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From Richard Hillegas <>
Subject Derby version in Spark
Date Tue, 22 Sep 2015 20:28:29 GMT

I see that lib_managed/jars holds these old Derby versions:


The Derby 10.10 release family supports some ancient JVMs: Java SE 5 and
Java ME CDC/Foundation Profile 1.1. It's hard to imagine anyone running
Spark on the resource-constrained Java ME platform. Is Spark really
deployed on Java SE 5? Is there some other reason that Spark uses the 10.10
Derby family?

If no-one needs those ancient JVMs, maybe we could consider changing the
Derby version to or even to the upcoming release (both
run on Java 6 and up).

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