axis-ant/src/test/ant/axis2901/build.xml

<?xml version="1.0" ?>
<project>
  <target name="test">
    <mkdir dir="${project.build.directory}/work"/>
    <wsdl2java url="src/test/wsdl/axis2901/sample.wsdl"
               output="${project.build.directory}/work">
      <mapping namespace="http://sample.com/URI" package="test.wsdl.axis2901.service"/>
      <!-- This is essential: the issue occurs only if the two namespaces are mapped to the same package -->
      <mapping namespace="http://com.sample.MyDetails.xsd" package="test.wsdl.axis2901"/>
      <mapping namespace="http://com.sample.MyDetailsRequest.xsd" package="test.wsdl.axis2901"/>
    </wsdl2java>
  </target>
</project>