1.   Set Environment variable JAVA_HOME to location of JDK:

    C:\Program Files (x86)\Java\jdk1.8.0_144

    If you do not have a JDK installed, download here: http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

  2. Download Axis2 - https://axis.apache.org/axis2/java/core/tools/index.html and Download binary distribution of Axis2

  3. Open SOAPUI

  4. Go to Tool, Axis2 Artifacts

  5. Enter WSDL address and output directory.  Change bindings to ADB, Check Async, Server side code, interface for server side, generate service description (See bottom of article for attached WSDL)

  6. Click on Tools and Enter location of main Axis file in the Axis2 field