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Asked: 2026-06-11T00:45:38+00:00

I’m running an application with several different features, they are completely independent; the only

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I’m running an application with several different features, they are completely independent;
the only reason is i run them together is i run them on a small vps with limited memory;

I’m expecting:

  1. develop each module seperately

  2. combine them together into one application using some ant tasks;

for a ear file, we can combine several different war files into one, and they can run fine without impacting each other,
however, since I’m running a tomcat and do not want to involve heavy containers like jboss or so on, an ear file is not available;

is there a way that we can achieve this? such as we develop something standalone and then package them into a jar, put it into web-inf/lib and it will just work? thx.

the options i’ve used:

  1. develop them in one application, using different dir to seperate
    them
  2. develop them in many different applications and deploy them as
    different web applications in tomcat, but this one seems to load
    duplicate classes under web-inf/lib into memory, which is not a good
    option, while i do not like to putting them all to tomcat/lib…
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1 Answer

  1. Editorial Team

    You can do this using Maven (if you’re happy to use Maven instead of Ant), and the Cargo plugin for Maven. It has an ‘uberwar’ packaging format that allows multiple WAR files to be merged into a single combined WAR file. Details are available here:

    http://cargo.codehaus.org/Merging+WAR+files

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