DB Adapter: Polling For New Records returns the First record multiple Times

I Polling for New or Chnaged Records against DB2 on iSeries. The DB Adapter returns the first record from the Table multiple Times. If the Table has 5 records it displays the first record 5 times. I am using BPEL 10.1.3.1 Can anyone help me with this.

Hi there,
please check out the DBAdapter trouble-shooting guide:
http://download-east.oracle.com/docs/cd/B31017_01/integrate.1013/b28994/app_trblshoot.htm#CIHFEHFA
I am copying an entry from there into here:
A.1.21 Some Queried Rows Appear Twice or Not at All in the Query Result
Problem
When you execute a query, you may get the correct number of rows, but some rows appear multiple times and others do not appear at all.
This behavior is typically because the primary key is configured incorrectly. If the database adapter reads two different rows that it thinks are the same (for example, the same primary key), then it writes both rows into the same instance and the first row's values are overwritten by the second row's values.
Solution
Open Application Sources > TopLink > TopLink Mappings. In the Structure window, double-click PHONES. On the first page, you should see Primary Keys. Make sure that the correct columns are selected to make a unique constraint.
Save and then edit the database partner link.
Click Next to the end, and then click Finish and Close.
Open your toplink_mappings.xml file. For the PHONES descriptor, you should see something like this:
<primary-key-fields>
<field>PHONES.ID1</field>
<field>PHONES.ID2</field>
</primary-key-fields>
Thanks
Steve

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