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BTM is distributed under the terms of the GNU Lesser General Public License. You must agree with all the terms of the license before you can use this software.

You will need JDK 1.5 or higher to use BTM 2.1.0 or higher. BTM versions up to 2.0.1 work with JDK 1.4. Older JDK versions are not supported.

Latest stable version

BTM 2.1.3 (released 2012-05-21).

New features and bugs fixed in this release

General concurrency fixes and improvements. BTM is now much more concurrent than before and should be much faster than before when used in a heavily multi-threaded environment.
BTM-98 Getting details on Oracle XA Exception
BTM-103 Ability to debug 'executing transaction with 0 enlisted resource' error message
BTM-108 Exception not handled properly in beforeCompletion event during commit()
BTM-109 Enable bitronix.tm.resource.common.XAPool to accept a properties object as driverproperties value instead of only strings, so oracle's connectionproperties can be set
BTM-114 erroneous java.sql.Wrapper implementation
BTM-117 XAException.XAER_RMERR should be treated as an error
BTM-119 BTM unable to provide a valid connection when a firewall drops idle connections

Archived versions

They are all in the Download Archive.