<host id="test.com" root-directory=".">

             <host-alias>test.com</host-alias>

             <web-app id="/" root-directory="D:\test_space\maven-demo\target\maven-demo">

                 <class-loader>

                     <compiling-loader path="D:\test_space\maven-demo\target\classes" />

                     <library-loader path="WEB-INF/lib" />

                 </class-loader>

             </web-app>

     </host>