Unable to count nodes

Hi,
In a BPEL process I am working on there is an assignment activity where I assign the count of nodes as a result of a database query. This assignment is failing and am not able to figure out why.
Here is the bpel fragment for the assignment
*<assign name="Assign_1" bpelx:validate="yes">*
*<copy>*
*<from expression="ora:countNodes(bpws:getVariableData('Receive_1_receive_InputVariable','VvwshFmsHeadersCollection','/ns3:VvwshFmsHeadersCollection/ns3:VvwshFmsHeaders/ns3:vvwshFmsDetailsCollection/ns3:VvwshFmsDetails'))"/>*
*<to variable="FMSDetailCount"/>*
*</copy>*
*</assign>*
I am polling the database for some parent-child records. The intention is to count the number of child records in the collection.
Thanks in advance for your time and help. Please let me know if additional information is required.
Harish

Hi,
Just to be sure, my first solution is different from your solution, this is the one you tried ?
Mine : ora:countNodes('Receive_1_receive_InputVariable','VvwshFmsHeadersCollection','/ns3:VvwshFmsHeadersCollection/ns3:VvwshFmsHeaders/ns3:vvwshFmsDetailsCollection/ns3:VvwshFmsDetails')
Yours : ora:countNodes(bpws:getVariableData('Receive_1_receive_InputVariable','VvwshFmsHeadersCollection','/ns3:VvwshFmsHeadersCollection/ns3:VvwshFmsHeaders/ns3:vvwshFmsDetailsCollection/ns3:VvwshFmsDetails'))
romain.

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Edited by: Sasmit on Jun 6, 2011 6:09 AM

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