Liferay/Tomcat: Where do I put my own selection of spring-framework jars?

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Liferay/Tomcat: Where do I put my own selection of spring-framework jars? - Stack Overflow
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I want to program against the Spring Portlet MVC framework in liferay running under Tomcat. For each portlet, I can put the spring framework -jars in the WEB-INF/lib directory of that portlet. I prefer to not do this. Seems redundant to me. Instead, can I put the spring framework jars somewhere else to make a single selection of spring jars available to all my future portlets?

To my understanding, these locations are available, but which is "best"?

  • ROOT/WEB-INF/lib/ (this is the dir of the liferay core)
  • tomcat/lib/ext (default location for all web-apps)
  • docroot/WEB-INF/ext-lib/global (in ext folder of of the liferay SDK)
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    For Tomcat version of Liferay I would recommend to put the external libraries in tomcat/lib/ext

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      tomcat/lib/ext is the place to go.

      Also you should not touch ROOT/WEB-INF/lib directory. This is lib dir of LIferay which is different web application than your portlets.

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        Note that it is also possible to have multiple portlets in a single WAR. So if, for some reason, you do not want to add stuff to global libs, you can include all your portlets in a single WAR-file. This way you always have the necessary dependencies available, no matter what Liferay installation is running.

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          tomcatspring-mvcliferayportlet

          3 Answers

          1
          votes

          For Tomcat version of Liferay I would recommend to put the external libraries in tomcat/lib/ext

          1
          votes

          tomcat/lib/ext is the place to go.

          Also you should not touch ROOT/WEB-INF/lib directory. This is lib dir of LIferay which is different web application than your portlets.

          0
          votes

          Note that it is also possible to have multiple portlets in a single WAR. So if, for some reason, you do not want to add stuff to global libs, you can include all your portlets in a single WAR-file. This way you always have the necessary dependencies available, no matter what Liferay installation is running.