From: Tom Mueller <tom.mueller_at_oracle.com>
Date: Thu, 23 Feb 2012 16:23:42 -0600

I'm not sure if this is the problem, but Java SE 1.6.0_22 is the minimum
Java version that is supported with 3.1.1. However, the reason for that
minimum is related to SSL support, so I'm surprised to see a
ClassNotFoundException in the JAXB area.

Tom