stop the node with ant

    <target name="run">
         <exec executable="sh" 
                          failifexecutionfails="true"
                             failonerror="true"
                              dir="${testnode.dir}">
                 <arg value="run.sh"/>
                 <arg value="start"/>
            </exec>
 </target>

        <!-- stop -->
   <target name="stop">
                <exec executable="sh" 
                          failifexecutionfails="true"
                             failonerror="true"
                              dir="${testnode.dir}">
                 <arg value="run.sh"/>
                 <arg value="stop"/>
             </exec>
 </target>