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Editorial Team
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Asked: 2026-06-05T09:30:57+00:00

I have a project that only needs to take a proguard-constructed jar file, which

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I have a project that only needs to take a proguard-constructed jar file, which is built in a separate SBT project and contains all classes needed to run as a servlet, and create a war file out of it.

The dependency is properly packaged into the war, and the transitive jars are excluded correctly using notTransitive(), but scala-library.jar continues to be placed into the war file as well. This is not desired, since the proguard-built jar contains those scala classes that are necessary for the servlet filter to run. The present project just needs to take that dependent jar, add a web.xml, and package it into a war file.

What is the simplest way (preferably using a build.sbt file) to get the war packaging mechanism from the xsbt-web-plugin to exclude the scala-library.jar?

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1 Answer

  1. Editorial Team

    This should work, it .sbt:

    autoScalaLibrary := false
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