Huh? Where did you get that idea? JBossTS JTA is LGPL. The optional JTS and XTS components are LGPL/Dual, but neither ships with JBossAS by default.
I'm sure Jonathan meant to say
- JTA is LGPL whereas JTS/XTS are *GPL*/Dual.
quote from JBossORG-EULA.txt
This License Agreement governs the use of the Software Packages and any updates to the Software
Packages, regardless of the delivery mechanism. Each Software Package is a collective work
under U.S. Copyright Law. Subject to the following terms, Red Hat, Inc. ("Red Hat") grants to
the user ("Client") a license to the applicable collective work(s) pursuant to the
GNU Lesser General Public License v. 2.1 except for the following Software Packages:
(a) JBoss Portal Forums and JBoss Transactions JTS, each of which is licensed pursuant to the
GNU General Public License v.2;
Neither JTS nor portal are included in the distribution. This is a general EULA.
The transaction manager included in 4.2 GA is the JTA version which is LGPL.