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From claudio cacciari <c.cacci...@cineca.it>
Subject Re: null parent exception in bpel assign
Date Tue, 15 Apr 2008 08:59:57 GMT
Hi Alex,

Alex Boisvert wrote:
> Hi Claudio,
>
> My guess would be that your message format doesn't match the service
> description, or hasn't been properly fed into the JBI bus.  We would need to
> see your incoming mesage to determine this.
>   

Right.
I wasn't able previously to see the incoming message because I had 
problems with logging libraries.
I solved them and discovered that the root element of that message was 
wrong and that caused the ODE error.

Thanks.

Claudio


> alex
>
>
> On Fri, Apr 11, 2008 at 7:45 AM, claudio cacciari <c.cacciari@cineca.it>
> wrote:
>
>   
>> Hi All,
>>
>> I got this error, using ODE 1.1 with ServiceMix 3.1 :
>>
>> ERROR [pool-6-thread-3] (GeronimoLog.java:108) - Method "run" in class
>> "org.apache.ode.bpel.runtime.ASSIGN" threw an unexpected exception.
>> java.lang.IllegalArgumentException: null parent
>>   at org.apache.ode.utils.DOMUtils.findChildByName(DOMUtils.java:745)
>>   at org.apache.ode.utils.DOMUtils.findChildByName(DOMUtils.java:740)
>>   at
>> org.apache.ode.bpel.runtime.ScopeFrame.getPartData(ScopeFrame.java:271)
>>   at
>> org.apache.ode.bpel.runtime.ScopeFrame.fetchVariableData(ScopeFrame.java:222)
>>   at
>> org.apache.ode.bpel.runtime.ExprEvaluationContextImpl.readVariable(ExprEvaluationContextImpl.java:91)
>>   at
>> org.apache.ode.bpel.elang.xpath10.runtime.JaxenContexts.getVariableValue(JaxenContexts.java:173)
>>   at org.jaxen.ContextSupport.getVariableValue(ContextSupport.java:224)
>>   at org.jaxen.Context.getVariableValue(Context.java:185)
>>   at
>> org.jaxen.expr.DefaultVariableReferenceExpr.evaluate(DefaultVariableReferenceExpr.java:121)
>>   at org.jaxen.expr.DefaultPathExpr.evaluate(DefaultPathExpr.java:148)
>>   at org.jaxen.expr.DefaultXPathExpr.asList(DefaultXPathExpr.java:112)
>>   at org.jaxen.BaseXPath.selectNodesForContext(BaseXPath.java:688)
>>   at org.jaxen.BaseXPath.selectNodes(BaseXPath.java:227)
>>   at
>> org.apache.ode.bpel.elang.xpath10.runtime.XPath10ExpressionRuntime.evaluate(XPath10ExpressionRuntime.java:98)
>>   at
>> org.apache.ode.bpel.runtime.ExpressionLanguageRuntimeRegistry.evaluate(ExpressionLanguageRuntimeRegistry.java:80)
>>   at org.apache.ode.bpel.runtime.ASSIGN.evalRValue(ASSIGN.java:194)
>>
>> The related bpel assign is :
>>
>> <assign name="d25_tanslated_mesh_filename">
>> <copy>
>> <from xmlns:grid="http://www.a-ware.org/jbi/xsd/grid" xmlns:mail="
>> http://www.a-ware.org/grid/applications/maillatools-2_0/xsd
>> ">$n4_maillatools_data_out.body/grid:outfiles/grid:file[1]</from>
>> <to xmlns:grid="http://www.a-ware.org/jbi/xsd/grid
>> ">$n5_fileTransfer_data_in.body/grid:src</to>
>> </copy>
>> </assign>
>>
>> If I understand correctly, the error means that the part of the wsdl
>> message associated to $n4_maillatools_data_out is null.
>> The variable is :
>>
>> <variable name="n4_maillatools_data_out"
>> messageType="mai:maillatools-2_0Output"/>
>>
>> and the wsdl message:
>>
>> <wsdl:message name="maillatools-2_0Output">
>>   <wsdl:part element="ns0:maillatools-2_0.response" name="body">
>>   </wsdl:part>
>>  </wsdl:message>
>>
>> The code I use to create the response message of the service, which
>> replies to ODE is:
>>
>>   MessageExchange mex;
>>   ServiceMixClient client;
>>
>>   org.w3c.dom.Document rep = this.handleReply(um.getTask());
>>   javax.jbi.messaging.NormalizedMessage out = this.mex.createMessage();
>>   out.setProperty(PojoMarshaler.BODY, rep);
>>   out.setContent(new DOMSource(rep));
>>   this.mex.setMessage(out, "out");
>>   client.sendSync(this.mex);
>>
>> Do you know what is it wrong ?
>> Any help is appreciated.
>>
>> Thanks and Regards,
>> Claudio Cacciari
>>     

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