runtime binding of jaxb generated object with interface

HI I am in process of migration step . Our requirement is that our jaxb
generated class implements javax.xml.bind.element as happened in JAXB1.x to
continue with legacy code which we can't change.

So the workaround we are trying is that through jaxb2 insertion plugin we bind
the jaxb generated java object through external binding file . We followed the
exact process in the links given below but we are getting the following
exception

Error Message:
java.util.ServiceConfigurationError: com.sun.tools.xjc.Plugin:
org.jvnet.jaxb2_commons.IfInsertPluginImpl could not be instantiated

Any help on this would be greatly aoppreciated

The links we followed:
[http://fisheye5.atlassian.com/browse/~raw,r=1.1/jaxb2-commons/www/interface-](http://fisheye5.atlassian.com/browse/~raw,r=1.1/jaxb2-commons/www/interface-)
insertion/index.html
#### Environment
Operating System: All
Platform: All
#### Affected Versions
[2.1.10]