Apache Axiom version 1.1, released this week, is more stable with numerous bug fixes and improvements of the code including the XML serialization, MTOM handling and Tree handling with multiple partial built elements.
Apache AXIOM is a StAX-based, XML Infoset compliant object model which supports on-demand building of the object tree. It supports a novel "pull-through" model which allows one to turn off the tree building and directly access the underlying pull event stream. It also has built-in support for XML Optimized Packaging (XOP) and MTOM, the combination of which allows XML to carry binary data efficiently and in a transparent manner. The combination of these results in a easy to use API with a very high performance architecture!
Read more about Apache Axiom on the WSO2 OxygenTank here
or download the latest release here