Human Workflow Task XPath query string returns multiple nodes.

Question

I am looking for trouble shooting help for this error. I am no sure if it is a server or jdev issue.
I am running JDev version 10.1.3.3 and console version 10.1.3.1.0 locally.
General information on the BPEL process:
I have a temporary table in Oracle lite that I created items to be review by the user. I created a synchronous BPEL process. The first step in developing this process, I created the straight forward invoke the table to get the records, transform the records with a change the approve flag = "Y", and invoke the table to update the records. Works like a charm. I followed the online tutorial by dropping a human task after the transform, configured the parameters, setup the assignments, and moved the invoke to update table under the approved condition. If the table has only one record, the process runs great but if there are two records I get the following error message.
<selectionFailure xmlns="http://schemas.xmlsoap.org/ws/2003/03/business-process/"><part name="summary"><summary>XPath query string returns multiple nodes.
According to BPEL4WS spec 1.1 section 14.3, The assign activity part and query /ns3:TempItemCollection/ns3:TempItem/ns3:ItemNbr should not return multipe nodes.
Please check the BPEL source at line number "178" and verify the part and xpath query /ns3:TempItemCollection/ns3:TempItem/ns3:ItemNbr.
</summary>
</part></selectionFailure>
=================
The error occurs in the first assign of the Human task after the assign copies the fields for the title. I underlined line number 178.
<correlationSets>
<correlationSet name="WorkflowTaskIdCor"
properties="taskservice:taskId"/>
</correlationSets>
<sequence>
<assign name="HumanTask1_1_AssignTaskAttributes">
<copy>
<from expression="concat(ora:getProcessURL(), string('/HumanTask1/HumanTask1.task'))"/>
<to variable="initiateTaskInput" part="payload"
query="/taskservice:initiateTask/task:task/task:taskDefinitionURI"/>
</copy>
<copy>
<from expression="number(3)"/>
<to variable="initiateTaskInput" part="payload"
query="/taskservice:initiateTask/task:task/task:priority"/>
</copy>
<copy>
<from>
<payload xmlns="http://xmlns.oracle.com/bpel/workflow/task">
<Case xmlns="http://xmlns.oracle.com/bpel/workflow/task"/>
<CourtDate xmlns="http://xmlns.oracle.com/bpel/workflow/task"/>
<ErrorMessage xmlns="http://xmlns.oracle.com/bpel/workflow/task"/>
<ItemName xmlns="http://xmlns.oracle.com/bpel/workflow/task"/>
<Payment xmlns="http://xmlns.oracle.com/bpel/workflow/task"/>
<Zip xmlns="http://xmlns.oracle.com/bpel/workflow/task"/>
<ProcessFlag xmlns="http://xmlns.oracle.com/bpel/workflow/task"/>
<LastUpdated xmlns="http://xmlns.oracle.com/bpel/workflow/task"/>
<AddedDate xmlns="http://xmlns.oracle.com/bpel/workflow/task"/>
<CityAttnyAmount xmlns="http://xmlns.oracle.com/bpel/workflow/task"/>
<ApprovalFlag xmlns="http://xmlns.oracle.com/bpel/workflow/task"/>
<ProlawKey xmlns="http://xmlns.oracle.com/bpel/workflow/task"/>
<ProcessKey xmlns="http://xmlns.oracle.com/bpel/workflow/task"/>
</payload>
</from>
<to variable="initiateTaskInput" part="payload"
query="/taskservice:initiateTask/task:task/task:payload"/>
</copy>
<copy>
<from expression="concat(string('Item Fee Approval '), bpws:getVariableData('Invoke_1_Select_RecordsSelect_OutputVariable','TempItemCollection','/ns3:TempItemCollection/ns3:TempItem/ns3:ItemName'))"/>
<to variable="initiateTaskInput" part="payload"
query="/taskservice:initiateTask/task:task/task:title"/>
</copy>
<copy>
<from variable="Invoke_1_Select_RecordsSelect_OutputVariable"
part="TempItemCollection"
query="/ns3:TempItemCollection/ns3:TempItem/ns3:ItemNbr"/>
<to variable="initiateTaskInput" part="payload"
query="/taskservice:initiateTask/task:task/task:payload/task:Item"/>
</copy>
<copy>
Thank you for any help you can give me.

Answer 1

Here is how I solved this problem: I was told by the metalink folks that I should use the same verion of SOA console as jdev. So I went back to jdev 10.1.3.1. Rather than reading from the Oracle lite table, I dumped the table into a flat file. I read flat file and populated the workflow. Remember to set the 'messages in batch' flag in the file adapter to 1 and the number of records to skip to zero in the format builder for the flat file. The process now reads each record and creates an instance for that each record. In other words, if I have 8 records in my flat file, I will have 8 instances of the process running on the console. Thanks Jeremy for your help figuring this out.
Edited by: user7725126 on Nov 19, 2009 3:56 PM