService"
>>>    xmlns="http://schemas.xmlsoap.org/wsdl/"
>>>    xmlns:tns="http://MyWS/"
>>>    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
>>>    xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/">
>>>  <types>
>>>    <xsd:schema>
>>>      <xsd:import namespace="http://MyWS/"
>>> schemaLocation="StringWSService_schema1.xsd"/>
>>>    </xsd:schema>
>>>  </types>
>>>  <message name="testStringMsg">
>>>    <part name="parameters" element="tns:testString"/>
>>>  </message>
>>>  <message name="testStringResponseMsg">
>>>    <part name="parameters" element="tns:testStringResponse"/>
>>>  </message>
>>>  <message name="testOneWayMsg">
>>>    <part name="parameters" element="tns:testOneWay"/>
>>>  </message>
>>>  <message name="testOneWayResponseMsg">
>>>    <part name="parameters" element="tns:testOneWayResponse"/>
>>>  </message>
>>>  <portType name="StringWS">
>>>    <operation name="testString">
>>>      <input message="tns:testStringMsg"/>
>>>      <output message="tns:testStringResponseMsg"/>
>>>    </operation>
>>>    <operation name="testOneWay">
>>>      <input message="tns:testOneWayMsg"/>
>>>      <output message="tns:testOneWayResponseMsg"/>
>>>    </operation>
>>>  </portType>
>>>  <binding name="StringWSPortBinding" type="tns:StringWS">
>>>    <soap:binding transport="http://schemas.xmlsoap.org/soap/http"
>>> style="document"/>
>>>    <operation name="testString">
>>>      <soap:operation soapAction=""/>
>>>      <input>
>>>        <soap:body use="literal"/>
>>>      </input>
>>>      <output>
>>>        <soap:body use="literal"/>
>>>      </output>
>>>    </operation>
>>>    <operation name="testOneWay">
>>>      <soap:operation soapAction=""/>
>>>      <input>
>>>        <soap:body use="literal"/>
>>>      </input>
>>>      <output>
>>>        <soap:body use="literal"/>
>>>      </output>
>>>    </operation>
>>>  </binding>
>>>  <service name="StringWSService">
>>>    <port name="StringWSPort" binding="tns:StringWSPortBinding">
>>>      <soap:address location="http://localhost:8080/MyWS/StringWS"/>
>>>    </port>
>>>  </service>
>>> </definitions>
>>> --------------------
>>>
>>> In the testBP.bpel file, the value of variable TestStringIn is always NULL
>>> event after it has been assigned by Non NULL value.
>>> I do not know how to assign it correctly?
>>> Any advice is appreciated!
>>> Binh.
>>>
>>>  ------------------------------------------------------------------------
>>>
>>>
>>> No virus found in this incoming message.
>>> Checked by AVG - http://www.avg.com Version: 8.0.175 / Virus Database:
>>> 270.9.4/1791 - Release Date: 11/15/2008 6:57 PM
>>>
>>>
>>>
>>>       
>>     
>
>   
> ------------------------------------------------------------------------
>
>
> No virus found in this incoming message.
> Checked by AVG - http://www.avg.com 
> Version: 8.0.175 / Virus Database: 270.9.4/1791 - Release Date: 11/15/2008 6:57 PM
>
>   


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