Xpath in BPEL: How to extract from message type to string

Hi all,
I am currently trying to extract all content from a special message type to a string. The special message is really just simple XML.
However, I wish to convert the special domain specific message to a string to send to another partnerlink.
I figured that it would be a simple matter of using an assign / copy operation using the special message and the ora:getContentAsString function.
This does not work :-(
I get the following error in the domain log:
ORABPEL-05002
Message handle error.
An exception occurred while attempting to process the message "com.collaxa.cube.engine.dispatch.message.invoke.InvokeInstanceMessage"; the exception is: XPath expression failed to execute.
Error while processing xpath expression, the expression is "ora:getContentAsString(bpws:getVariableData('businessEventBody'))", the reason is FOTY0001: type error.
Please verify the xpath query.
Does anyone have any ideas on how to solve this?
Regards,
Aagaard

Hi,


Let me explain the scenerio:


I XSD I have is:


<xs:schema xmlns:xs="<a href="http://www.w3.org/2001/XMLSchema">http://www.w3.org/2001/XMLSchema</a>"
targetNamespace="**************"
<xs:element name="OrdDesc">
<xs:complexType>
<xs:sequence>
<xs:element name="ord" type="number10" />
<xs:element name="ord_name" type="varchar2150" />
<xs:element name=ord_add1" type="varchar2240" minOccurs="0" /> <xs:element name="ord_add2" type="varchar2240" minOccurs="0" /> <xs:element name="ord_city" type="varchar2120" minOccurs="0" /> <xs:element name="county" type="varchar2250" minOccurs="0" /> </xs:sequence> </xs:complexType> </xs:element> </xs:schema> The runtime XML I would get: <?xml version="1.0" encoding="UTF-8" ?> <Messages> <Message> <family>New</family> <type>OrderCreate</type> <id>22</id> <messageID/> <routingInfo/> <messageData><![CDATA[<!DOCTYPE *************"> <OrdDesc> <ord>22</wh> <ord_name>Ord1</wh_name> <ord_add1>Park Avenue</wh_add1> <ord_add2/> <ord_city>XYZ</wh_city> <county/> </OrdDesc>]]></messageData> </Message> <Message> <family>New</family> <type>OrderMod</type> <id>22</id> <messageID/> <routingInfo/> <messageData><![CDATA[<!DOCTYPE *************"> <OrdDesc> <ord>22</wh> <ord_name>Ord1</wh_name> <ord_add1>Park Avenue</wh_add1> <ord_add2/> <ord_city>XYZ</wh_city> <county/> </OrdDesc>]]></messageData> </Message> </Messages> Now, the Msg type(<type>OrderCreate</type>) I am referring to is not the part of XSD, it gets generated at the time message is created. That's why I don't see that tag in the payload. Payload shows the elements of XSD. Please help.

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>
john j wrote:
> Hi,
>
> We are picking an xml file from the FTP server of the client.
>
> We have source message type 'MT_Invoice' with data type as 'DT_Invoice'.
>
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>
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> .
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>
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>
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Xpath in BPEL: How to extract from message type to string

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