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Editorial Team
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Asked: 2026-06-03T05:25:32+00:00

I would like to include all my .class from a dependency jar into WAR

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I would like to include all my .class from a dependency jar into WAR classes/ directory instead of having a Jar in lib/ directory.

I have : 

my-webapp/
  ...
  WEB-INF/
    lib/
      mylib-1.0-SNAPSHOT.jar

I would like :

my-webapp/
  ...
  WEB-INF/
    classes/
      mylib-1.0-SNAPSHOT (all **.class**)

I also see maven-dependency-plugin but it requires that my jar is installed into local or remote repository. But mylib-1.0-SNAPSHOT.jar is compiled juste before my WAR and if If I call mvn package, It’s fail !

So, how to unpack my jar dependency into war classes ? (like maven-shade-plugin for Jar)

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1 Answer

  1. Editorial Team

    I wanted to write this in a commnet, but text is too long.

    Sorry, I dont get your point. You have multiple webapps that share classes so you have packaged into a JAR those common classes and now you can distribute the jar and avoid code duplication. That is OK. At this point, for a Webapp, there is no difference between having a class in /WEB-INF/classes or in /WEB-INF/lib/ as part of a jar, the webapp can use the classes in both cases.

    With Maven, you should have n project. One for your common jar, and then, one for each webapp you have (where you common jar is a dependency). Before build a WAR for one of your webapp, if common classes have changed, you should first install (in your common repository) the jar: mvn install. Once jar is installed, you can build your WAR: mvn war:war

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