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From "Alex Boisvert" <boisv...@intalio.com>
Subject Re: null parent exception in bpel assign
Date Sun, 13 Apr 2008 14:08:28 GMT
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.

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
>
> --
> ----------------------------------------
> Claudio Cacciari - c.cacciari@cineca.it
> System and Technology Department
> CINECA - http://www.cineca.it
>
>

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