title: Liferay dxp 7.3: how to add third party jars for global sharing?
body: <p>how can add 3rd party jars for global sharing?</p>
  <p>in 6.1, it just need to add those jar files into tomcat's lib/ext folder. but after upgrade to 7.3, those jars seems not loading and cannot reference in portlets.</p>
  <p>please help!</p>
  <p>thx.</p>