StAXOMBuilder was removed from Axis2 in 2016 since it was also removed from Axiom, where it came from.
See the commit below. It replaces StAXOMBuilder with CustomBuilderSupport. commit 42bfd45924f995ff06807e3b6591b4a77e028d97 Author: Andreas Veithen <veit...@apache.org> Date: Sat Jan 23 11:51:14 2016 +0000 Remove references to StAXOMBuilder. On Fri, May 13, 2022 at 3:32 AM Amir Razi <ami...@yahoo.com.invalid> wrote: > We are migrating from axis 1.7.2 to 1.8.0 and get class not found error > for: > > StAXOMBuilder:org.apache.axiom.om.impl.builder.StAXOMBuilder > Which JAR from axis2 1.8.0 binary download include the StAXOMBuilder? > > Regards, Amir Razi >