[Bug: JComboBox + JNavigationBinding] Two entries with same attr. values

Given the folowing situation:
A straightforward ViewObject + table (ID, NAME) + some contents.
However, the table contains 2 records which have the same value for NAME.
Now, in my JClient application I drop a JComboBox on a JPanel and define that it should have a NavigationBinding with the ViewObject, while displaying the Name attribute.
Because the table holds 2 records with the same value for the column NAME, there will be 2 identical items in the JComboBox. However, I am now unable to select the 2nd duplicate from the list. When I do, the selection (and thus currency) will always be set to the 1st of both duplicates.
This problem can be reproduced in the JClient demo application, on the "JULabel demo tab". Just add an existing state (with a unique abbreviation) to the database and alter the NavigationBinding to display the Name attribute instead of the Abbreviation attribute.

I've tried the application again, but the problem still exists unfortunately.
For the record, the problem occurs both with the original JDK 1.3.1_02 and the current 1.4.0_01. The fact that I run JDev itself with either of these 2 JDK's doesn't seem to make any difference either.
My JDev version infos:
Version 9.0.3.1 (build 1107)
Oracle IDE     9.0.3.10.76
UML Modelers Version     9.0.3.9.73
Business Components Version     9.0.3.10.62
SCM Support Version     9.0.3.9.73
JMIG Framework (Generators)     9.0.4.1.28
java.version     1.4.0_01
java.home     c:\j2sdk1.4.0_01\jre
java.vm.name     OJVM Client VM
java.vm.vendor     Oracle Corp.
java.vm.version     9.0.3.744 o
user.language     nl
user.region     <no value assigned>
user.name     AvdKolk
user.home     C:\Documents and Settings\AvdKolk
user.dir     D:\JDeveloper 9.0.3\jdev\bin
ide.user.dir
os.name     Windows XP
os.arch     x86
http.proxyHost     <no value assigned>
http.proxyPort     <no value assigned>
http.nonProxyHosts     <no value assigned>
ide.patches     scmtoolbarpatch2.jar

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