My .packages file

<?xml version="1.0" encoding="UTF-8"?>

<packages>
   <package name="TopLevel.jar" type="jar" exploded="false" inWorkspace="true">
      <package name="MiddleTier.jar" type="jar" exploded="false" inWorkspace="true">
         <properties></properties>
      </package>
      <properties></properties>
   </package>
   <package name="MiddleTier.jar" type="jar" exploded="false" inWorkspace="true">
      <properties></properties>
   </package>
   <package name="Deep.jar" type="jar" exploded="false" inWorkspace="true">
      <properties></properties>
   </package>
   <properties></properties>
</packages>