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[eclipselink-users] EclipseLink dropping Exception cause?


I used Proguard to removed unused classes, too many in fact, and now I get
the following exception:

[EL Warning]: 2008.09.27
[EclipseLink-4002] (Eclipse Persistence Services - 1.0.1 (Build 20080905)):
org.eclipse.persistence.exceptions.DatabaseException Internal Exception:
java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
Error Code: 0

I'm wondering why SQLException is missing a "cause". Did EclipseLink drop it
or did Derby? I absolutely need the cause in order to figure out what class
needs to be kept.

Thank you,
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